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產品(pǐn)特(tè)性(xìng)Product characteristics

     中國電子行業儀(yí)器優質供(gōng)應商——堅(jiān)融(róng)實業(yè)JETYOO INDUSTRIAL & 堅友(上(shàng)海)測量儀器(qì)JETYOO INSTRUMENTS
，專業為中(zhōng)國區用(yòng)戶提(tí)供Static Monitor靜(jìng)電(diàn)電(diàn)位電量(liáng)儀器設備，技術培(péi)訓與售(shòu)後維修(xiū)服務
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，是(shì)您(nín)值(zhí)得(dé)信(xìn)賴(lài)的電子(zǐ)行(háng)業儀(yí)器(qì)專家。

靜(jìng)電危(wēi)害解(jiě)決(jué)方案(àn)，靜電(diàn)測試儀(yí)器及控製設備，相關(guān)靜電防護產(chǎn)品應用於：
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JCI140靜電測試儀Static Monitor靜電電(diàn)位電(diàn)量
2檔(dàng)電位(wèi)量程: 2kV, 20kV (JCI-140/140F); 20kV, 200kV (JCI-140XF)
2檔(dàng)電(diàn)量量(liáng)程(chéng): 2nC, 20nC (JCI-140/140F); 20nC, 200nC (JCI-140XF)
分辨率(shuài): 1V (2kV量(liáng)程), 10V (20kV量(liáng)程)
測(cè)試距離(lí): 100mm
測(cè)量(liáng)精度(dù): +/-2% FSD
可(kě)測試(shì)連續變換電(diàn)壓(yā)
信(xìn)號輸出(chū)萬用表, 可測(cè)試(shì)50/60Hz交流電場(cháng)
3 1/2LCD液晶顯(xiǎn)示(shì), 低電池指示
純鋁外殼, 有(yǒu)效屏蔽外(wài)部信(xìn)號幹擾
尺(chǐ)寸: 150*66*34mm, 320g

品(pǐn)牌: JCI
製造商: Chilworth Technology Ltd
產(chǎn)地(dì): 英國

訂(dìng)購編號:     描述:
JCI-140     標準(zhǔn)型(xíng), 頻率(shuài)響應: -3dB@120Hz
JCI-140F     快速型(xíng), 頻率(shuài)響應: -3dB@400Hz
JCI-140XF     快(kuài)速大(dà)量(liáng)程型(xíng), 頻率(shuài)響應(yīng): -3dB@400Hz
量程(chéng): 20kV; 200kV

選(xuǎn)配(pèi):      
JCI-148     轉(zhuǎn)換(huàn)探(tàn)頭, 接觸式(shì)測量(liáng)導體靜電(diàn)壓(yā)或(huò)高壓(yā)輸(shū)出(chū)裝置(zhì)
JCI-147     配套法拉第(dì)桶(tǒng), 測試靜電荷量(liáng)

JCI-140靜(jìng)電測試(shì)儀性能特(tè)點
JCI-140/140F可以(yǐ)非接(jiē)觸(chù)地測量物體表麵(miàn)靜電(diàn)位
，測(cè)試(shì)距離為(wéi)100mm
，2擋量程(chéng)可選(xuǎn)：0～+/-2kV和(hé)0～+/-20kV。2kV量程(chéng)
，分辨率(shuài)1V
；20KV量程
，分辨率(shuài)10V。 
 
儀(yí)器(qì)外殼(ké)為純(chún)鋁材料(liào)
，可以屏蔽(bì)外部(bù)幹(gān)擾信(xìn)號。3位半LCD屏幕(mù)顯示讀數(shù)和(hé)極(jí)性(xìng)
，測量(liáng)單位為(wéi)kV。超出量程(chéng)蜂鳴報警聲提示。 
 
JCI-140/140F具(jù)有(yǒu)穩定快(kuài)速的測試(shì)特點
，可(kě)進行連(lián)續(xù)測試
，測(cè)試精(jīng)度為+/-2% FSD。
JCI-140 的頻率響(xiǎng)應為-3dB@120Hz
，因(yīn)此可(kě)以測量極性變(biàn)化的電位（例(lì)如交流(liú)電場(cháng)）
；JCI-140F具有更高(gāo)的頻(pín)率響應(yīng)-3dB@400Hz。儀器(qì)采用幹電(diàn)池供電
，也可采用外(wài)接(jiē)電源適(shì)配(pèi)器（選(xuǎn)配(pèi)）。電量(liáng)不(bù)足(zú)時
，LCD顯示屏自動(dòng)顯示“LO BATT”。 
 
JCI-140/140F具(jù)有(yǒu)模擬信號輸(shū)出端(duān)口
，可以(yǐ)提供+/-2V輸(shū)出信號給(gěi)紙(zhǐ)圖記錄儀(yí)，萬用表或示波器。 
 
JCI-140/140F 測(cè)試(shì)儀配合JCI-147 法(fǎ)拉(lā)第桶(tǒng)可(kě)以測試物體靜(jìng)電(diàn)荷量(liáng)
，量(liáng)程：0～+/-2nC和0～+/-20nC
，分辨(biàn)率1pC（2nC量程(chéng)）。 
 
JCI-140/140F測試(shì)儀配(pèi)合(hé)JCI-148轉換(huàn)探頭可(kě)以接(jiē)觸式測量(liáng)導體靜電(diàn)位或高(gāo)壓電源(yuán)輸出電壓(yā)
，量程：0～+/-2kV和0～+/-20kV
，分(fēn)辨(biàn)率1V（2kV量(liáng)程）。 
 
 
JCI-147法(fǎ)拉第(dì)桶(tǒng)可(kě)以(yǐ)直(zhí)接安(ān)裝在JCI-140/140F測(cè)試儀上(shàng)
，JCI-140/140F測(cè)量(liáng)內桶外壁(bì)的靜電位(wèi)
，然(rán)後(hòu)乘以法拉第(dì) 桶(tǒng)的電(diàn)容(róng)得(dé)到靜電荷量。JCI-140/140F探測頭位(wèi)置(zhì)距(jù)離法(fǎ)拉第桶經過校準(zhǔn)設(shè)置
，所(suǒ)以(yǐ)儀器讀(dú)數(shù)直接 為靜電荷量（單位(wèi)nC）
，測(cè)試精(jīng)度(dù)+/-5% FSD 
 
JCI-147法(fǎ)拉第桶內桶尺(chǐ)寸： 
直徑：50mm 
高度(dù)：70mm  
 
JCI-148轉換探(tàn)頭(tóu)可以直(zhí)接(jiē)安(ān)裝(zhuāng)在JCI-140/140F測(cè)試儀上(shàng)。轉(zhuǎn)換(huàn)探頭(tóu)內部(bù)有(yǒu)一(yī)個電容很小（7pF）的(dí)等(děng)電(diàn)位金(jīn)屬片(piàn)
，通過(guò)配套測(cè)試綫連(lián)接被(bèi)測試物(wù)體
，儀器(qì)顯(xiǎn)示(shì)被(bèi)測試物體靜電(diàn)位。 
 
JCI-148轉換(huàn)探(tàn)頭外殼為(wéi)純(chún)鋁
，可以(yǐ)屏(píng)蔽(bì)外(wài)部(bù)幹(gān)擾(rǎo)信(xìn)號(hào)
，測(cè)試(shì)泄(xiè)漏(lòu)電(diàn)阻(zǔ)大於(yú)10·14Ω。 
測試(shì)精(jīng)度(dù)+/-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