Barksdale样本
小鼠巴尔通体(Bartonella)酶联免疫分析试剂盒注意事项

小鼠巴尔通体(Bartonella)酶联免疫分析试剂盒注意事项
1.操作严格按照阐明书进行,本试剂不一样批号组分不得混用。
2.试剂盒从冷藏环境中取出应在室温平衡15-30 分钟后方可使用,酶标包被板开封后如未用完,板条应装入密封袋中保留。
3.浓洗涤液也许会有结晶析出,稀释时可在水浴中加温助溶,洗涤时不影响成果。
4.封板膜只限一次性使用,以防止交叉污染。
5.底物请避光保留。
6.试验成果鉴定必须以酶标仪读数为准,使用双波长检测时,参照波长为630nm
7.所有样品,洗涤液和多种废弃物都应按传染物处理。
终止液为2M 旳硫酸,使用时必须注意安全。
保留条件及有效期
1.试剂盒保留:;2-8℃。
2.有效期:6 个月__。
使用手册(液压部分)

19 SLWC-M60-1-B250NC-01-01-1-T70NC-PG11 低油位报警器 20 FSA127 1.1/T12 21 22 KXT-040-16NM 23 TECFLY-40-NBR-LS 24 CI43-6 ST2P1A11X700S 25 125/70-700 注: 液压油用壳牌46#液压油 液位计 油箱 柔性接头 蝶阀 位移传感器 油缸
1 ABB.SH 1 1 REXROTH 1 HYDAC 1 HYDAC 4 REXROTH 8 HYDAC 1 REXROTH 1 ZPMC 1 BARKSDALE 1 FUKA 3 WIKA.SH 3 FUKA 4 HYDAC 1 HYDAC 1 HYDAC 3 HYDAC 1 HYDAC 1 STAUFF 1 HYDAC 1 ZPMC 1 ZPMC 4 HYDAC 6 ZPMC 6 ZPMC
2.工况: 概述: 桥吊开机时,电动机M即自动启动,油泵向蓄能器充油。当压力继电器高位发讯 时,电动机停止,液压系统进入准备“松轮”状态。当司机按“松轮”按钮后,电动 机M、电磁阀S得电,直到海陆侧(各9只)行程开关T1~T9闭合发讯且压力继电器高位 发讯,电动机M才可以停止,进入自动保压状态。 系统处于自动保压状态时,如果在一分钟之内电机M启动超过三次,则系统将报 “油泵启动频繁”故障,且电机停转。 2.1 按“松轮”按钮→松轮→允许大车行走→自动保压→若大车行走连续停止5分 钟,则自动进入夹轮状态。 按"松轮"按钮或大车行走操作手 柄离开零位后,S得电,M得电,蓄 能器和油泵同时向夹轮器和夹轨 器输入压力油,开始松轮。 压力继 ⎯⎯⎯→ 续上升 待压力≥130bar 时,压力继电器高 位发讯,M失电。 进入保压 ⎯⎯⎯⎯→ 状态 当系统压力≤110bar时, 压力继电器低位发讯,M重新启动, 当压力≥130bar时,压力继电器高 位发讯后,M失电。完成自动补油动 作。 自动夹轮(大车行走 ⎯⎯⎯⎯⎯⎯⎯⎯→ 连续停止5分钟后) 松轮 ⎯⎯→ 绿灯亮,表示已处于松轮状态,大 车允许行走。
运用数字图像处理技术测量混凝土粗骨料的球度、形状系数和凸起比

运用数字图像处理技术测量混凝土粗骨料的球度、形状系数和凸起比C.F. Mora, A.K.H. Kwan*Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, People'sRepublic of China摘要:开发出了一种新型的,运用数字图像处理技术测量混凝土粗骨料的球度、形状系数和凸起比的方法。
不同于其它图像处理,该方法能够测量颗粒的厚度和体积,并能依据厚度测量形状参量和评估骨料中的单粒径颗粒形状参数的加权平均值。
研究者已经利用这项技术分析了五个不同来源三种不同类型一共46种岩石骨料样本,而且这样测量的形状参数与传统测量棱角相互关联的。
发现几个形状参数与传统的测量棱角有好的相关性,但是在它们之中只有凸度和丰满度有可能被用来衡量棱角数。
最后,倡导放弃传统的依据堆积密度测量棱角数的方法;堆积密度是骨料性能的一个重要的指标,但不是测量棱角数的好方法。
关键词:骨料;混凝土粗骨料;数字图像处理;堆积密度;颗粒形状分析1 引言数字视频技术发展很快,比以前更加实惠而且使用更方便。
利用摄像机可以捕获场景并转化成视频信号,它们首先被数字化然后按像素储存起来。
然后,场景的图案信息可以通过数字图像处理技术提取出来。
通过DIP技术[1],图像中的物体能从背景中被区分出来,然后进行分析和测量。
可以测量出粒子数、区域分布、粒度、形状分布与空间分布特征等几何参数。
该方法测量的主要优势几乎囊括了自动化、快捷、减少人为误差、而且能进行高级测量的优点。
作为DIP技术在混凝土工艺上应用研究的一部分,科学家正在研究运用DIP技术测量集料大小和形状可行的方法。
这是一个具有现实意义的话题,因为骨料作为混凝土的主要组成部分,其级配、尺寸和形状影响了混凝土的性能。
Barksdale[2]、Li[3]、Yue 和Morin[4]以及Kuo [5]等人已经尝试了DIP技术在颗粒大小与形状上的分析,取得了许多成果。
M12啤酒麦芽库尔巴哈值测定凯氮测定法2004

盐酸 标准
滴 定
即为终点。
溶液
终点颜色,突变很明锐。
记录消耗标准溶液的毫升 数。
同时按进行空白试验。
样品消化液 混合指示剂
凯氏定氮法:计算公式
X12
(%)
(V2
V1) c 0.014 m(1 X 2 )
100
(12)
式中:
X12—— 无水麦芽中的总氮量,%(m/m); X2 —— 同一样品麦芽的商品水分,%; V1 —— 空白滴定时消耗硫酸标准溶液的毫升数,mL; V2 —— 样品滴定时消耗硫酸标准溶液的毫升数,mL; c —— 硫酸标准滴定溶液的浓度,mol/L;
消化结束后,加入过量的强碱,使氨成游离状态,通过水 蒸汽蒸馏,随水蒸汽一起被蒸馏出来的氨,用硼酸吸收, 得到四硼酸铵:
水蒸汽
(NH4)2SO4 + 2NaOH
2NH3 + 2H2O + Na2SO4
2 NH3 + 4H3BO3 吸收 NH3 + H3BO3
(NH4)2B4O7 + 5H2O H3BO3·NH3
G — 同一样品麦芽汁的浸出物,%;
D — 同一样品麦芽汁在20℃时的相对密度(比重);
0.014 — 与1.00mL硫酸标准溶液[c(1/2 H2SO4)=1.000mol/L 相当的以克表示的氮的质量。
e) 结果的允许差
平行试验之差,不大于0.03%。
QB1686:6.12.3.5 库尔巴哈值
可溶性氮测定:凯氏定氮法
b) 常量蒸馏 法
待消化液冷却后,缓缓加入不含氮的水250mL,摇匀。 冷却,并加入几块小瓷片,
哈迪-温伯格平衡的卡方检验和拟合优度

哈迪-温伯格平衡的卡方检验和拟合优度下载提示:该文档是本店铺精心编制而成的,希望大家下载后,能够帮助大家解决实际问题。
文档下载后可定制修改,请根据实际需要进行调整和使用,谢谢!本店铺为大家提供各种类型的实用资料,如教育随笔、日记赏析、句子摘抄、古诗大全、经典美文、话题作文、工作总结、词语解析、文案摘录、其他资料等等,想了解不同资料格式和写法,敬请关注!Download tips: This document is carefully compiled by this editor. I hope that after you download it, it can help you solve practical problems. The document can be customized and modified after downloading, please adjust and use it according to actual needs, thank you! In addition, this shop provides you with various types of practical materials, such as educational essays, diary appreciation, sentence excerpts, ancient poems, classic articles, topic composition, work summary, word parsing, copy excerpts, other materials and so on, want to know different data formats and writing methods, please pay attention!哈迪温伯格平衡的卡方检验和拟合优度1. 简介在遗传学和进化生物学领域,哈迪温伯格平衡是一种描述群体遗传结构的理论模型。
心理契约

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心理契约的维度 内在契约和外在契约:内在契约和外在契约的划分来自于Kickul和Lester2001, 2002)对已有心理契约雇主责任的分析.他们从工作性质和工作结果的角度 出发,对以246 名在职MBA 学员为调查对象而得到的11 项雇主责任进行了因 素分析,提取出了两个因素:外在契约和内在契约.外在契约涉及雇主所作的 与员工工作完成有关的允诺,如灵活的工作时间、安全的工作环境、有竞争力 的工资和奖金.内在契约涉及雇主所作的与员工工作性质有关的承诺,如工作 自我选择、自主决策、自我控制、从事挑战性工作、提供组织支持,参与决策、 有发展机会等. 交易责任、培训责任和关系责任:Shapiro 和Kessler(2000)以703名经理和 6953 名普通员工为调查对象,对他们的9项雇主责任进行分析后得到了3个因 素,分别称为交易责任、培训责任和关系责任. 交易责任指与经济物质有关的组织责任,包括提供与责任挂钩的、与同行业员 工相同的报酬和福利,并随着生活水平的提高增加工资; 培训责任指与员工知识和能力增长有关的责任,包括必要的工作培训、新知识 新技能培训和组织支持; 关系责任则是与员工个人前途有关的责任,例如提供长期的工作保障和良好的 职业前景.
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心理契约违背的形成原因
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造成心理契约违背发生的原因主要有三个: 一个是期望源.员工期望是构成个体心理契约的一个重要因素,她可以产生于组织代表和代理 人做出的承诺,也可以产生于对组织文化和标准操作实践的感知以及关于组织如何运作的理想 化观念.一旦实际与这些期望不符,员工就会认为其心理契约未被履行.但是Turnley和 Feldman 强调心理契约违背的发生还要视具体情况而定,例如,当非直接领导(如人力资源专 家)与直接主管做出的承诺均未履行时,员工更易将来自于直接主管的承诺差异视为心理契约, 更易产生消极的情绪体验;当明确规定的承诺与隐含的承诺均未履行时,员工更易将来自于前 者的差异视为心理契约的违背,而将来自后者的差异归结为理解歧义或他们的一厢情愿. 另外,心理契约违背的发生还要视未被履行的具体要素而定,当与员工生活水平、自尊感和自 我价值感联系紧密的要素如薪酬水平、绩效工资未被履行时,员工更易将其感知为契约的违背; 涉及工作安全感的差异更易被年长的员工感知为契约的违背, 而涉及培训与发展、晋升机会以 及工作挑战性的差异更易被年轻的员工感知为契约的违背. 最后,差异的特点也是造成心理契约违背的一个重要原因.差异的特点包括差异的幅度,许诺 与差异发生的时间差以及员工对差异原因的知觉和对过度奖赏和奖赏不足的权衡等.例如,差 异的幅度越大,许诺与差异发生之间的间隔越小,个体感知到违背的可能性也越大. 从以上的 分析可以看出,导致心理契约违背发生的原因十分复杂,承诺的差异何时会使员工个体产生负 性的情绪体验要视具体的情况而定.
barcikovski_和_robey_提出的单组重复测量设计样本含_量估计表
barcikovski 和robey 提出的单组重复测量设计样本含量估计表1. 引言1.1 概述本文将讨论由barcikovski和robey提出的单组重复测量设计样本含量估计表。
在研究中,样本的大小是一个重要的考虑因素,它会影响到研究结果的有效性和可靠性。
通过使用单组重复测量设计样本含量估计表,研究者可以确定所需的样本容量,以确保能够获得具备统计学意义的结果。
1.2 文章结构本文共包含五个部分:引言、单组重复测量设计样本含量估计表、要点一、要点二以及结论与展望。
在介绍完整篇文章的结构之后,我们将逐步探讨这些内容,并分析其相关意义与局限性。
1.3 目的主要目的是对barcikovski和robey提出的单组重复测量设计样本含量估计表进行详细讨论,并强调其在实际应用中所具有的意义与应用场景。
此外,我们也将深入探讨该方法在实践中可能遇到的局限性,并给出未来研究方向上建议。
2. 单组重复测量设计样本含量估计表:2.1 什么是单组重复测量设计样本含量估计表?单组重复测量设计样本含量估计表是一种用于确定研究中所需的参与者数量的工具。
在某些实验或研究中,研究者需要根据所选择的统计方法和研究目标来确定合适的样本大小。
单组重复测量设计样本含量估计表就是为了帮助研究人员进行这样的估算而创建的。
2.2 barcikovski 和robey 的贡献Barcikovski和Robey提出了单组重复测量设计样本含量估计表,他们通过对相应统计数据和概率模型进行分析,建立了该估计表。
他们考虑了许多因素,例如效应大小、预期误差控制水平、显著性水平和相关因子等,并将这些因素纳入到该估计表中。
2.3 样本含量估计的意义和应用场景样本含量估计是一个关键步骤,可以帮助研究者确保其研究结果具有可靠性和有效性。
通过准确地确定所需的参与者数量,研究者可以更好地规划和管理研究进程,充分利用资源,并确保结果的可靠性。
样本含量估计广泛应用于医学研究、社会科学调查、市场营销研究等领域,在任何需要获得具有统计意义的结论或推断的研究中都是必不可少的工具。
巴氏(Barcol)硬度计
巴氏(Barcol)硬度计1. 原理巴氏硬度计(巴柯尔硬度计)是一种压痕式硬度计,它以特定压头在标准弹簧的压力作用下压入试样表面,以压痕的深浅表征试样硬度的高低。
巴氏硬度计有100个分度,每个分度单位代表压入0.0076mm的深度。
压入越深,读数越高,材料越硬。
巴氏硬度公式为:hba=100-l/0.0076式中:hba—巴氏硬度符号;l —压痕深度(mm);0.0076—单位硬度值代表的压痕深度(mm)。
2. 特点* 简单轻便。
仪器小巧轻便,可单手操作,在任何场合,只要伸手可及,均可测试。
* 测量范围宽。
典型产品934—1型既可测试很软的纯铝,又可测试很硬的超硬合金,有效测量范围相当于布氏硬度25~135hbw。
* 应用面广。
巴氏硬度计有多种型号,可分别测试铝及铝合金、锌、铅、锡、玻璃钢、塑料、橡胶、皮革、木材等。
* 无需支撑。
只接触试样一侧即可测试,无需移动或支撑试样,适于测试超大、超厚工件或组装件。
* 换算方便。
可方便地通过查表将测量值换算成布氏、维氏、洛氏、韦氏等硬度值。
值所引起的相对标准不确定度分量==测量过程稳定,对样本标准偏差进行合并:,人员重复性试验==)==式中:—灵敏系数;—分辨力。
由式中: hb —硬度值;d -压头钢球直径,mm;d -压痕直径,mm。
已知压痕测量装置能分辨压痕直径的0.5%对于b1试样:d = 5 mm; d = 1.708 mm;ms = 0.0085mm; = 372.36 u ms=3.17对于b2试样:d = 5 mm d = 2.345 mm;ms =0.0117mm; = 148.96 u ms=1.748.5用标准硬度块进行检定时平均值的标准不确定度分项的评定表4. 布氏硬度实测值hbw标准偏差hbw()()13.9146.84望在(164-7)至(164+7)的区间包含了布氏硬度hbw测量结果,可能值的95%。
离子色谱–电感耦合等离子体光谱联用检测食品样品中硼酸
55化学分析计量CHEMICAL ANALYSIS AND METERAGE第23卷,第Z1期2014年12月V ol 23,No. Z1Dec. 2014doi :10.3969/j.issn.1008–6145.2014.Z1.018离子色谱–电感耦合等离子体光谱联用检测食品样品中硼酸李仁勇,王飞[赛默飞世尔科技(中国)有限公司,北京 100080]摘要 建立了离子排斥色谱柱分离、电感耦合等离子体光谱仪检测食品中硼酸的方法。
样品经纯水提取并经RP 柱处理后直接进样,样品基体与硼酸在专用离子排斥柱IonPac ICE–Borate 上可有效分离,6 min 内可完成一次样品测定。
硼酸的质量浓度在5~100 mg /L 范围内与色谱峰高线性良好,线性方程为y =15.347x –3.224 5,相关系数为0.999 6。
硼酸的检出限为0.3 mg /L 。
7次样品重复性测定结果的相对标准偏差为1.5%,样品加标回收率在85%以上。
关键词 离子色谱;电感耦合等离子体光谱;IonPac ICE–Borate ;食品;硼酸中图分类号:O657.7 文献标识码:A 文章编号:1008–6145(2014)Z1–0055–03Determination of Borate in Food Samples by IC Coupled with ICP–OESLi Renyong , Wang Fei(Thermo Fisher Scienti fic , Beijing 100080, China )Abstract A method was developed to determine borate in food by ion chromatography coupled with inductively coupled plasma–optical emission spectroscopy (ICP–OES). Samples were extracted with water ,and inject into the IC system after the RP SPE column treatment. Borate could be separated well in 6 min with the matrix in the IonPac ICE–Borate column. Borate concerntration was linear with the chromatograph peak height between 5 mg /L and 100 mg /L. The linear equation was with the correlation coef ficient of 0.999 6. The detection limit was 0.3 mg /L ,RSD was 1.5%(n =7), and the recovery was above 85%.Keywords ion chromatography; ICP–OES; IonPac ICE–Borate; food; borate硼虽是非植物结构组分元素,但是对植物体具有重要的生理功能[1]。
两样本尺度参数Ansari-Bradley检验
来表示分布的位置,方差σ2用来表示分布的分散程度。可见,对一个总体
分布来说,不仅要研究其均值、中位数、众数等位置参数,同时也不能
忽视方差、标准差、极差等尺度参数。
参数统计中,若两样本分别来自两个独立的正态分布,则假设检验问题
H0
:
2 X
2 Y
;
H1
:
2 X
2 Y
(
2 X
2 Y
,
方差较大,故应怀疑零假设。
注:该方法是针对两总体中心位置一致的条件提出的,若两总体中心位置 不一致时,需先将一个样本平移至与另一个样本中心位置一致后再做检验。
例题解析
【例5-1】我国两个地区一些城镇职工的工资如下 地区1:6864 7304 7477 7779 8348 8461 9553 9919 10073 10270 11581 13472 13600 13962 15019 17244 地区2:10276 10533 10633 10837 11209 11393 11864 12040 12642 12675 13199 13683 14049 14061 16079 检验两样本方差是否相等。
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El c ro i e sure T r nsdu e s e t n c Pr s a c rEl c ro i e sure S itc ese t n c Pr s w hS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 205 / 03 K D E -E N G 03 / 2Intrinsically Safe VersionHigh Pressure VersionHigh T emperature VersionType UPA 2Description / Technical Data .......................................................20Electrical Connection / Order Number Code . (21)Type UPA 2 EExibDescription / Technical Data .......................................................22Electrical Connection / Order Number Code . (23)Type UPA 2 - TPHADescription / Technical Data .......................................................24Electrical Connection / Order Number Code . (25)Type UPA 2 - HTDescription / Technical Data .......................................................26Electrical Connection / Order Number Code . (27)Type UPA 3Description / Technical Data .......................................................28Electrical Connection / Order Number Code . (29)Type UPA 5Description / Technical Data .......................................................30Electrical Connection / Order Number Code . (31)Introduction- Application .................................................................................................................................. 4- General......................................................................................................................................... 5- The Pressure Sensor Elements .................................................................................................... 9- Different Types of Pressure. (10)Explanations acc. to DIN 16086 (11)Pressure Conversion Charts (12)Standards and Approvals (13)Overview Pressure Transducers and Pressure Switches (14)Standard VersionOEM VersionHydraulic VersionElectronic Pressure TransducersElectronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s305 / 03 K D E -E N G 03 / 2Intrinsically Safe VersionType UDS 2 - Description / Technical Data ................................32Dimensions / Electrical Connection................................................33Order Number Code .. (33)Switch 2000 - Description / Technical Data................................34Dimensions / Electrical Connection................................................35Order Number Code .. (35)Type UDS 7 - Description / Technical Data ................................36Dimensions / Electrical Connection................................................37Order Number Code .. (37)Type UDS 7 EExia - Description / T echnical Data........................38Dimensions / Electrical Connection................................................39Order Number Code .. (39)Type UDS 3 - Description / Technical Data ...............................40Dimensions / Electrical Connection................................................41Order Number Code .. (41)Type UAS 3 - Description / Technical Data.................................42Dimensions / Electrical Connection................................................43Order Number Code .. (43)Type UAD 3 - Description / Technical Data................................44Dimensions / Electrical Connection................................................45Order Number Code .. (45)Damping Screws, Power Supplies,Connection Blocks, Adaptors,Accessories...................................................................................46Electrical Plugs, Software, Interface Cables,Test Reports and Certificates (47)Product Overview, Fax Order Form (48)Single Pressure SwitchDual Pressure SwitchPressure Switch with 4 Relay OutputsTrip Amplifier with 4 Relay OutputsTrip Amplifier with 4 Relay OutputsElectronic Pressure Switches - DigiSwitchAccessoriesOEM Pressure SwitchElectronic Pressure Transducers and Pressure SwitchesInformationS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s405 / 03 K D E -E N G 03 /2++++Electronic Pressure Transducers and Pressure SwitchesTransmitter Pressure SwitchDisplayInterfaceMin./Max. StorageApplicationOur wide range of electronic pressure switches and pressure transducers offers a variety of switching functions from simple single-transistor output to microprocessor-controlled switches with four set points, analog output and even digital communications.Choose from many pressure measuring ranges from a low of vacuum to 5000 bar. Different technologies and measuring prin-ciples provide accuracy from 0,2% to 1% and media temperature tolerance to 200 °C.The main applications for our product range are determined by our DigiSwitch series, pressure switches with digital display and an optional transmitter in one compact housing.Hydraulics and pneumatics, moulding machines, machine tools,power packs and hydraulic tool clamping, production lines in the automobile industry, welding robots and level measurement and control are some of the most important applications.Electronic pressure switches and pressure transducers are particu-larly applicable in cases where the classic mechanical pressure switches do not offer enough accuracy, life span or functions as required by modern manufacturing technologies.The procedure of time intensive switch point adjustment, e. g. with a manometer and pressure pump is no longer acceptable in mod-ern automation processes.Leakages and leakage return lines, large hysteresis (well known e.g. from piston pressure switches) are no longer applicable to the closed measuring system of the electronic pressure switch.Set points are adjustable by using an integrated LED or LCD digital display. Both set point and reactuation point are adjustable over the whole measuring range. It is not necessary to pressurize the system to adjust the set points.In addition to our individual components we offer a whole series of measuring instruments for your specific tasks. Just contact us.S p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s505 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesThe Barksdale electronic pressure switches are easy to install and operate, and provide a variety of functions and operating capabilities.The UDS 2 features with its comparator switching threshold with semiconductor output. All other Barksdale electronic switches are equipped with microcontrollers providing a variety of functions. The analog pressure sensor input is amplified and digitized in an A/D-converter. A minimum 10 bit (1024 steps) processor is used in the Switch 2000, 12 bit (4096 steps) in the UDS 3 / UAS 4 / UDS 7 and UAD 3.The multifunctional digital displays indicate the actual systempressure, functions and switching values, all controlled through the keypad. In the event of malfunction, error messages are also dis-played. The UDS 7 family are equipped with Dot-matrix displays which provide alphanumeric read outs, switchable to different loperating menus.In addition to the electronic pressure switches with microcontrollers we also design software for many special functions.With its internal analog comparator circuit, the set point for the UDS 2 can be adjusted with a potentiometer, either with system pressure, or, with a digital voltmeter (requires adaptor between the plug connectors).The reactuation point in the UDS 2 results from the hysteresis which is factory set on 15% of the set point. Other values are possible but must be indicated when ordering. The order must also specify the switching function for increasing or decreasing pressure.All other pressure switches and trip amplifiers in this catalogue are equipped with microcontrollers where set point and retactuation point are adjusted separately for each switching output.The switches are adjusted by selecting the menu dialog with the M-(mode) pushbutton and arrow pushbutton.Hysteresis, or deadband, is the difference between set point and reactuation point.GeneralSet Point - Reactuation Point - AdjustmentSP =Switching PointHY =Hysteresis / DeadbandRSP =Reactuation Point (SwitchingPoint minus Hysteresis /DeadbandS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s605 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesAll pressure switches in this catalog (except UDS 2) can be con-figured at the keypad for increasing or decreasing set points.A setting for …increasing“ will have hysteresis below the set point; a setting …decreasing“ will have hysteresis above the set point.Decreasing or Increasing PressureStandard- or Windows TechniqueAll switches (except UDS 2) offer two completely different switching modes:-Standard version: The switching output switches between two set points like a two step controller-Window technique version :The switching output is activated when the actual values are above or below the adjusted ON -OFF set points (measuring band = window).This window technique is useful e. g. to actuate an alarm when the actual value is outside or within a required zone.Example for “increasing“ switching point evaluation Example für “decreasing“ switching point evaluationS1 on S1 offAlarm LED S1Pressure,Temperature tS1 off S1 onAlarm LED S1Pressure,TemperaturetExample for switching point evaluation “outside“ the window S1 on S1 offAlarm LED S1Pressure,Temperature tExample for switching point evaluation “inside“ the windowS1 off S1 onAlarm LED S1Pressure,TemperaturetS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s705 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesAs instruments become smaller and more compact the switching elements have to be miniaturized also. Therefore the switches with four relay outputs and trip amplifiers are equipped with potential free SPDT miniature relays. They can be used alternatively as NO or NC contact.Our single and dual pressure switches have electronic solid state outputs which can operate as NO or NC contact. In the UDS 2 single switch these functions are made by wire bridges. In all other switches,the functions are configured via the keypad.The switching outputs of the UDS 7 and Switch 2000 are designed as pnp-open collector as state of the art now for modern control systems.The outputs of the UDS 2 can be configured (polarity pnp or npn) at any time (Fig. 1 and 2) by a wire jumper bridge in the connector.Switching ElementsInversion of Switching PointAll switches (except UDS 2) offer the possibility to switch the already wired switching contact output by software from normally open / NO to normally closed / NC.Note:As long as the power supply is activated the switching output operates in the desired (NO) or (NC) mode.Without voltage supply the relay coil is not longer energized and the contacts return to the basic position.This switching mode is shown in the circuit diagram of each switch.S p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 805 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesKeypad LockAs soon as all operating parameters (set points, time delays etc.) are entered into the memory access for manipulating can be locked out.This is necessary to prevent unintended or unauthorized tampering.Reading the values on the display is possible at any time.The switches can be locked only via keypad code.The security of the system is guaranteed and failures caused by tampering are prevented (except UDS 2).Time DelayTo prevent unnecessary switching at pulsating pressures all switches (except UDS 2) provide a delay function, seperately and in steps programmable.This time delay operates with the same time in switch-on and switch-off function and is selectable individually for each switching output.The microprocesor-controlled switches provide additional, individual delays for display and analog output.S p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s905 / 03 K D E -E N G 03 / 2The Pressure Sensor ElementsElectronic Pressure Transducers and Pressure SwitchesThe piezoresistive pressure measuring cell is ideal for low and medium pressures for absolute and gauge ranges. The cell -manufactured in a vacuum process - is equipped with a silicone diaphragm with diffused strain sensitivity resistors as pressure sensitive element.The resistors change their values proportional to the measured pressure and a differential voltage output interprets the values.Silicone has limited media compatibility, therefore a stainless steel diaphragm is added with oil fill as a pressure transfer media.Due to an excellent compensation procedure the sensor provides high accuracy in a wide temperature range. The piezoresistive measuring cell is ideal for high performance measuring and controlling applications for absolute pressure and the low and medium relative pressure ranges.Piezoresistive Pressure Measuring CellThin Film Pressure Measuring CellOilSteel diaphragm (rippled)Silicone meas.-cell Glass grommet T AB-film with meas.- cellIsolation discCorrosion-free steel housingø19m m5 mmO-ringLeadPrinted circuitPress. connectionCVD resistorsPassivated surface Stainless Steel diaphr.The most complicated and costly measuring cell to manufacture is the thin film pressure measuring cell. In a CVD (chemical vapour deposition) process the resistors are placed on a wafer of passivated stainless steel diaphragms.The extremely compact and homogeneous construction allows excellent long term stability and is dynamically robust.Due to the stainless steel diaphragm and its high burst pressure rating the sensor is ideal for high pressure ranges in rugged industrial applications.The thin film principle is also good in higher temperatures.Ceramic Measuring CellThe ceramic measuring cell is designed especially for OEM-appli-cations. The pressure-dependent resistors are located on the back side of the ceramic basic body.The robust and extremely media-compatible construction permits low-cost applications in absolute and lower and medium relativepressure ranges.ResistorsSoldered connectionsCeramic basic bodyS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 1005 / 03 K D E -E N G 03 / 2[bar] log p (pressure)(Fig.1)(Fig.2)316423165241000100101Electronic Pressure Transducers and Pressure SwitchesAcc. to DIN-layout 16086 there are three different types of pressure in applications:• GaugeGauge sensor elements (Fig.1) have a so-called "open" measuring cell and the varying atmospheric ambient pressure (P amb ) has no effect on the accuracy of measurement.•Absolute PressureThe reference level for absolute pressure (P abs ) is zero pressure in empty space (vacuum). The sensor elements used are equipped with a "closed" measuring cell (Fig.2).In this case, following ranges are specified:Overpressure The calibration reference measuring rangeis the ambient pressure.Therefore, the reference level P amb = 0 bar.UnderpressureThe underpressure measuring measuring rangerange designates negative values of overpressure e. g.P amb = 0 bar,vacuum P = -1 bar.1 - Steel diaphragm2 - Silicone oil3 - Silicone wafer4 - Measuring pressure5 - Ambient pressure6 - O-ringOpen cellfor gauge measurements with ambient pressure as reference levelClosed cellfor measured values over 10 bar and absolutepressure measurements with reference pressure 0 bar (full vacuum)5Gauge sensorAbsolute pressure sensorTypes of PressureExamplesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesAn electronic pressure sensor converts a mechanical static or differential pressure into an electric value.This value is amplified into a standard signal by electric circuitries.Electronic Pressure SensorMeasuring RangeMeasuring SpanProof PressureDestruction RangeBurst PressureThe burst pressure is the pressure up to which the pressuremeasuring device must not burst and no measured medium leaks from the unit.The destruction range is the pressure range, beyond the yield point, in which permanent changes occur to the electronic pressure measurement device in regard to its measurementproperties. The device can be damaged mechanically (e. g. even burst). The destruction range starts at the final value of the overload range.The proof pressure is the range of the measured values of the pressure being measured in which specified or agreed limits of error may be exceeded but where no permanent changes occur in the measurement properties. No clear relationship between pressure and output values is to be anticipated.The measuring span is the difference between initial- and final- full scale-value of the measuring range.Example:Measuring range:-1 bar to 15 bar Initial value:-1 bar Final value (f. s.):15 bar Measuring span:16 barThe measuring range is the range of values of the measuring signal (pressure), for which the measuring deviation of a measuring device should be within the specified error limits.Limits of the measuring range are the initial and final value (f. s. full scale).Overload rangeOverload rangeBurst pressureDestruction range Measuring range Destruction rangeInitial valueFinal value (Pnenn)–1–0,600,4210 barS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 / 2Conversion TableElectronic Pressure Transducers and Pressure SwitchesThe nominal temperature range is the temperature range covered by the pressure measurement device whose measuring properties meet the requirements.Applicable Pressure UnitsStorage Temperature RangeRepeatabilityNominal Temperature RangeLinearityThe storage temperature range is the temperature range in which an electronic pressure measurement device may be stored or transported without permanent changes of its measuring properties.Linearity defines the maximum variance in % in relation to full scale of the measured characteristic curve of a measuring device to its ideal curve.Repeatability defines the maximum variance in % in relation to full scale of the curves, if we measure the same value several times.S p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesBarksdale Control Products electronic measurement instruments are designed, manufactured and tested according to the actual standards and specifications of IEC-publications, EN-standards or DIN VDE-specifications including country-specific standards and factory standards. New products as well as updated products fullfill the requirements of the latest European and international standard layouts.Barksdale Control Products GmbH’s quality control and quality assurance management is ISO 9001 certified and guarantees a high level of quality for development, design and production.According to EG-guideline (89/336 EWG) referring to electro-magnetical compatibility (EMV-guideline) electric and electronic instruments must meet specified requirements to assure satis-fying function in their electro-magnetical environment.These requirements are specified in following standards and specifications:Electronic Noise Emission:Electronic noise emission in process technology industry are tested according to standard EN 55011.Interference Immunity:IEC 1000-4-1 / EN 61000-4-1Electro-magnetical compatibility of measuring-, controlling and monitoring-instruments in the process technology industry IEC 1000-4-2 / EN 61000-4-2Interference immunity against discharge of static electricity (ESD).IEC 1000-4-3 / EN 61000-4-3Interference immunity against electro-magnetical fields ( Hf-field).IEC 1000-4-4 / EN 61000-4-4Interference immunity against quick transient interferences (Burst).IEC 1000-4-6 / ENV 50141Interference immunity against induced conducted interferences.Test degree acc. to EN 50082-2Basic standard interference immunityQuality according to StandardsElectromagnetical CompatibilityS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 /2Electronic Pressure Transducers and Pressure SwitchesS p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s 05 / 03 K D E -E N G 03 / 2Sensor :Piezoresistive measuring cell__________________________________________________Materials:Wetted Parts :Stainless steel W-Nr. 1.4435Housing(Electronics):Stainless steel W-Nr. 1.4571Seals :Viton, EPDM__________________________________________________Protection Class :IP65 plug, IP67 cable__________________________________________________Pressure Connection :G 1/4 M,G1/2 M with pegor quasi flush diaphragm__________________________________________________Dimensions :ø 32 mm x appr.120 mm(with electrical plug)__________________________________________________Weight :250 g__________________________________________________Electronic Pressure TransducersFeaturesVariety of measuring rangesAbsolute and gauge pressure ranges Zero and range adjustableRugged stainless steel construction Protection class IP65 resp. IP67GL approval (Germanischer Lloyd)Measuring Ranges-1...0 bar to 0...800 bar gauge 0...1 bar 0...10 bar absoluteApplicationsHydraulics and pneumatics,process- and chemical industry,test beds, shipbuilding, offshore applicationsfor general measuring tasks,with internal or flush stainless steel diaphragm sanitary type, also available,accuracy class 0,5% and 0,25% f. s.Technical DataTemperature Influence :<±0,2% f. s. /10 K__________________________________________________Compensation Range :-10 °C...+80 °C__________________________________________________Repeatability :<±0,1% f. s.__________________________________________________Temperature Range :-25 °C...+100 °C (Media)-25 °C... +80 °C (Electronics)-40 °C...+100 °C (Storage)__________________________________________________Power Supply :8...30 V DC unregulated,13...30 V DC at 0...10 V ,max. 10 % residual ripple,reversed polarity protected__________________________________________________Output Signal :4...20 mA (2 wire)0...10 V DC (3 wire)__________________________________________________Power Consumption :max. 25 mA at current outputmax. 5 mA at voltage output__________________________________________________Load :<(Ub-10V) / 0,02 A__________________________________________________Delay :<1 ms__________________________________________________Adjustment Range :Zero and span up to 5%(when lower part of plug removed)__________________________________________________Options :Damping screw to limitpressure peaks_________________________________________________Linearity Error :<±0,5% f. s.Special calibration (Option: <±0,2% f. s.)__________________________________________________Electrical Connection :Plug 3-pin. DIN 43650PG7 incl. 1,5 m cable,PG9 incl. 5 m ship cable (GL approval))__________________________________________________Pressure Ranges (bar)-1...0 -1...+1 0,1 0,2 0,4 0,6 1 2 5 10 50 100 200 400 600 8002,5 2,5 2,5 2,5 2,5 2,5 3 4 7 15 75 150 300 500 700 1100Proof Pressure (bar)S p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e s w i t h o u t n o t i c e .E l e c t r o n i c P r e s s u r e T r a n s d u c e r s a n d P r e s s u r e S w i t c h e s05 / 03 K D E -E N G 03 / 2120ST1Nut across flats 32ø32G1/220Dimensions (in mm)ST1117ø32124G 1/4Nut across flats 32Sealing edge ø19Sealing edge Connection + Supply - Supply + Signal - SignalPlug Cable GL-Cable 1brown blue 12white blue 2------Current output 4...20 mA (2-wire)Voltage output0...10 V (3-wire) PlugCable GL-Cable 1brown blue 12blue blue 23whitewhite 1---Connection Chart(01)*-1... 0rel.(02)*-1... +1rel.(07)*0... 0,1rel.(08)0... 0,2rel.(09)0... 0,4rel.(10)0... 0,6rel.(11)0... 1rel.(12)0... 2rel.(13)0... 5rel.(14)0... 10rel.UPA 2- 43-01UP A 2- 43-015811201Order number exampleYour order numberElectronic Pressure TransducersMeasuring rangeO-ring sealOutput signalElectrical connectionPressure connectionTypeSeriesRanges [bar]O-ring seal(1)Viton - Standarde. g. hydraulic oil (3)EPDM - e. g.brake fluid。