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   首页 >> 产品展示 >> 伟德国际官方网站 >> [伟德国际手机客户端]TREK/ACL1946测试仪器>>TREK 520 手持式1946电压测试仪

名称: TREK 520 手持式1946电压测试仪
规格: TREK 520
产地: 平方
分类: [伟德国际手机客户端]TREK/ACL1946测试仪器
  
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技术参数

手持式1946电压测试仪
特点:
TRE-520:0~±2KVDC
TRE-523:0~±20KVDC
精准度±5%, 具备Hold功能
应用: 人体或对象表面静面量测试,主要用于厂内1946产生情况的抽检

Model 520 Series HAND-HELD Electrostatic Voltmeter

The Model 520 Series includes the Model 520 and Model 523.

The Trek Model 520 Hand-Held Electrostatic Voltmeter (ESVM) Series products provide accurate, noncontacting measurements of electrostatic surface voltage for ESD applications in either ionized or non-ionized environments. Industrial applications include measuring charge accumulation in the LCD manufacturing process or measuring static charge in semiconductor production. The Model 520 series ESVMs utilize a new measurement technique that overcomes the disadvantage of the typical hand-held fieldmeter by providing surface voltage measurements which are essentially independent of the sensor probe-to-measured surface spacing.

Model 520-1 ESVM
Over a spacing range of 5 mm to 25 mm, the 520 voltmeter provides better than a 5% voltage measurement accuracy, while the typical fieldmeter provides a voltage measurement error in excess of 50%. An optional voltage monitor output is available (Model 520-2). 

Model 523 ESVM
Over a spacing range of 30 mm to 60 mm, the 523 voltmeter provides greater than a 5% voltage measurement accuracy, while the typical fieldmeter provides a voltage measurement error in excess of 50%. 

The 520 series provides a measurement system which complies with standardized calibration equipment traceable to the National Institute of Standards and Technology. The 520 series hand-held voltmeters employ a slender sensor probe design that provides flexibility to make measurements in many locations which are impossible to reach using the large, bulky sensing surfaces of the typical hand-held fieldmeter. The slender design also allows for higher spatial resolution capability by allowing the measurement of small surface areas. A "hold" pushbutton retains the displayed measured voltage value for recording purposes.

  • Model 520 Measurement Range 
    0 to ±2 kV DC.

    Model 523 Measurement Range 
    0 to ±20 kV DC.

    Model 520 Accuracy 
    ESVM Monitor (Model 520-2) 

    Better than ±5% of full scale over the entire recommended probe-to-surface separation range of 5 mm to 25 mm.

    Model 523 Accuracy 
    Better than ±5% of full scale over the entire recommended probe-to-surface separation range of 30 mm to 60 mm.

    Model 520 Probe-to-Surface Separation (recommended)
    5 mm to 25 mm.

    Model 523 Probe-to-Surface Separation (recommended)
    30 mm to 60 mm.

    Stability 
    Drift with Time 
    Less than 600 ppm/hour, noncumulative.
    Drift with Temperature 
    Less than 600 ppm/°C.

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