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北京华测静电计测量范围宽

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  • 产品名称:北京华测静电计测量范围宽
  • 产品型号:HEST-103
  • 产品展商:华测
  • 产品文档:无相关文档
简单介绍

北京华测静电计测量范围宽具有极高的输入阻抗。 北京华测静电计测量范围宽符合国家标准GB12014-89 防静电工作服或日本JIST8118-1983。 北京华测静电计测量范围宽符合防静电工作服的要求。

产品描述

                                                                      北京华测静电计测量范围宽

一、北京华测静电计测量范围宽概述:
    北京华测静电计测量范围宽是在原BD 21型静电电压表的基础上改进后的新型静电电压表EST103型静电计与BD 21相比由于采用了分段放大技术和极高性能的集成电路在低量程电压档如200mV和2V,其漂移远小于美国KEITLEY的616和617静电计不需预热开机即可测量24小时漂移小于 0.5%, 它非常灵敏输入阻抗极高的静电计

二、北京华测静电计测量范围宽特点及应用范围:
1、具有极高的输入阻抗
2、具有宽的测量范围
3、符合国家标准导电和防静电塑料电阻率测量的要求
4、符合国家标准GB12014-89 防静电工作服或日本JIST8118-1983
5、防静电工作服的要求
    符合国家标准GB/T 12703-91 纺织品静电性能测试方法的要求


三、北京华测静电计测量范围宽技术指标:
1 测量范围DC 200mV 200V,采用电阻分压或电容分压可扩大测量范围
2 准确度0.5 读数2字
3 输入阻抗1 1014 100T
4 漂 移时间漂移24小时小于0.5%;温度漂移小于0.05%/
5 电源220VAC 50HZ 10W
6 质量2KG
7 尺寸220mm 230mm 80mm

四、北京华测静电计测量范围宽测量原理:
本仪表采用极高输入阻抗的高性能集成电路做输入级输入阻抗,大于 1 1014 接近1 1015 一般放大的工作电压在15V 所以量程范围小于15V 由于本仪表采用大范围悬浮电源获特技术使得静电计电压为275V量程电压范围达到DC 200V。

五、北京华测静电计测量范围宽使用方法:
1、将测量电缆线与仪表输入端连接好接好电源线
2、开启电源显示器应发红光
3、将开关拨到输入短路调整调零使显示为000
4、将开关拨到测量后根据被测电压的高低选择合适的量程就可测量

六、北京华测静电计测量范围宽注意事项
1、不允许测量超出该量程的电压否则有可能损坏仪表的输入级超出该量程时应换较大的量程虽然仪器有保护措施但过电压会使静电计的性能下降超出范围时显示1
2、应避免带高电压的物体及人体对输入端接触或接近以免静电放电损坏仪表内高输入阻抗的静电放大器
3、机内有危险的高压不要随便打开仪器以免电击
4、输入电缆线应使用高绝缘聚乙烯屏蔽电缆线否则会影响输入阻抗

七、北京华测静电计宽典型应用
1、导电和防静电橡胶电阻率测量
2、导电和防静电塑料电阻率测量
3、测量防静电工作服电荷量
4、测量各种粉体液体固体的带电电荷量
5、测量金属体的电容量对于孤立金属体的电容

Huace HEST103 electrometer
One, overview:
This instrument is a new type of electrostatic voltmeter EST103 type electrostatic improvement based on the original BD 21 type electrostatic voltage meter on the meter with BD compared to 21 due to the use of integrated circuit segment amplifying technology and high performance in low voltage such as 200mV and 2V, which is far less than the drift of KEITLEY 616 and not 617 electrometer preheat start can measure 24 hour shift is less than 0.5%, it is very sensitive to electrostatic very high input impedance meter
Two, the characteristics and scope of application:
1, has a very high input impedance
2, has a wide measuring range.
3, in line with national standards of conductive and anti electrostatic plastic electrical resistivity measurement
4, in line with national standards GB12014-89 anti-static overalls or Japanese JIST8118-1983
5, anti - static work clothing requirements
With static performance test method of national standard GB/T 12703-91 requirements of textile material
Three, technical indicators:
1 the measurement range of DC 200mV 200V, the use of pressure resistance and capacitance divider can expand the measuring range
2 accuracy 0.5 of reading 2 words
The input impedance of the 3 11014 100T
4 drift time drift 24 hours less than 0.5%; the temperature drift is less than 0.05%/
5 220VAC 50HZ 10W power supply
6 quality 2KG
The 7 dimensions of 220mm 230mm 80mm
Four, the measurement principle:
The instrument adopts high performance integrated circuit high input impedance input input impedance is greater than 11014, close to 11015 general purpose working voltage in the range of less than 15V 15V and the instruments used in a wide range of power supply by the suspension technology makes the electrometer voltage range 275V voltage range up to DC 200V.
Five, method of use:
1, the measurement of cable and instrument input end connected with power line
2, open the power supply monitor should be red
3, will switch to the input circuit the display of 000 adjustments to zero
4, will switch to the appropriate range is selected according to the height of the measured voltage measurements can be measured
In six, the matters needing attention
1, do not allow the measuring voltage range beyond the range of the input stage otherwise it may damage the instrument beyond the range should be greater although the decline in performance of the instrument protection but over voltage can make the electrometer beyond the scope display 1
2, avoid objects and human body with high voltage on the input contact or close in order to avoid electrostatic discharge damage inside the meter high input impedance electrometer amplifier
3, the machine has high pressure not dangerous just open the instrument in order to avoid electric shock
4, the use of high input cable should be shielded cable insulating polyethylene, otherwise it will affect the input impedance
Seven, the typical application
1, conductive and antistatic rubber resistivity measurement
2, conductive and antistatic plastic electrical resistivity measurement
3, measurements of anti-static overalls charge
Quantity of electric charge 4, measurement of various liquid solid powder
5, measurement of capacitance for capacitive isolated metal body, metal body


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