ZST-121橡膠體積電阻率測試儀
符合標準:
GB/T 1410-2006《 固體絕緣材料體積電阻率和表面電阻率試驗方法》
ASTM D257-99《絕緣材料的直流電阻或電導試驗方法》
GB/T 10581-2006 《絕緣材料在高溫下電阻和電阻率的試驗方法》
GB/T 1692-2008 《硫化橡膠 絕緣電阻率的測定》
GB/T 2439-2001《硫化橡膠或熱塑性橡膠 導電性能和耗散性能電阻率的測定》
GB/T 12703.4-2010 《紡織品 靜電性能的評定 第4部分:電阻率》
GB/T 10064-2006_《測定固體絕緣材料絕緣電阻的試驗方法》
GB/T 22042-2008《服裝 防靜電性能 表面電阻率試驗方法》
EN 1149-1-1995 《防護服 靜電性能 第1部分表面電阻檢驗方法和要求》
GB/T 1410-2006《固體絕緣材料體積電阻率和表面電阻率試驗方法》(與標準IEC93-1980等效)
FZ/T 64013-2008 《靜電植絨毛絨》
SJ/10694-2006《電子產(chǎn)品制造與應(yīng)用系統(tǒng)防靜電檢測通用規(guī)范》6.1
一、概述
本儀器既可測量高電阻,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。數(shù)字液晶直接顯示電阻值和電流。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10V/50V/100V/250V/500V/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. 適用于橡膠、塑料、薄膜、地毯、織物及粉體、液體、及固體和膏體形狀的各種絕緣材料體積和表面電阻值的測定。
二、主要特點
電阻測量范圍寬 1×104Ω ~1×1018Ω
電流測量范圍為 2×10-4A ~1×10-16A
體積小、重量輕、準確度高
電阻、電流雙顯示
性能好穩(wěn)定、讀數(shù)方便
所有測試電壓(10V/50V/100/250/500/1000V) 測試時電阻結(jié)果直讀,免去老式高阻計在不同測試電壓下或不同量程時要乘以系數(shù)等使用不便的麻煩,使測量超高電阻就如用萬用表測量普通電阻樣簡便。既能測超高電阻又能測微電流
三、技術(shù)指標
1、電阻測量范圍: 0.01×104Ω ~1×1018Ω。
2、電流測量范圍為: 2×10-4A~1×10-16A
3、顯 示 方 式:數(shù)字液晶顯示
4、內(nèi)置測試電壓: 10V 、50V、100V、250、500、1000V
5、基本準確度:1% (*注)
6、使用環(huán)境: 溫度:0℃~40℃,相對濕度<80%
7、機內(nèi)測試電壓: 10V/50V/100/250/500/1000V 任意切換
8、供電形式: AC 220V,50HZ,功耗約5W
9、儀器尺寸: 285mm× 245mm× 120 mm
10、質(zhì)量: 約5KG
四、工作原理
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。
本儀器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。
典型應(yīng)用
1、測量絕緣材料電阻(率)
2、測量防靜電材料的電阻及電阻率
3、測量計算機房用活動地板的系統(tǒng)電阻值
4、測量防靜電鞋、導電鞋的電阻值
5、光電二極管暗電流測量
6、物理,光學和材料研究
標準配置:
1、測試儀器:1臺
2、電源線:1條
3、測量線:3根(屏蔽線、測試接線、接地線)
4、使用說明書:1份
備注:
本儀器配不同的測量電極(夾具)可以測量不同材料(固體、粉體或液體)的體積電阻率和表面電阻率或電導率,*符合標準GB1410-2006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,ASTM D257 絕緣材料的直流電阻或電導試驗方法 等標準要求。
Meet the standard:
GB/T 1410-2006 "solid insulating materials volume resistivity and surface resistivity test method"
DC resistance or conductance of insulating materials test method "ASTM D257-99"
Test method GB/T 10581-2006 "insulation resistance at high temperature and resistivity"
Determination of 1692-2008 vulcanized rubber insulation resistivity of "GB/T"
GB/T 2439-2001 "rubber vulcanized or thermoplastic conductive properties and energy dissipation performance determination of resistivity"
GB/T 12703.4-2010 "textile static performance evaluation of fourth parts: the resistivity"
GB/T 10064-2006_ "determination of solid insulation resistance of insulation materials test method"
GB/T 22042-2008 "garment test methods for the prevention of electrostatic properties of surface resistivity"
EN 1149-1-1995 "protective clothing electrostatic properties of the first part surface resistancetest methods and requirements"
GB/T 1410-2006 "solid insulating materials volume resistivity and surface resistivity (test methods" and the international standard IEC93-1980 equivalent)
FZ/T 64013-2008 "plush" electrostatic flocking
SJ/10694-2006 "electronic product manufacturing and application of anti electrostatic detect*tem general specification" 6.1
One, overview
This instrument can measure high resistance, and micrometer current. Using large scale integrated circuit USA In company, so that the instrument has the advantages of small volume,light weight and high accuracy. Digital LCD display directly the resistance value and the current.Range from 1 * 104 to 1 * 1018 Omega Omega, is currently the most wide measuring range,digital with the highest accuracy of ultra high resistance measuring instrument. Currentmeasuring range of 2 * 10-4 to 1 * 10-16A. The built-in test voltage 10V/50V/100V/250V/500V/1000V adjustable. The instrument has high precision, good stability,showing rapid, convenient reading. All apply to rubber, plastics, film, carpets, fabrics andpowder, liquid, and solid and pasty insulating material shape determination of volume and surface resistance value.
Two, the main features
Resistance of wide measurement range of 1 * 104 ~ 1 * 1018 Omega Omega
Current measuring range of 2 * 10-4A to 1 * 10-16A
Small volume, light weight, high accuracy
Resistance, current double display
Good performance stability, easy reading
All voltage test (10V/50V/100/250/500/1000V) resistance test results when direct reading, fromold high resistance meter in different test voltage or different range should be multiplied by the coefficient etc. use inconvenience trouble, ultra high resistance as measured with a multimetercommon resistance like simple measurements enable. Not only can measure high resistanceand current super micrometer
Three, technical indicators
1, resistance measuring range: 0.01 * 104 to 1 * 1018 Omega omega.
2, the current measuring range: 2 * 10-4A to 1 * 10-16A
3, the display mode: Digital LCD display
Built in 4, the test voltage: 10V, 50V, 100V, 250, 500, 1000V
5, basic accuracy: 1% (note)
6, the use of the environment: temperature 0 to 40 DEG C, relative humidity <80%
7, the built-in test voltage: 10V/50V/100/250/500/1000V arbitrary switching
8, the power supply form: AC 220V, 50HZ, power consumption is about 5W
9, the instrument size: 285mm x 245mm x 120 mm
10, quality: about 5KG
Four, the principle of work
According to Ohm's law, the resistance being measured Rx is equal to the applied voltagedivided by current V by I. The working principle of the high resistance meter is the traditionalmeasuring voltage V fixed, by measuring the current flowing through the sampling resistor I toobtain 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 resistive display value, i.e.,infinite resistance, current is zero, i.e. zero at the header is infinity, scale near the very dense,with a low resolution. The scale is nonlinear. Because the resistance measurement of differentvoltage, the V will also be some changes, so the high resistance of ordinary gauge is poor accuracy and low resolution.
This instrument is the current flowing through the resistor V and a voltage across the resistor Imeasured at the same time, the large scale integrated circuit internal to complete the calculation of voltage divided by current, then put the results obtained after A/D conversion to digital displayresistance, even current voltage V and the flow resistance at both ends of the I is changed at the same time. The resistance of the display value is not like an ordinary high resistance meteras the voltage to be measured changes in V or I current change and change, so, even if themeasure voltage, measure resistance, power supply voltage change has little influence on theresults, the measuring accuracy is very high (patent), theoretically the error can be to achieve zero, while the actual error can do a few thousandths or very few.
Typical applications
Insulation resistance 1, measurement (rate)
2, measurement of anti electrostatic material resistance and resistivity
3, measurement of computer room with movable floor system resistance value
Resistance of 4, measurement of anti-static shoes, conductive shoes value
5, photoelectric diode dark current measurement
6, physics, optics and material research
Standard configuration:
1, test equipment: 1 sets
2, the power line: 1
3, measuring line: 3 (shielding wire, test wiring, grounding wire)
4, instructions for use: 1
Note:
The apparatus with different measuring electrode (fixture) can measure different materials(solid, powder or liquid) of the volume resistivity and surface resistivity or conductivity, fully meet the national standard GB1410 - 2006 solid electrical insulation insulation resistance, volume resistivity and surface resistance test method of material, ASTM D257, DC resistance or conductance of insulating materials test methods the standard requirements.