基础信息Product information

产品名称：Static Monitor静电电位电量

产品型号：JCI140

更新时间：2024-08-18

产品简介：

JCI-140英国Chilworth静电测试仪Static Monitor Static Monitor静电电位电量
2档电位量程: 2kV, 20kV （JCI-140/140F）; 20kV, 200kV （JCI-140XF）
2档电量量程: 2nC, 20nC （JCI-140/140F）; 20nC, 200nC （JCI-140XF）

产品特性Product characteristics

     中国电子行业仪器优质供应商——坚融实业JETYOO INDUSTRIAL & 坚友(上海)测量仪器JETYOO INSTRUMENTS，专业为中国区用户提供Static Monitor静电电位电量仪器设备、技术培训与售后维修服务，Support、销售Sale、服务Service，3S公司，为上海华东地区一家以技术为导向的仪器综合服务商，是您值得信赖的电子行业仪器专家。

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JCI140静电测试仪Static Monitor静电电位电量
2档电位量程: 2kV, 20kV (JCI-140/140F); 20kV, 200kV (JCI-140XF)
2档电量量程: 2nC, 20nC (JCI-140/140F); 20nC, 200nC (JCI-140XF)
分辨率: 1V (2kV量程), 10V (20kV量程)
测试距离: 100mm
测量精度: +/-2% FSD
可测试连续变换电压
信号输出万用表, 可测试50/60Hz交流电场
3 1/2LCD液晶显示, 低电池指示
纯铝外壳, 有效屏蔽外部信号干扰
尺寸: 150*66*34mm, 320g

品牌: JCI
制造商: Chilworth Technology Ltd
产地: 英国

订购编号:     描述:
JCI-140     标准型, 频率响应: -3dB@120Hz
JCI-140F     快速型, 频率响应: -3dB@400Hz
JCI-140XF     快速大量程型, 频率响应: -3dB@400Hz
量程: 20kV; 200kV

选配:      
JCI-148     转换探头, 接触式测量导体静电压或高压输出装置
JCI-147     配套法拉第桶, 测试静电荷量

JCI-140静电测试仪性能特点
JCI-140/140F可以非接触地测量物体表面静电位，测试距离为100mm，2挡量程可选：0～+/-2kV和0～+/-20kV。2kV量程，分辨率1V；20KV量程，分辨率10V。 
 
仪器外壳为纯铝材料，可以屏蔽外部干扰信号。3位半LCD屏幕显示读数和极性，测量单位为kV。超出量程蜂鸣报警声提示。 
 
JCI-140/140F具有稳定快速的测试特点，可进行连续测试，测试精度为+/-2% FSD。
JCI-140 的频率响应为-3dB@120Hz，因此可以测量极性变化的电位（例如交流电场）；JCI-140F具有更高的频率响应-3dB@400Hz。仪器采用干电池供电，也可采用外接电源适配器（选配）。电量不足时，LCD显示屏自动显示“LO BATT”。 
 
JCI-140/140F具有模拟信号输出端口，可以提供+/-2V输出信号给纸图记录仪、万用表或示波器。 
 
JCI-140/140F 测试仪配合JCI-147 法拉第桶可以测试物体静电荷量，量程：0～+/-2nC和0～+/-20nC，分辨率1pC（2nC量程）。 
 
JCI-140/140F测试仪配合JCI-148转换探头可以接触式测量导体静电位或高压电源输出电压，量程：0～+/-2kV和0～+/-20kV，分辨率1V（2kV量程）。 
 
 
JCI-147法拉第桶可以直接安装在JCI-140/140F测试仪上，JCI-140/140F测量内桶外壁的静电位，然后乘以法拉第 桶的电容得到静电荷量。JCI-140/140F探测头位置距离法拉第桶经过校准设置，所以仪器读数直接 为静电荷量（单位nC），测试精度+/-5% FSD 
 
JCI-147法拉第桶内桶尺寸： 
直径：50mm 
高度：70mm  
 
JCI-148转换探头可以直接安装在JCI-140/140F测试仪上。转换探头内部有一个电容很小（7pF）的等电位金属片，通过配套测试线连接被测试物体，仪器显示被测试物体静电位。 
 
JCI-148转换探头外壳为纯铝，可以屏蔽外部干扰信号，测试泄漏电阻大于10·14Ω。 
测试精度+/-2% FSD 

Benefits
-  Indicates surface voltage
-  Resolution to 1V &  full scale 20kV  (standard version, used as per manufacturer’s  
  instructions)
-  Extended range available for higher voltages
-  Fast version available for high frequency AC fields (-3dB at 400Hz) 
-  Field mill technology avoids the zeroing required for Induction Monitors.
Including the JCI 140F, JCI 140X and JCI 140XF
JCI 140 Field Mill Static Monitor
The JCI 140 is a compact instrument for easy detection and measurement of static electricity and 
for assessment of risks in practical situations.

General Description
The JCI 140 Static Monitor is a compact, easy to use instrument for direct non-contact 
measurement of surface voltage. It is available in 3 options: F – Fast Response, X – Extended 
Range & XF - Fast Response Extended Range. From a distance of 100 mm the 3½ digit liquid 
crystal display indicates surface voltage to an accuracy of 1 Volt. This makes it particularly easy 
to find even low levels of static charge and to make measurements with confidence.
As a field mill instrument there is no need to switch-on in a static free environment, no need 
for measurements to be made within a limited time and no need to worry about the influence 
of air ionisation –  which are all concerns with simple ‘induction probe‘ type instruments. The 
novel mode of operation of the JCI 140, with no earthing of the rotor (the instrument must still 
be earthed), provides quiet, stable operation with fast response and long operational life.
The  JCI 148  and JCI 146  are compatible modular voltmeter adapters for use with the JCI 140. 
Both instruments allow direct measurement of voltages on live conductors using a probe. The 
JCI 140, when used with the JCI 148, can measure voltages up to 20kV dc and the JCI 146 
can measure voltages up to 60kV dc. The very high input resistance of these systems eliminates 
the loading effects suffered by many high voltage voltmeters and high voltage adapters for 
multimeters. The JCI 147  is a compatible modular  Faraday Pail  adaptor for use with the 
JCI 140. It allows direct measurement of charge (in nano Coulombs) on items placed in the 
Faraday Pail. 

Specification
Ranges:          2kV & 20kV full scale 
      1V and 10V resolution at 100mm
      (20kV & up to 50kV for JCI 140X / XF, with precautions as per the       
    manufacturer‘s instructions)
Response:    -3dB at ~120Hz for standard JCI 140 
      -3dB at ~400Hz for JCI140F 
Zero Stability:     Within ±10V on 2kV range
Accuracy:          Within ±2% FSD
Linearity:    Within ±1% FSD
Display:                3½ digit LCD indicating surface voltage in kilovolts at 100mm with polarity   
      and ‘LO BATT‘ indication
Audio alarm:     Pulsing audio output when reading above user set alarm level
Signal outputs:     Via 8 pin miniature DIN socket     
Power Supply:    PP3 Battery or JCI142 external mains adapter
Dimensions:    34x66x150mm overall. Weight: 320g.

Accessories & Services  
JCI 143 Analogue Output Cable
JCI 142 External Mains Adapter
JCI 169 Permanent Mounting Feet
Digial USB Oscilloscope & Data Logger
Calibration to BS7506: Part 2:1996
JCI 125 Zero Check Chamber

Compatible Modular Instruments
JCI 148  Electrostatic Voltmeter
JCI 147  Faraday Pail

Benefits
-  Measures voltage on conductors with near zero current drain
-  High level of accuracy
-  Measurements up to 20kV
-  Simple quick release mechanism for mounting the JCI 140 unit.
JCI 148 Electrostatic Voltmeter Adapter
Compatible with  JCI 140  Static Monitor
The JCI 148 can be used for accurate measurement of voltages with negligible current 
drain.

General Description
The JCI 148 Electrostatic Voltmeter comprises a shielding enclosure in which an electrode, 
connected to the input, is supported by high quality insulation in a well-defined and stable 
geometric arrangement relative to the sensing aperture of a  JCI 140  Static Monitor. 
The geometry is such that the numbers shown on the display correspond directly to the 
applied voltage input in kV.  
The attraction of an electrostatic voltmeter based on the JCI 140 Static Monitor is the 
near zero current drain (limited only by insulation leakage not less than 10
14
 Ohms at up 
to 20kV), the high sensitivity (1V resolution in 2kV range), the low internal capacitance 
(about 7pF), high input time constant and the linearity of response.  

JCI 148  – Electrostatic Voltmeter Adapter
Specification
Ranges:        2kV & 20kV full scale. 1V and 10V resolution 
Accuracy and linearity :         Within ±2% FSD on JCI 140 display and analogue output signal
High voltage connection:   Special JCI HV protective connector
Maximum safe voltage:  ±25kV