北京中航鼎力仪器设备有限公司

绝缘材料体积电阻率表面电阻率测定仪LST-121Volume resistivity of insulating material surface resistivity measuring instrument LST-121符合标准：Meet the standards:GB/T 1410-2006《 固体绝缘材料体积电阻率和表面电阻率试验方法》Test method for volume resistivity and surface resistivity of solid insulating materials by 1410-2006 GB/TASTM D257-99《绝缘材料的直流电阻或电导试验方法》Test method for DC resistance or conductance of insulating materials by D257-99 ASTMGB/T 10581-2006 《绝缘材料在高温下电阻和电阻率的试验方法》Test method for resistance and resistivity of insulating materials at high temperature by 10581-2006 GB/TGB/T 1692-2008 《硫化橡胶 绝缘电阻率的测定》1692-2008 GB/T "determination of electrical resistivity of vulcanized rubber"GB/T 2439-2001《硫化橡胶或热塑性橡胶 导电性能和耗散性能电阻率的测定》2439-2001 GB/T - Determination of electrical conductivity and dissipative properties of vulcanized rubber or thermoplastic rubberGB/T 12703.4-2010 《纺织品 静电性能的评定 第４部分：电阻率》12703.4-2010 GB/T "the fourth part of the evaluation of the electrostatic properties of textiles: electrical resistivity"GB/T 10064-2006_《测定固体绝缘材料绝缘电阻的试验方法》10064-2006_ GB/T "test method for the determination of the insulation resistance of solid insulating materials"一、概述First, an overview本仪器既可测量高电阻，又可测微电流。采用了美国Intel公司的大规模集成电路,使仪器体积小、重量轻The instrument can measure high resistance, and measuring current. The United States Intel company's large-scale integrated circuit, so that the instrument is small, light weight准确度高。数字液晶直接显示电阻值和电流。量限从1×104Ω ～1×1018 Ω，是目前国内测量范围最宽，准确High accuracy. Digital liquid crystal display direct current resistance and current. The measurement range is from 1 * 104 to 1 * 1018, which is the most wide and accurate measurement range in China.度最高的数字超高阻测量仪。电流测量范围为2×10-4 ～1×10-16Ａ。机内测试电压为Digital ultra high resistance measuring instrument with the highest degree. The current measurement range is 2 * 10-4 ~ 1 * 10-16A. The test voltage in the machine is10V/50V/100V/250V/500V/1000V任意可调。本仪器具有精度高、显示迅速、性好稳定、读数方便， 适用于橡10V/50V/100V/250V/500V/1000V arbitrary adjustable. The instrument has the advantages of high accuracy, rapid display, good stability, convenient reading, and is suitable for the rubber and the rubber.胶、塑料、薄膜、及粉体、液体、及固体和膏体形状的各种绝缘材料体积和表面电阻值的测定。本仪器除能测Plastic, plastic, film, and powder, liquid, and solid and paste shapes of various insulating materials volume and surface resistance values. In addition to the measurement of the instrument电阻外，还能直接测量微弱电流。Resistance, but also can directly measure the weak current.二、主要特点Two, the main features电阻测量范围宽 1×104Ω ～1×1018ΩResistance measurement range x 104 x 1 x 1018 x 1电流测量范围为 2×10-4Ａ ～1×10-16ＡThe current measurement range is 2 * 10-4A ~ 1 * 10-16A体积小、重量轻、准确度高Small size, light weight, high accuracy电阻、电流双显示Dual display of resistance and current性能好稳定、读数方便Good performance and stable, easy to read所有测试电压(10V/50V/100/250/500/1000V) 测试时电阻结果直读，免去老式高阻计在不同测试电压下或All the test voltage (10V/50V/100/250/500/1000V) to test the resistance results in reading, replacing the old high resistance meter in different test voltages or不同量程时要乘以系数等使用不便的麻烦，使测量超高电阻就如用万用表测量普通电阻样简便。When the scale is different from the use of the inconvenience of the trouble, so that the measurement of ultra high resistance, such as the use of a universal meter to measure the general resistance.既能测超高电阻又能测微电流Not only can measure high resistance and micro current三、技术指标Three, technical indicators1、电阻测量范围： 0.01×104Ω ～1×1018Ω。1, resistance measurement range: 0.01 * 104 ~ 1 * 1018.2、电流测量范围为： 2×10-4A～1×10-16A2, the current measurement range is: 2 x 10-4A ~ 1 x 10-16A3、显 示 方 式：数字液晶显示3, display mode: Digital LCD display4、内置测试电压： 10V 、50V、100V、250、500、1000V4, built-in test voltage: 10V, 50V, 100V, 250, 500, 1000V5、基本准确度：1% (*注)5, basic accuracy: 1% (* Note)6、使用环境： 温度：0℃～40℃，相对湿度<80%6, the use of the environment: temperature: 0 degrees Celsius to 40 degrees Celsius, the relative humidity of <80%7、机内测试电压： 10V/50V/100/250/500/1000V 任意切换7, the machine test voltage: 10V/50V/100/250/500/1000V arbitrary switching8、供电形式： AC 220V，50HZ，功耗约5W8, power supply form: 220V AC, 50HZ, power consumption of about 5W9、仪器尺寸： 285ｍｍ× 245ｍｍ× 120 mm9, instrument size: 285mm * 245mm * 120 mm10、质量： 约2.5KG10, quality: about 2.5KG四、工作原理Four, working principle根据欧姆定律，被测电阻Rx等于施加电压V除以通过的电流I。传统的高阻计的工作原理是测量电压VAccording to Ohm's law, the measured resistance Rx is equal to the applied voltage V divided by the current I. Traditional high resistance meter working principle is to measure the voltage V固定，通过测量流过取样电阻的电流I来得到电阻值。从欧姆定律可以看出，由于电流I是与电阻成反比，The resistance value is obtained by measuring the current I flowing through the sampling resistor. From Ohm's law, it can be seen that the current I is inversely proportional to the resistance,而不是成正比，所以电阻的显示值是非线性的，即电阻无穷大时，电流为零，即表头的零位处是∞，其And not directly proportional to, so the resistance to the display value is nonlinear, the resistance is infinite, the current is zero, namely header zero is infinity.附近的刻度非常密，分辨率很低。整个刻度是非线性的。又由于测量不同的电阻时，其电压V也会有些变The scale is very close and the resolution is very low. The whole scale is nonlinear. And because the measurement of different resistance, the voltage V will be a little change化，所以普通的高阻计是精度差、分辨率低。So the common high resistance meter is of low precision and low resolution.本仪器是同时测出电阻两端的电压V和流过电阻的电流I，通过内部的大规模集成电路完成电压除以The instrument is to measure the voltage at both ends of the V and the current through the resistance of I, through the internal scale integrated circuit to complete the voltage divided by电流的计算，然后把所得到的结果经过A/D转换后以数字显示出电阻值，即便是电阻两端的电压V和流The calculation of the current, and then the results obtained after the A/D conversion to figure out the value of the resistance, even the resistance of both ends of the voltage V and flow过电阻的电流I是同时变化，其显示的电阻值不象普通高阻计那样因被测电压V的变化或电流Ｉ的变化而The current I of the over resistance is changed at the same time, the resistance value which is displayed is not the same as that of the ordinary high resistance meter because of the change of the measured voltage V or the change of the current I.变，所以，即使测量电压、被测量电阻、电源电压等发生变化对其结果影响不大，其测量精度很高(专利)，Change, so, even if the measurement voltage, measured resistance, supply voltage and other changes have little impact on its results, the measurement accuracy is very high (patent),从理论上讲其误差可以做到零，而实际误差可以做到千分之几或万分之几。In theory, the error can be zero, and the actual error can be done a few thousand or ten thousand.典型应用Typical applications1、测量绝缘材料电阻(率)1, measuring the resistance of insulating materials (rate)2、测量防静电材料的电阻及电阻率2. Measure the resistance and resistivity of the antistatic material.3、测量计算机房用活动地板的系统电阻值3. Measure the system resistance value of the computer room floor.4、测量防静电鞋、导电鞋的电阻值4, measuring the resistance value of anti-static shoes, conductive shoes5、光电二极管暗电流测量5, photoelectric diode dark current measurement6、物理,光学和材料研究6, physics, optics and materials research标准配置：Standard configuration:1、测试仪器：1台1, test equipment: 1 sets2、.电源线：1条2, power line: 13、测量线：3根（屏蔽线、测试接线、接地线）3, measuring line: 3 (shielding wire, test wiring, grounding wire)4、使用说明书：1份4, the instruction manual: 1 copies备注：Remarks：本仪器配不同的测量电极（夹具）可以测量不同材料（固体、粉体或液体）的体积电阻率和表面电阻This instrument can measure the volume resistivity and surface resistance of different materials (solid, powder or liquid) with different measuring electrodes (fixture).率或电导率，完全符合国家标准GB1410－2006固体电工绝缘材料绝缘电阻、体积电阻系数和表面电阻试Rate or conductivity, in full compliance with the insulation resistance, volume resistivity and surface resistivity test of national standards GB14102006 of solid electrical insulating materials验方法，ASTM D257 绝缘材料的直流电阻或电导试验方法 等标准要求。Standard requirements for test methods, such as DC resistance or electrical conductivity test method of D257 ASTM insulation material.