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橡塑材料體積電阻及體積電阻率測試儀

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更新時間:2017-04-19 13:47:37瀏覽次數(shù):370次

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橡塑材料體積電阻及體積電阻率測試儀以雙3.1/2 位數(shù)字直接顯示電阻的高阻計和電流。量限從1×104Ω ~1×1018 Ω,是目前國內(nèi)測量范圍Z寬,準確度Z高的數(shù)字超高阻測量儀。電流測量范圍為2×10-4 ~1×10-16A。機內(nèi)測試電壓為10/50/100/250/500/1000V任意可調(diào)。

產(chǎn)品名稱:橡塑材料體積電阻及體積電阻率測試儀
Product Name: Volume surface resistance tester
產(chǎn)品型號:ZST-121
Item No: ZST-121
符合國標:GB/T1410-2006 ASTM D257-99
In line with the national standard: GB/T1410-2006 ASTM D257-99
測量范圍:0.01×104Ω~1×1018Ω
Measuring range: 0.01 x 104 x ~ 1 * 1018
顯示方式:液晶顯示、直讀電阻、電流
Display: LCD display, direct reading resistor, current
測試方法:三電極法
Test method: three electrode method
符合標準:
Meet the standard:
GB1410《固體電工絕緣材料絕緣電阻、體積電阻系數(shù)和表面電阻試驗方法》
GB1410 test method for insulation resistance, volume resistivity and surface resistivity of solid electrical insulating materials
ASTM D257《絕緣材料的直流電阻或電導(dǎo)試驗方法》
ASTM D257 test methods for DC resistance or conductance of insulating materials
一、概述
I. overview

橡塑材料體積電阻及體積電阻率測試儀既可測量高電阻,又可測微電流。采用了美國In公司的大規(guī)模集成電路,使儀器體積小、重量輕、準確度高。以雙3.1/2 位數(shù)字直接顯示電阻的高阻計和電流。量限從1×104Ω ~1×1018 Ω,是目前國內(nèi)測量范圍zui寬,準確度zui高的數(shù)字超高阻測量儀。電流測量范圍為2×10-4 ~1×10-16A。機內(nèi)測試電壓為10/50/100/250/500/1000V任意可調(diào)。本儀器具有精度高、顯示迅速、性好穩(wěn)定、讀數(shù)方便, 適用于防靜電產(chǎn)品如防靜電鞋、防靜電塑料橡膠制品、計算機房防靜電活動地板等電阻值的檢驗以及絕緣材料和電子電器產(chǎn)品的絕緣電阻測量。固體絕緣材料體積/表面電阻率測定儀除能測電阻外,還能直接測量微弱電流。
Can measure high resistance, but also can measure the electric current. The United States In company's large scale integrated circuit, so that the small size, light weight, high accuracy. High resistance meter and current with dual 3.1/2 digit direct display resistor. The measurement limit is from 1 * 104 ~ 1 * 1018 *, which is the most widely used digital super high resistance measuring instrument. The current measurement range is 2 * 10-4 ~ 1 * 10-16A. The test voltage of the machine is 10/50/100/250/500/1000V adjustable. The instrument has high precision, good stability, fast display, easy reading, application of insulation resistance measurement in anti-static products such as anti-static shoes, anti-static plastic rubber products, computer room inspection anti electrostatic floor activities such as resistance and insulating materials electrical and electronic products. Solid insulation material volume / surface resistivity meter can measure the resistance, but also can directly measure the weak current.
三、技術(shù)指標
Three, technical indicators

1    電阻測量范圍    1×104Ω ~1×1018Ω
1 resistance measurement range 1 x 104 x ~ 1 * 1018
2    電流測量范圍    2×10-4A~1×10-16A
2 current measurement range 2 x 10-4A ~ 1 * 10-16A
3    雙表頭顯示    3.1/2位LED顯示
3 dual header display 3.1/2 bit LED display
4    內(nèi)置測試電壓    10V、50V、100V、250、500、1000V
4 built-in test voltage 10V, 50V, 100V, 250, 500, 1000V
5    基本準確度    2%
5 basic accuracy 2%
6    使用環(huán)境    溫度:0℃~40℃,相對濕度<80%
6 use the ambient temperature: 0 degrees C to 40 C, relative humidity <80%
7    機內(nèi)測試電壓    10/50/100/250/500/1000V 任意切換
7 internal test voltage 10/50/100/250/500/1000V arbitrary switching
8    供電形式    AC 220V,50HZ,功耗約5W
8 power supply form AC 220V, 50HZ, power consumption is about 5W
9    儀器尺寸    285mm× 245mm× 120 mm
9 instrument size 285mm * 245mm * 120 mm
10    質(zhì)量    約2.5KG
10 mass of about 2.5KG
四、工作原理
Four, working principle

根據(jù)歐姆定律,被測電阻Rx等于施加電壓V除以通過的電流I。傳統(tǒng)的高阻計的工作原理是測量電壓V固定,通過測量流過取樣電阻的電流I來得到電阻值。從歐姆定律可以看出,由于電流I是與電阻成反比,而不是成正比,所以電阻的顯示值是非線性的,即電阻無窮大時,電流為零,即表頭的零位處是∞,其附近的刻度非常密,分辨率很低。整個刻度是非線性的。又由于測量不同的電阻時,其電壓V也會有些變化,所以普通的高阻計是精度差、分辨率低。
According to Ohm's law, the measured resistance Rx is equal to the applied voltage V divided by the current I. The traditional working principle of high resistance meter is to measure the voltage V fixed, by measuring the current through the sampling resistor I to get the resistance value. From Ohm's law can be seen as the current I is inversely proportional to the resistance, but not proportional, so is nonlinear resistance display value is infinite resistance when the current is zero, which is zero at the header is infinite, the scale near the very dense, low resolution. The whole scale is nonlinear. And because the measurement of different resistance, the voltage V will also have some change, so the ordinary high resistance meter is the poor accuracy, low resolution.
是同時測出電阻兩端的電壓V和流過電阻的電流I,通過內(nèi)部的大規(guī)模集成電路完成電壓除以電流的計算,然后把所得到的結(jié)果經(jīng)過A/D轉(zhuǎn)換后以數(shù)字顯示出電阻值,即便是電阻兩端的電壓V和流過電阻的電流I是同時變化,其顯示的電阻值不象普通高阻計那樣因被測電壓V的變化或電流I的變化而變,所以,即使測量電壓、被測量電阻、電源電壓等發(fā)生變化對其結(jié)果影響不大,其測量精度很高(),從理論上講其誤差可以做到零,而實際誤差可以做到千分之幾或萬分之幾。
This instrument is the current flowing through the resistor V and the voltage across the resistor I measured at the same time, the large scale integrated circuit to complete the calculation of the internal voltage divided by the current, and then the results obtained after A/D conversion by the digital display of the resistance value, even if the current voltage V and the flow resistance of the two ends of the I is changed at the same time, the resistance value is not displayed as ordinary high resistance meter as a result of changes in the measured voltage or current change of V and I, so even if the measurement voltage, the measured resistance and power voltage change has little influence on the results, the measuring accuracy is very high (patent), according to the theory of the error can do zero, while the actual error can be done a few thousandths or very few.
典型應(yīng)用
Typical application

1.測量防靜電鞋、導(dǎo)電鞋的電阻值
1 measure the resistance value of anti-static shoes and conductive shoes
2、測量防靜電材料的電阻及電阻率
2. Measure the resistance and resistivity of antistatic material
3、測量計算機房用活動地板的系統(tǒng)電阻值
3. Measure the system resistance value of the movable floor of the computer room
4、測量絕緣材料電阻(率)
4, measuring insulation resistance (rate)
5、光電二極管暗電流測量
5, photodiode dark current measurement
6、物理,光學(xué)和材料研究
6, physics, optics and materials research
標準配置:
Standard configuration:

1    測試儀器    臺    1
1 test instrument 1
2    電源線    條    1
2 power cord 1
3    測量線    根    3
3 line root 3
4    使用說明書    份    1
4 instruction manual 1

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