LCD数字式温度湿度测量计(定稿)
AcuRite 02059 无线显示室内温度湿度计用户手册说明书

CONTENTSUnpacking Instructions ........... 2 Package Contents .................. 2 Product Registration ............... 2 Features & Benefits: Sensor ..... 2 Features & Benefits: Display .... 3 Setup .................................... 4 Sensor Setup ......................... 4 Display Setup ........................ 5 Set Time & Units (6)Placement Guidelines (7)Using the Thermometer........... 8 Troubleshooting ..................... 9 Care & Maintenance.............10 Specifications ........................10 FCC Information ...................10 Customer Support .................11 Warranty (11)Questions? Contact Customer Support at(877) 221-1252 or visit www.AcuRite .com.Congratulations on your new AcuRite product. To ensure the best possible product performance, please read this manual in its entirety and retain it for future reference.Unpacking InstructionsRemove the protective film that is applied to the LCD screen prior to using this product. Locate the tab and peel off to remove.Package Contents1. Display with tabletop stand2. Wireless Sensor3. Instruction ManualFeatures & Benefits1 23 45WIRELESS SENSOR1. Integrated Hanger For easy placement.2. Wireless Signal Indicator Flashes when data is being sent to the display.3. Battery Compartment4. A-B-C Switch ID code that identifies the sensor on the display.5. Battery Compartment CoverSET13Features & BenefitsDISPLAY FRONTDISPLAY BACKpmDISPLAY FRONT1. being viewed.2.(see page 8).3. being viewed.4. Clock5. Current Display Temperature6. Display Low Battery Indicator7. Sensor Low Battery Indicator8. Sensor Signal Strength9. Sensor Indicator10. Current Sensor Temperature For selected sensor (#9).1817 16 1514 12DISPLAY BACK11.Battery Compartment Cover 12. Display Stand 13. Battery Compartment 14. °F/°C Switch Press to select temperature units. 15. ▼ Button For setup preferences and viewing records.16. SET Button For setup preferences.17. ▲Button For setup preferences and viewing records.18. Integrated Hang Hole For easy wall mounting.1 2 3 4 1Sensor Setup1 Set the A-B-C SwitchThe A-B-C switch is located inside the battery compartment. It can be set to A, B or C. However, you must select different letter choices for each of the sensors if you are synchronizing more than one. 2 Install or Replace BatteriesAcuRite recommends high quality alkaline or lithium batteries for the best product performance. Heavy duty or rechargeable batteries are not recommended. The sensor requires lithium batteries in low temperature conditions. Cold temperatures can cause alkaline batteries to function improperly. Use lithium batteries in the sensor for temperatures below -4ºF / -20ºC.1. Slide off the battery compartment cover. Take note of the A-B-C switch setting inside the battery compartment.2. Insert 2 x AA batteries into the battery compartment, as shown. Follow the polarity (+/-) diagram in the battery compartment.3. Replace the battery cover.4. Repeat steps 1-3 to setup additional sensors (if applicable; sold separately).NOTE:The A-B-C switch positions must differ between each sensor. Verify that each sensor has a different channel selected bychecking the switch position in the battery compartment.A B C1A-B-C SwitchDisplay SetupInstall or Replace Batteries1. Remove the battery compartment cover.2. Insert 3 x AAA alkaline batteries into the battery compartment, as shown. Follow the polarity (+/-) diagram in the battery compartment.3. Replace the battery cover.SETInstall Batteriesbatteries properly. Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteries in fre, as batteries may explode or leak. DO NOT mix old and new batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOT recharge non-rechargeable batteries. DO NOT short-circuit the supply terminals.Set the Time & UnitsPress and hold the “SET” button, located on the back of the display, to enter SET MODE. Once in set mode, the preference you are currently setting will blink on the display.To adjust the currently selected (flashing) item, press and release the “▲” or “▼“ buttons (press and HOLD to fast adjust).To save your adjustments, press and release the “SET” button again to adjust the next preference. The preference set order is as follows:CLOCK HOURCLOCK MINUTETEMPERATURE UNITS (ºF or ºC)**You may also select between degrees Fahrenheit (°F) or Celsius (°C) temperature units after setup by pressing and releasing the °F/°C button, located inside the battery compartment.You will automatically exit SET MODE if no buttons are pressed for 8 seconds. Enter setup mode at any time by pressing and holding the “SET” button.Expand the SystemThe display features built-in sensors for measuring temperature at its location. The display can be expanded to track additional areas by using compatible Temperature Sensors (optional; sold separately). Add up to 3 indoor/outdoor sensors to observe conditions in additional locations within 330 ft (100 m). Compatible Sensors are available at: Placement for Maximum AccuracyAcuRite sensors are sensitive to surrounding environmental conditions. Proper placement of both the display and wireless sensor are critical to the accuracy and performance of this product.Sensor is water resistant and is designed for indoor or outdooruse, however, to extend its life place the sensor in an areaprotected from direct weather elements. The sensor may also beplaced indoors to measure environmental conditions.Hang the sensor using the integrated hang holes or hanger, orby using string (not included) to hang it from a suitable location,like a well covered tree branch. The best location is 4 to 8 feetabove the ground with permanent shade and plenty of fresh airto circulate around the sensor.Important Placement Guidelines•To ensure accurate temperature measurement, place units out of direct sunlight and away from heat sources or vents.•Display and wireless sensor must be within 330 ft (100 m) of each other. •To maximize wireless range, place units away from large metallic items, thick walls, metal surfaces, or other objects that may limit wireless communication.•To prevent wireless interference, place both units at least 3 ft (.9 m) away from electronic devices (TV, computer, microwave, radio, etc.)Setup is CompleteThe sensor(s) will now synchronize with the display. It may take a few minutes for synchronization to complete. Please refer to the troubleshooting section of this manual if anything appears to be functioning improperly.Using the ThermometerHigh & Low RecordsToday’s high and low temperatures are recorded for both the display and the wireless sensor(s). Today’s records automatically clear at 12:00am midnight every day.▲” button▲” or “▼“ buttons to cycle through the high records for each wireless sensor.▼“ button▲” or “▼“ buttons to cycle through the low records for each wireless sensor.View Temperature ReadingsThe thermometer displays the current temperature readings for both the display and the wireless sensor(s).If the thermometer is being used with more than one wireless sensor, toggle between each sensor’s readings by pressing and releasing the “▲” or “▼“ buttons on the back of the display.In auto-cycle mode, the display will automatically cycle through the data available for each wireless sensor. Auto-cycle mode can be activated by▲” or “▼“ buttons on the back of the display untilThe Sensor Indicator is used to determine which sensor readings you are viewing. For example, if the Sensor Indicator is displaying “A”, the readings are being transmitted from the sensor with the A-B-C switch set to “A.”TroubleshootingIf your AcuRite product does not operate properly after trying the troubleshooting steps, visit or call(877) 221-1252 for assistance.Care & MaintenanceDisplay CareClean with a soft, damp cloth. Do not use caustic cleaners or abrasives. Keep away from dust, dirt and moisture. Clean ventilation ports regularly with a gentle puff of air.Wireless Sensor CareClean with a soft damp cloth. Do not use caustic cleaners or abrasives. SpecificationsTEMPERATURE RANGE Sensor: -40ºF to 158ºF; -40ºC to 70ºCDisplay: 32ºF to 122ºF; 0ºC to 50ºCWIRELESS RANGE 330 ft / 100m depending on home construction materials WIRELESS FREQUENCY 433 MHzPOWER Display: 3 x AAA alkaline batteriesSensor: 2 x AA alkaline or lithium batteriesDATA REPORTING Sensor Data: 16 secondsDisplay Data: 60 secondsFCC InformationThis device complies with part 15 of FCC rules. Operation is subject to the following two conditions:1- This device may NOT cause harmful interference, and2- This device must accept any interference received, including interference that may cause undesired operation. WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equip-ment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and the receiver.• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.NOTE: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user authority to operate the equipment.This device complies with Industry Canada licence-exempt RSS standard(s).Operation is subject to the following two conditions:(1) This device may not cause interference, and(2) This device must accept any interference received, including interference that may cause undesired operation of the device.Customer Support AcuRite customer support is committed to providing you with best-in-class service. For assistance , please have the model number of this product available and contact us in any of the following ways: (877) 221-1252Visit us at www.AcuRite .com► Installation Videos► Register your Product ► Instruction Manuals► Support User Forum ► Replacement Parts ► Submit Feedback & IdeasLimited One Year Warranty At AcuRite, we proudly uphold our commitment to quality technology. Chaney Instrument Co. warrants that all products it manufactures to be of good material and workmanship, and to be free of defects when properly installed and operated for a period of one year from the date of purchase. We recommend that you visit us at for the fastest way to register your product. However, product registration does not eliminate the need to retain your original proof of purchase in order to obtain warranty benefits. Chaney Instrument Co. warrants that all products it manufactures to be of good material and workmanship, and to be free of defects when properly installed and operated for a period of one year from the date of purchase. Remedy for breach of this warranty is limited to repair or replacement of the defective item(s). Any product which, under normal use and service, is proven to breach the warranty contained herein within ONE YEAR from date of sale will, upon examination by Chaney, and at its sole option, be repaired or replaced by Chaney. Transportation costs and charges for returned goods shall be paid for by the purchaser. Chaney hereby disclaims all responsibility for such transportation costs and charges. Thiswarranty will not be breached, and Chaney will give no credit for products it manufactures which have received normal wear and tear, been damaged (including by acts of nature), tampered, abused, improperly installed, damaged in shipping, or repaired or altered by others than authorized representatives of Chaney. The above-described warranty is expressly in lieu of all other warranties, express or implied, and all other warranties are hereby expressly disclaimed, including without limitation the implied warranty of merchantability and the implied warranty of fitness for a particular purpose. Chaney expressly disclaims all liability for special, consequential or incidental damages, whether arising in tort or by contract from any breach of this warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. Chaney further disclaims all liability from personal injury relating to its products to the extent permitted by law. By acceptance of any of Chaney’s products, the purchaser assumes all liability for the consequences arising from their use or misuse. No person, firm or corporation is authorized to assume for Chaney any other liability in connection with the sale of its products. Furthermore, no person, firm or corporation is authorized to modify or waive the terms of this paragraph, and the preceding paragraph, unless done in writing and signed by a duly authorized agent of Chaney. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. For in-warranty claims:Chaney Instrument Co. 965 Wells St., Lake Geneva, WI 53147 11Weather Temperature Weather Kitchen Clocks Stations & Humidity Alert Radio Thermometers& TimersIt’s more than accurate, it’sAcuRite offers an extensive assortment of precision instruments, designed to provide you with information you can depend on toPlan your day with confidence™.©Chaney Instrument Co. All rights reserved. AcuRite is a registered trademarkof the Chaney Instrument Co., Lake Geneva, WI 53147. All other trademarks and Printed in China copyrights are the property of their respective owners. AcuRite uses patented 02059M INST 011216 technology. Visit /patents for details.。
VA8010 温湿度露点温度测试仪 说明书

温湿度露点温度测试仪 VA8010一. 简介本仪表是绍兴中仪电子有限公司采用高精度微处理器的智能数字式温湿度计,用于测量办公室、仓库、温室等地方的温湿度。
使用注意事项1.请勿用手直接碰触湿度感测器。
2.不要在阳光直射、高温、高潮湿的情况下长期储存或使用仪表。
3.使用时请勿将强光直接照在感测器上,以免读数误差。
二. 技术指标1. 显示方式:四位数字液晶显示2. 参数:℃,℉,%RH (相对湿度),td (露点) 3. 分辨率:0.1℃,0.1℉,0.1%RH4. 量程:-10 ~ +50℃,(+14 ~ +122℉), 0 ~ +100%RH5. 精度:±1.0℃,(±1.8℉),±4%RH (5~95%RH )6. 采样率: 2次/秒7. 操作环境:-10 ~ +50℃,(+14 ~ +122℉) 8. 存储环境:-20 ~ +60℃,(-4 ~ +140℉)h tt p://www.yb s e ll .co m三. 部件名称3.1 仪表面板1.保护罩 2. 温湿度传感器3. LCD 显示窗4. 功能按键3.2 液晶显示器液晶显示器如上图,各符号含义如下:1. 数据保持指示2. 背景光指示3. 读数显示4. 读数显示5. 最大/最小值显示6. 湿度单位7. 温度单位8. 电池电量不足指示 四. 快速操作说明*注意:为确保测量读数的准确性,一切可能影响测量结果的干扰源(如手)必须远离传感器。
1.按下ON/OFF 键开机,进入测量模式。
开机完毕后会显示当前的温湿度值,默认湿度/温度单位为%RH/℃。
h tt p://www.yb se ll .co m2. 按下Unit 按键可以更改温湿度单位,可设置%RH(相对湿度)、td (露点温度)、℃、℉;按下Mode 键可以切换最大/最小值。
3.读数锁定及屏幕背景光开机状态下,短按 键,读数被锁定,再次短按此键,恢复测量状态;长按 键2秒时,视窗会出现 符号,背光灯被打开,再长按此键2秒,背光灯被关闭。
湿度温度仪产品说明书

Hu-21RH200 Series Starts at$560RH200A with integral humidity/temperature sensor, $560, shown smaller than actual size.Handheld RH/Temperature MeterWith Remote or Integral ProbeߜLarge LCD Display Shows Simultaneous Readings of Either Relative Humidity or Calculated Dew Point Temperature and Ambient Temperature ߜDew Point Calculation from Measured Temperature and Humidity Values—Essential for Controlled EnvironmentsߜData Hold of Current, Max, and Min Readings ߜC and °F Switchable ߜSelectable AutoPower-Off to Prolong Battery Life ߜNEMA 6 (IP67)Protection Against Dust and Water ߜSealed Soft-Touch Keypads and Easy Access to Battery CompartmentRH201A with external humidity/temperature sensor,$750, shown smallerthan actual size.The portable, rugged RH200A/201A hygrometer/thermometers accurately measure relative humidity and temperature,displaying the reading on a large LCD. Applications include heating,ventilation, air conditioning and refrigeration, food production and processing, and building management from hotels to art galleries and museums.The RH201A has a removable temperature and humidity sensor that allows the user to take readings whenever needed. The humidity component of this sensor is capacitive, resulting in quicker readings; the temperaturethermistor component improves accuracy. The sensor plugs into the base unit via a specially designed 8-way lumberg connector. The RH201A comes with a fitted carrying case.The RH200A’s temperature/humidity sensor is built-in—for quick and convenient checks.† Refer to page Hu-22 for NIST calibration ordering information.Hu-22Ordering Examples: RH201A, hygrometer/thermometer with remote probe and carrying case, CAL-3-HU,NIST-traceable calibration,$750 + 135 = $885.RH200A, hygrometer/thermometer with integral probe, RCC-200A,hard carrying case, RH200-RB,protective rubber boot with wrist strap, $560 + 42 + 16 = $618.RH200A, $560,shown smaller than actual size.RH201A, $750,shown smaller than actual size.SpecificationsSensors:Humidity: HC 1000 capacitive sensor Temperature: 10K thermistor sensorMeasurement RangeHumidity: 0 to 100% RHTemperature: -20 to 60°C (-4 to 140°F)Scales: RH, °C, °F, DP Resolution:Humidity: 0.1% RH Temperature: 0.1°Accuracy:Humidity: 0 to 90% RH: ±2% RH;90 to 100% RH: ±3% RHTemperature: ±0.5°C (±0.9°F)Environmental Protection: IP67, BS5490, IEC529Operating Temperature Range: -20 to 60°C (-4 to 140°F)Response Time: 2 minutes in moving airBattery Type: 2 “AA” alkaline (included)Battery Life (Continuous):RH201A: 250-hr RH200A: 300-hr Dimensions:RH200A/RH201A:68/79 W x 183 L x 31 mm D (2.68/3.11 x 7.2 x 1.22")RH201A-RP (Sensor):200 L x 23 mm Dia. (7.8 x 0.92")Weight:RH200A and RH201A: 270 g (9.5 oz)RH201A-RP: 126 g (4.4 oz)CANADA www.omega.ca Laval(Quebec) 1-800-TC-OMEGA UNITED KINGDOM www. Manchester, England0800-488-488GERMANY www.omega.deDeckenpfronn, Germany************FRANCE www.omega.frGuyancourt, France088-466-342BENELUX www.omega.nl Amstelveen, NL 0800-099-33-44UNITED STATES 1-800-TC-OMEGA Stamford, CT.CZECH REPUBLIC www.omegaeng.cz Karviná, Czech Republic596-311-899TemperatureCalibrators, Connectors, General Test and MeasurementInstruments, Glass Bulb Thermometers, Handheld Instruments for Temperature Measurement, Ice Point References,Indicating Labels, Crayons, Cements and Lacquers, Infrared Temperature Measurement Instruments, Recorders Relative Humidity Measurement Instruments, RTD Probes, Elements and Assemblies, Temperature & Process Meters, Timers and Counters, Temperature and Process Controllers and Power Switching Devices, Thermistor Elements, Probes andAssemblies,Thermocouples Thermowells and Head and Well Assemblies, Transmitters, WirePressure, Strain and ForceDisplacement Transducers, Dynamic Measurement Force Sensors, Instrumentation for Pressure and Strain Measurements, Load Cells, Pressure Gauges, PressureReference Section, Pressure Switches, Pressure Transducers, Proximity Transducers, Regulators,Strain Gages, Torque Transducers, ValvespH and ConductivityConductivity Instrumentation, Dissolved OxygenInstrumentation, Environmental Instrumentation, pH Electrodes and Instruments, Water and Soil Analysis InstrumentationHeatersBand Heaters, Cartridge Heaters, Circulation Heaters, Comfort Heaters, Controllers, Meters and SwitchingDevices, Flexible Heaters, General Test and Measurement Instruments, Heater Hook-up Wire, Heating Cable Systems, Immersion Heaters, Process Air and Duct, Heaters, Radiant Heaters, Strip Heaters, Tubular HeatersFlow and LevelAir Velocity Indicators, Doppler Flowmeters, LevelMeasurement, Magnetic Flowmeters, Mass Flowmeters,Pitot Tubes, Pumps, Rotameters, Turbine and Paddle Wheel Flowmeters, Ultrasonic Flowmeters, Valves, Variable Area Flowmeters, Vortex Shedding FlowmetersData AcquisitionAuto-Dialers and Alarm Monitoring Systems, Communication Products and Converters, Data Acquisition and Analysis Software, Data LoggersPlug-in Cards, Signal Conditioners, USB, RS232, RS485 and Parallel Port Data Acquisition Systems, Wireless Transmitters and Receivers。
电子温度计说明书

电子温度计说明书 IMB standardization office【IMB 5AB- IMBK 08- IMB 2C】详细资料详细资料数字显示干湿温度计,数字干湿温度计,电子干湿温度计,数显干湿温度计,液晶显示干湿温度计,大屏幕干温计大屏幕电子温度计_大屏幕电子温度计批发_大屏幕电子温度计价格_HTC-1大屏幕显示温湿度计数字显示干湿温度计价格,数字干湿温度计价格,电子干湿温度计价格,数显干湿温度计价格?婴儿房温度计价格,婴儿房用数字显示温度计价格,婴儿房用数字显示温湿度计,儿童房数字温湿度计表价格婴儿房温度表,婴儿房温度计,婴儿房用数字显示温度计,婴儿房用数字显示温湿度计,儿童房数字温湿度计表产品规格:温度测量范围:-50℃~+70℃(-58℉~+158℉)温度测量精度:±1℃(℉)温度分辨率:℃(℉)温度测量范围:20%RH~99%RH湿度测量精度:±5%RH温度分辨率:1%使用电池:AAA?(低功耗)产品尺寸:100*108*20mm产品质量:160g基本功能:1、温度/湿度显示2、℃/℉温度切换显示3、/最低温度记忆功能4、12/24小时制时钟5、整点报时功能6、每日闹钟功能6、日历显示功能具体操作方法:1、依机背指示方向推开电池门,取出电池隔片,然后装回电池门,该机即可用。
2、按键功能:(MODE)切换时钟与闹钟显示模式/设定当前时间、闹钟、12或24小时制、日期(ADJ)调整被设项目的数值;(MEMORY)显示记忆中的/最低温湿度值/清除记忆的/最低温湿度值;(℃/oF)切换温度单位以℃(摄氏度)或oF(华氏度)显示;(RESET)清除所有设定/记忆值,返回初始状态。
3、在初始状态下按住(MODE)1秒,当前时间的分钟数开始闪动,按(ADJ)可以调节分钟数,连续按(MODE)可以分别设定“时钟”、“12/24”、“月(M)”、“日(D)”4、在当前时钟模式下,(时钟与分钟之间的两点每秒闪动一次)切换显示为闹钟模式(时钟与分钟之间的两点不闪动),此时按(ADJ)可以切换“闹钟”(Alarm)功能/“整点报时”()功能的开与关,再按住(MODE)2秒,可以设定闹铃时间,同时启动“整点极时”功能,()符号出现。
数字温湿度计MP780117说明书

Digital Temperature and Humidity Meter Model No. MP780117IMPORTANT SAFETY INFORMATIONRead all instructions before using the appliance and retain for future reference.• Please follow all safety operation instructions.• Children should be supervised to ensure that they do not play with the product.• Do not use the monitor if the casing is damaged or there is any anomaly that may impair it’s function.• Do not use the product for any purpose other than that for which it is designed.• Do not operate the product around explosive gas, vapour, or dust.• Do not operate or store in an environment of high humidity or where moisture may enter the product.• Turn the meter off when not in use to save the battery.• Remove the battery if the monitor is not to be used for long periods.• Replace the battery as soon as the low battery warning appears on the display to avoid possible incorrect readings.WHAT’S INCLUDED• Temperature and Humidity monitor• Instruction manual• Probe and test lead• BatteriesPRODUCT OVERVIEW1. Maximum value2. Minimum value3. Data hold4. Low battery warning5. Relative humidity6. Fahrenheit ident7. Centigrade ident8. Temperature value9. Auto power off10. Humidity value1. Sensor2. Test lead handle3. LCD screen4. Function key5. Probe holder• Clean the casing using a moist cloth and mild detergent. Do not use any form of solvents.• There are no user serviceable parts inside.•When the low battery symbol displays on the LCD, replace the three AAA batteries in the back of the meter to avoid any inaccuracies in readings taken.OPERATIONMAINTENANCE Power button• Press and hold the power button to turn the meter on.• • Press and hold the power button to enable or disable auto power off function.oC/o F button• Short press to switch between temperature units o C or o F.Mode button• Short press to switch between max, min and normal value recorded. HOLD button• Short press to enable or disable the data hold function.• Press and hold to turn on or off the LCD backlight feature.Function DescriptionUnit switch Selectable temperature unit Extreme value Maximum/Minimum value Data hold HOLD symbol is displayedOverload alarm When the humidity exceeds 100%RH 100%RH is displayed. When the temperature exceeds 60o C OL is displayed. When the temperature is below 20o C -OL is displayed Backlight LCD Backlight on/off functionAuto power off The meter will turn the power off if not operated for approx 5 minutesSampling range Once per second Drop test 1mBattery 1.5V 3 x AAAEnvironment Indoor 0o C~40o C (<90%RH)Storage Indoor -20o C~60o C (<75%RH)Altitude 2000m Pollution grade 2INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF ELECTRICAL & ELECTRONIC EQUIPMENT.These symbols indicate that separate collection of Waste Electrical and Electronic Equipment (WEEE) or waste batteries is required. Do not dispose of these items with general household waste. Separate for the treatment, recovery and recycling of the materials used. Waste batteries can be returned to any waste battery recycling point which are provided by most battery retailers. Contact your local authority for details of the battery and WEEE recycling schemes available inyour area.Made in China. LS12 2QQMan Rev 1.0SPECIFICATION Function Range Resolution AccuracyNote Humidity 0~100.0%RH 0.1%RH 20~80%RH ±5%RH Other ±8%RH Ambient TemperatureTemperature-10~60o C 0.1o C ±1.0o C 14~140o F0.2o F±2.0o C。
湿度(327k)

概述通常湿度的测量和记录都是采用人的毛发做为测量部件但是随着对传感器反应时间要求的提高以及湿度快速变化或者在25%的湿度条件以下-10温度测量条件的大量的出现极力推荐使用我们特别设计的的测量传感器PERNIX如果你希望订购PERNIX的设备请特别指明订购需额外价钱湿度计的显示表盘由镀铝材料制白底黑字PERNIX测量部件对我们的194~202和235E250无效194 订购号00.01940.100 000圆形湿度表适合与桌面和墙挂使用钩或钉住技术数据测量范围 5~100%RH, 2%的刻度精度 2.5%RH(定期校准)工作温度-60~70尺寸 102mm,35mm D重量 0.300Kg外表天蓝色暗色镀铬外壳198 订购号00.01980.100 000温湿度表由毛细管温度传感器组成的湿度指示器由于结合了这种功能你同时可以得到相对和绝对湿度也能得到温度和露点温度技术数据测量范围 5~100%RH-25~40尺寸 133mm,46mm D重量 0.500Kg精度 2.5%RH(定期校准)1K外表天蓝色暗灰色镀铬外壳201a 订购号00.02011.100 000这种湿度计可以作为多功能测量设备由测量以%为单位的相对湿度为单位的温度和以hPa为单位的饱和压力辅件用于仪器重新标订带泡沫入口的透明箔袋技术数据测量范围5~100%RH-30~50精度 2.5%RH(定期校准) 1.0K(<0),0.7K(>0)尺寸 81mm; 242mmH; 28mm D重量0.400Kg外表天蓝色暗灰色镀铬外壳201a 订购号00.02020.100 000 Lambrech Polymeter,这种温湿度表一体化仪表允许读出相对湿度绝对湿度温度露点温度饱和压力水蒸汽压力以及不饱和度PERNIX型号无效辅件技术数据测量范围5~100%RH0.1~80g/m³绝对湿度-30~50精度 2.5%RH(定期校准) 1.0K(<0),0.7K(>0)尺寸 81mm; 242mmH; 28mm D重量0.4Kg外表天蓝色暗灰色镀铬外壳204 订购号33.02020.008 000用于201a和202型号的单独配件湿度计重量 0.050Kg220F 50P 订购号00.02202.205 000杆型湿度计带PERNIX测量部件用于测量空气湿度和吸湿性材料的含水量绝对轻制金属制造带手柄防摔坏玻璃树脂视窗技术数据测量范围5~100%RH刻度2%RH精度 2.5%RH(定期校准)工作温度-60~70尺寸 118mm; 480mmL; 杆19X8mm重量0.600Kg外层天蓝色暗灰色金属杆末梢为黑色235E 250 订购号00.02350.125 000带支架的湿度计特别适合使用在不易到达的地方表面安装技术数据测量范围5~100%RH刻度2%RH精度 2.5%RH(定期校准)工作温度-60~70尺寸 120mm 法兰;共 280mm H重量0.400Kg外层天蓝色镀铬外环235 E125 订购号00.02350.112 500带支架的湿度计如同235E250,但是深度为125mm技术数据尺寸120mm 法兰;共155 mm H重量 0.300Kg空气湿度传感器800系列这些传感器被装配在我们的 PERNIX系列产品上既带本地显示也可用于在线测量电缆末梢带护套辅件1个回形针和一个六角罗冒 R 1”主要技术数据测量范围5~100%RH刻度1%RH精度 2.5%RH(定期校准)工作温度-60~70最大电流 60mA(~0.5W)尺寸共395 mm H(帽子105mm;80mmD)重量 1.500Kg外层天蓝色暗灰色镀铬外壳800 N 30 订购号00.08000.202.030技术参数电阻 50-30-50 Ohm,对数800 L0-100 订购号00.08000.201.010电阻 0-100 Ohm,线性800 MU 订购号00.08000.206 0?2 空气湿度传感器带电阻/电流转换器有两种不同的型号输出 0~20mA(0~100%RH) 订购号00.08000.206 0024~20mA(0~100%RH) 订购号00.08000.206 042详细技术数据电阻0-100 Ohm,线性工作温度范围 -30~70输出0(4)~20mA(0~100%RH),负载500 ohm工作电压24VDC,10%重量 1.600Kg空气温湿度传感器传感器 809被装备到PERNIX传感器和铂探头上现场湿度显示内置电子器件用于温湿度在线测量在设备顶部有电缆接头接头带护套(Pg16)主要技术数据湿度测量范围 5~100%RH精度 2.5%RH温度测量范围-60~70精度0.3K(0)其它工作温度范围-60~70最大电流60mA(电阻输出)10mA(温度输出)尺寸共395 mm H(帽子105mm;80mmD)重量 1.5Kg外壳天蓝色暗灰色镀铬外壳809 L100订购号00.08090.231 515详细技术参数电阻输出5-100-5 ohm,线性809L 0-100 订购号00.08090.231 010详细技术参数电阻0-100 ohm,线性809MU 订购号00.08090.266 0?2带2个R-I转换器2个不同的型号都有效输出 0~20mA(0~100%RH) 订购号00.08090.266 1024~20mA(0~100%RH) 订购号00.08090.266 142主要技术数据电阻 0-100 ohm,线性精度 2.5%RH温度0.3K工作温度范围-30~70输出0(4)~20mA(~0~100%RH和-30~40)最大负载500 ohm工作电压24VDC10%重量 1.7Kg电气传感器8091经济型订购号00.08091.000 000一体化温湿度传感器她的精巧和可靠的设计使得她同时适合使用在工业和气象应用技术数据湿度测量元器件电容测量范围 0~100%RH精度2%RH输出模拟信号0~1VDC阻抗>2000 ohm温度测量元器件 PT100测量范围-20~80精度0.1K输出0~1V其它工作温度范围-20~80工作电压10~30VDC,10%功耗大约0.8mA重量0.4Kg8092 订购号00.08092.130 402 精密的相对湿度和空气温度传感器可以高质量的使用在工业和气象场合7芯电缆对外连接湿度测量元器件电容测量范围 0~100%RH精度1%RH(5~95%RH)2%RH其它输出模拟信号0~1VDC阻抗>1000 ohm温度测量元器件 PT100测量范围-40~60精度0.3K输出 PT100其它工作电压10~30VDC,10%功耗最大2.5mA重量0.4Kg连接电缆适合传感器00.08092.130 420,包括插入式接头(母头)长度 3.3m辅件814 订购号00.08140.000 000传感器防护罩保护传感器不受日照和雨淋适合用于空气湿度传感器800和空气温湿度传感器809技术数据尺寸 170mmФ;440mmH安装方式直接安装到22mm的杆上重量 1.7Kg漆层镀铝防水海洋色8141经济型订购号00.08141.?00 000传感器防护罩保护传感器不受日照和雨淋适合用于直径小于25mm的传感器技术数据尺寸 120mmФ;160mmH重量0.6Kg漆层白色防紫外线和挤压的塑料请选择防护罩8141经济型(M1) 订购号00.08141.000 000带固定螺纹8141经济型(M2) 订购号00.08141.100 000带固定螺纹和接头32.08141.001 000适合传感器00.08281.xxx xxx8141, 经济型(M3) 订购号00.08141.300 000使用保护盒子替代了固定螺纹适合传感器00.08092.130 xxx815保护管由镀镍的铜制造成当风速超过6m/s时或者在空气极度污染的场合使用适合传感器800和809使用重量0.070Kg.干湿球湿度计706 订购号00.0706.000 0?0标准干湿球湿度计设计用于安装到设备内部RH的测量由垂直安放的水银温度计带弹簧吸出器决定温度和温度得出的参数由水平的水银温度计决定配带我们的干湿球表格771b一个吸湿管0.5m长的毛细管和两个塞子这种干湿球温湿度计仅仅在0.2刻度时有效最大/最小温度计请选择0.5K刻度订购号:00.07060.000 0200.2K刻度订购号:00.07060.000 050技术数据(706型号)干湿球温度计-30~5015mmФ;370mmL;0.06Kg最小/最大温度:刻度 0.5K,-40~40;15mmФ;290mmL;0.05Kg刻度 0.2K,-40~40;15mmФ;290mmL;0.06Kg尺寸600mmH,200mmW重量 2.4Kg漆层白色金属支架706H 订购号00.07061.000 0?0标准干湿球温湿度计如同706除了不带三角架这种这种干湿球温湿度计仅仅在0.2刻度时有效0.5K刻度订购号:00.07061.000 0200.2K刻度订购号:00.07061.000 050706a 订购号32.07060.006 050干湿球温湿度计的部件刻度 0.5K,-30~50;15mmФ;370mmL;0.06Kg1052a-1/2K 订购号32.10520.001 020最大温度计的部件刻度 0.5K,-30~50;15mmФ;370mmL;0.06Kg1052a-1/5K订购号32.10520.001 050最大温度计的部件刻度 0.5K,-30~50;15mmФ;370mmL;0.06Kg1052b-1/2K 订购号32.10520.002 020最大温度计的部件刻度 0.5K,-30~50;15mmФ;370mmL;0.06Kg1052b-1/5K 订购号32.10520.002 050最大温度计的部件刻度 0.5K,-30~50;15mmФ;370mmL;0.06Kg707 订购号32.07060.009 000最大温度计的部件重量0.600Kg740 订购号00.07400.009 000带折叠柄的可旋转干湿球温湿度计根据需要进行温湿度测量温度计容器也可作为防辐射保护配带我们的干湿球表格771b一个吸湿管0.5m长的毛细管和两个塞子技术数据温度范围 -10~60刻度 0.2K, -30~40刻度 0.2K精度0.2K尺寸305X60X20mm(HXWXD)重量 0.600Kg740a 订购号32.07400.003010用于740型号的温度计0.2K刻度741 订购号50.07400.004 000用于740的皮制包761 订购号00.07610.000 0?0渴式干湿度计简易型用于湿度和温度定义的标准设备根据DIN58661 标准制作的精密水银温度计适合与调整其它的温度和湿度产品双壁设计减少辐射影响两个温度计都必须在由吸尘器产生的2m/s的风速的空气流通下工作辅件带湿气的容器安装螺纹线性发条0.5m的毛细管参数校验证书干湿表771b塑料箱子需要另外订购请选择-5~600.2刻度订购号00.07610.000 010-30~400.2刻度订购号00.07610.000 020技术数据精度0.2K在测量范围的最大误差0.2K在任何10的范围内的最大误差0.1K尺寸90mm,420mmH,箱子420x285x100mm(LXWXH)重量设备 1.2公斤辅件 1Kg漆层白色吸出器镀铬管761a 订购号32.07610.003 010单独温度计761a 订购号32.07610.003 020单独温度计761,官方认证订购号00.07610.000 0?2渴型干湿度湿度计就如761型只是增加了官方认证证书请选择你需要的测量范围:-5~600.2刻度订购号00.07610.000 012-30~400.2刻度订购号00.07610.000 022761a官方认证订购号32.07610.003 012单独温度计,用于00.07610.000 012,-5~60761a官方认证订购号32.07610.003 022单独温度计, 用于00.07610.000 022,-30~40761e订购号32.07610.020 000手持式推荐用于移动测量用于固定测量的干湿球湿度计819 订购号00.8190.000 000干湿球湿度计特别用于户外使用空气湿度测量通过2个倾斜的铂电极这两个铂电极必须被保护不受辐射连续的气流必须从相反的方向连续通过防止外界影响技术参数测量范围依赖于外接的显示器/记录器/转换器精度0.1K在0时工作温度范围0以上供电230V AC;50Ha,160mA水柜容量150cm³重量 1.9Kg干湿度湿度表和便携计算器用测量值并且套用公式计算湿度值需要大量的时间因此图形或者数字干湿球湿度表被经常使用渴氏干湿球计算表德国气象服务编辑德国Friedrich Vieweg, Brauschweig出版我们的每个干湿球湿度都是由图形干湿球表提供在大气压1006.6hPa的情况下计算得出在某种高精度的调节需要下在有20hPa的偏差的情况下必须进行压力修正在大多数修正条件下我们提供便携计算器767和湿度计算表768G768G 订购号00.07680.030 000干湿球湿度表根据Sonntag计算曲线有详细的蒸汽压力和湿度修正应用的大气压力范围670~1065hPa曲线大小 Din A4(210x297mm)771b 订购号00.07710.020 000用于湿度计算的干湿球湿度表湿度范围0~100%RH环境温度范围0~100参考压力1006.6hPa表尺寸560X580mm767 订购号00.07670.001 000可编程便携计算器带湿度计算程序包含Sprung公式也能用于修正计算相对湿度和绝对湿度也能计算修正露点这个预设参数是在大气压力1006.6的情况用户也可根据自己的要求随意更改重量0.500Kg。
毕业设计(论文)lcd数字显示体温计设计

LCD数字显示体温计设计摘要LCD数字体温计电路的设计研究开发对涉及到的相关技术理论和方法进行了深入的研究讨论给出了电路的详细设计过程并结合实际工作方面的经验给出了工程设计上的一些指导思想和原则.在各种传感器的温度变换曲线中存在着一个共同的问题即输出特性与温度的变化呈现非线性关系这一问题是温度测量误差的一个主要来源另一个造成测量误差的主要原因是测量系统的不稳定性在本课题的研究中对这两个问题作了着重分析和研究.LCD数字显示体温计系统采用AT89C51为控制器件,单线数字温度传感器DS18B20采集温度,LCD液晶显示,增设有高低报警和实时时钟及数据记录功能。
关键词:单片机;温度传感器;液晶显示;目录引言 (2)1 体温计的正确选择与使用 (4)2 案论证与比较 (4)3 硬件系统设计 (5)3.1电路设计 (7)3.2 时钟处理电路 (7)3.3 温度检测电路 (8)3.4显示电路 (9)4 软件设计 (9)结束语 (11)参考文献 (12)致谢 (13)LCD数字显示体温计引言在现代化生产过程控制中,执行机构起着十分重要的作用,它是自动控制系统中不可缺少的组成部分。
现有的国产大流量电动执行机构存在着控制手段落后、机械传动机构多、结构复杂、定位精度低、可靠性差等问题。
而且执行机构的全程运行速度取决于其电机的输出轴转速和其内部减速齿轮的减速比,一旦出厂,这一速度固定不可调整,其通用性较弱。
整个机构缺乏完善的保护和故障诊断措施以及必要的通信手段,系统的安全性较差,不便与计算机联网。
鉴于以上原因,采用传统的大流量电动执行机构的控制系统,可靠性和稳定性较差。
随着计算机网络、现场总线等技术在工业过程中的应用,这种执行机构已远远不能满足工业生产的要求。
笔者设计的大流量电动执行机构,采用机电一体化技术,将阀门、伺服电机、控制器合为一体,利用异步电动机直接驱动阀门的开与关。
通过内置变频器,采用模糊神经网络,实现阀门的动作速度、精确定位、柔性开关以及电机转矩等控制。
LCD显示数字体温计

( 内江师范学院 物理 学与 电子信息工程 系,Sl 内江 6 1 1)  ̄J l 4 12
摘 要 :本 系统 采用A 8 c l T 9 5 为控制 器件, 单线数 字温度 传 感器DS 8 2 采 集温度 ,c lB 0 L D液 品显示. 设有 高 增
低温 报警和 实时 时钟及数 据记录功能。 单片机 ;温 度传 感器 ;液 晶显示 关键词 :单片机 :温度传 感器;液 晶显示
者加操作 。琴键开关S 2 1按下 , 以实现删除或者减功能 。 琴键开关S 3 上时, 可 1合 允许进行调节 。 琴键 开关S 4 1 合上时,启动 闹钟功能 。当温 度超过 设定的值时, 2 4 山P .脚输出报警信 号去驱动锋鸣器, 或者输 出闹钟报时信号 。温度传感器采用 单线数字温度传 感器D 1B 0 在A 8 C 1 S 8 2 , T 9 5 的控制下D IB 0 S S 2  ̄将温度 转换成数字信号, 过 串行通信方式 由单 总线 经P . 输入 ̄ A 8 C 1 通 35 IT 9 5 中后, 0 J 由P 口输出送LD C 显示 。整机
理器进行处理 。普通 的热敏 电阻可在有 限的工作温度范 围内呈现 出上佳 的稳定性 ,而在较 宽的温度范 围 内_作 时 则表 现 出 中 等水 平 的稳 定 性 。 T
方案3 :采用单线数 字温度传感器D 1B 0 S 8 2 ,它 具有微型化 、低功耗 、高性能 、抗干扰 能力 强、易 配 微 处 理 器 等 优 点 , 特 别 适 合 于 构 成 多 点 温 度 测 控 系 AT8 C5l 9
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目录1绪论 (1)1.1课题开发背景及意义 (1)1.2主要内容及设计要求 (1)2硬件系统设计 (1)2.1系统设计框图 (1)2.2电源电路 ......................................................................................... 错误!未定义书签。
2.3系统硬件详细设计图 (2)2.4各芯片介绍 (3)2.4.1单片机AT89C51 (3)2.4.2 DS18B20简介 (4)2.4.3 SHT15简介 (8)2.5各功能模块电路的设计 (10)2.5.1温度测量电路 (10)2.5.2湿度测量电路 (11)3系统软件设计 (12)3.1系统功能模块图及各模块介绍 (12)3.1.1温度获取模块 (12)3.1.2湿度获取模块 (15)3.1.3 LCD显示控制模块 (17)3.2主程序流程图 (19)4硬件电路和软件系统的调试 (21)4.1印制电路板的设计与制作 (21)4.2系统软件调试 (24)5结论 (26)参考文献 (27)致谢 (28)附录1系统印制电路板 (29)附录2程序源代码 (30)摘要温度和湿度的测量在工业、农业、国防等行业有着广泛的应用。
使用单片机技术的温度和湿度测量计有体积小,使用性强等优点,在本设计中对LCD数字式温度湿度测量计进行了分析设计。
本论文针对所使用的AT89C51单片机的性能和使用做了比较详细的介绍,对本系统所使用的温度芯片DS18B20和湿度芯片SHT15做了性能方面的简单说明。
重点对硬件、软件的组成进行了划分、模块化设计。
对各部分的电路一一进行了介绍分析,最终实现了该系统的硬件设计,绘制了电路原理图、印制电路板图。
在软件设计方面绘制了各功能模块的流程图,并对需要实现的功能根据设计要求经过反复的模拟运行、调试、修改简化,得出一套完整的软件系统。
关键词:单片机AT89C51、温度传感器DS18B20、湿度传感器SHT15、液晶显示模块LCD1602AbstractThe test of temperature and moisture has been widely used in industry, agriculture, National defense and so on. By the advantage of small volume and high reliance of Single Chip Micyoco temperature and moisture meter, the article has analyzed and designed the digital temperature and moisture meter in this designing.This system made detailed introduction about performance and development situation of Single Chip microcomputer AT89C51, and made simple explanation about the temperature chip DS18B20 and humidity chip SHT15. It has mainly analyzed and designed the composition of hardware and software carried on the item, modulation gradually. This system has introduced part of the electric circuit step by step, and has finally realized the hardware electric circuit of this system. It has protracted the electric circuit principle diagram, the printed circuit board chart. According to the function that must be realized in designing, by repeated simulation run and debugging, it has revised and simplified the software system, and finally has formed a set of complete program.Key words: Microcomputer AT89C51; Temperature Sensor DS18B20; Humidity Sensor SHT15; Liquid-Crystal Display LCD16021绪论1.1课题开发背景及意义在我们日常生活和生产中,经常要测量环境的温、湿度,传统的测量方式通常采用水银温度计或者干湿球湿度计查算法,存在着误差大,操作使用很不便等问题,采用工业级测量仪表价格非常昂贵。
使用AT89C51和DS18B20、SHT15等组成的LCD数字式温度湿度测量计价格便宜和精度高等优点。
1.2主要内容及设计要求(1)熟悉的掌握单片机中断,定时器应用及各并行口的应用;(2)熟悉掌握单片机的湿度测量方法;(3)利用温度传感芯片DS18B20及单片机芯片89C51完成对温度的检测,利用SHT15完成对湿度测量;(4)测量温度的范围:-10℃~100℃精确度±0.1℃,测量湿度速度:1S。
2硬件系统设计2.1系统设计框图系统硬件设计的原理框图如图1所示:图1 温度湿度测量系统框图由图1可以看出该系统的原理,温度和湿度采集电路通过采集信号经单片机处理后再送至显示电路显示[1]。
2.2系统硬件详细设计图在图2所示电路中,AT89C51为主控制器,P0口和液晶显示器LCD1602相连,在AT89C51的控制下,由DS18B20、SHT15完成对温湿度信号的采集,由P0口输出送至液晶显示模块LCD1602显示[6]。
琴键开关S1按下,使得RST端为高电平,AT89C51被复位。
该电路采用的主要器件有:LCD1602为液晶显示器,显示当前的温度和湿度数据及系统时钟[2];AT89C51控制信号的采集过程和实现系统的时钟显示;DS18B20是温度传感器,检测并完成温度的转换;SHT15是温度湿度传感器,其主要完成温度与湿度的转换及测量。
系统整机电路图如图3所示:P1图2 数字温度湿度测量计整机电路在图2所示电路中,DS18B20作为温度采集电路,它输出为数字信号,可以很大程度的缩减外围电路,从而使得电路变得更加的简单,SHT15是温湿度采集电路[3],也是数字输出,这样就把整个电路比较简单、明了,同时也节约了成本。
2.3各芯片介绍2.3.1单片机AT89C51AT89C51是一个带4K字节闪烁可编程可擦除只读存储器(FPEROM—Falsh Programmable and Erasable Read Only Memory)的低电压、高性能CMOS8位微处理器。
单片机的可擦除只读存储器可以反复擦除一百次,该器件使用ATMEL高密度非易失存储器制造技术制造,和工业标准的MCS-51指令集和输出管脚兼容。
将多功能8位CPU和闪烁存储器组合于单个芯片中,ATMEL的AT89C51是一种高效的微控制器,器件采用ATMEL公司的高密度、非易失性存储技术生产,兼容标准的MCS-51指令系统,片内置有通用的8位中央处理器和Flash存储单元,内置功能非常强大的微型计算机的AT89C51提供了比较高性价比的解决方案。
AT89C51单片机提供了一种灵活性高且价廉的方案[4]为很多的嵌入式控制系统。
AT89C51元件的图形如图4所示:图3 AT89C51的引脚排列图管脚说明:(1)电源部分:VCC:供电电压GND:接地(2)晶振部分:XTAL1:内部时钟工作电路的输入及反向振荡放大器的输入XTAL2:来自反向振荡器的输出(3)接口电路部分:P0口:P0口是一个8位漏级开路双向I/O口,每脚可吸收8TTL门电流。
当P1口的管脚第一次写入1时,被定义为高阻输入。
P0能够用于外部程序数据存储器,它被定义为数据/地址的第八位。
当FIASH进行校验时,P0输出原码,此时P0外部必须被拉高,在FIASH 编程时,P0 口作为原码输入口。
P1口:P1口是一个内部提供上拉电阻的8位双向I/O口,P1口缓冲器可接收输出4TTL 门电流。
P1口管脚写入1后,被内部上拉为高,可用作输入;P1口被外部下拉到低电平时,将输出电流,这是由于内部上拉的缘故。
在FLASH编程和校验时,P1口作为第八位地址接收。
P3口:P3口管脚是8个带内部上拉电阻的双向I/O口,可接收输出4个TTL门电流。
当P3口写入“1”后,它们被内部上拉为高电平,并用作输入,作为输入,由于外部下拉为低电平,P3口将输出电流(ILL)是由于上拉的缘故。
(4)复位部分:RST:复位输入。
当振荡器复位器件时,需要保持RST脚两个机器周期的高电平时间[7]。
2.3.2 DS18B20简介测温元件是采用新型的温度传感器DS18B20,DS18B20是由Dallas半导体公司生产的“一线总线”接口的温度传感器。
一线总线结构有简洁、经济的特点,可以使用户轻松地组建传感器网络,为测量系统的构建引入全新概念,DS18B20的测量温度的范围是-55℃到+125℃,在-10℃~+85℃范围内,精度是±0.0625℃,现场温度可直接由“一线总线”以数字方式传输,很大程度上提高了系统的抗干扰性。
DS18B20适合于恶劣环境的实地温度测量,如环境控制、设备、过程控制、测温类消费电子产品等,工作在3V~5.5V的电压范围,采用多种封装形式,从而让系统设计更加灵活、方便,设置分辨率以及用户设定的报警温度存储在EEPROM中,掉电后依然保存[5]。
DS18B20的内部结构如图4所示:图4 DS18B20内部结构图DS18B20主要是由4部分组成:64位ROM、温度传感器、非易失性温度报警触发器TH与TL、配置寄存器[5]。
DS18B20的封装形式及引脚排列如图5所示:图5 DS18B20的引脚排列图DS18B20有4个主要的数据部件:(1)光刻ROM中的64位序列号是由出厂前被光刻好的,它可以看作为该DS18B20的地址序列码。
64位光刻ROM的排列为:开始8位(28H)是产品类型标号,接着的48位是该DS18B20自身序列号,最终的8位是前面56位的循环冗余校验码(CRC=X8+X5+X4+1)。