Research and development of four probe tester-Fornitore globale

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18157427375,13806673976，18157427371
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No. 58, Lane 225, Kaiyuan Road, Hongtang Industrial Zone C, Jiangbei, Ningbo, Zhejiang

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Research and development of four probe tester

summary: Four probe method, capable of measuring resistance ranging from micro ohms to megaohms, controlled by an AD chip, with constant current outpu

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oneOverview:

Four probe method, capable of measuring resistance ranging from micro ohms to megaohms, usingAD chip control, constant current output, PC software operation, automatic data measurement and coefficient correction, direct reading of square resistance, resistance, resistivity, and conductivity data; Chinese or English language version; Has shielding function; Refer to the American A.S.T.M standard.Physical testing methods for monocrystalline silicon

Research and development of four probe tester

twoScope of application:

1. Conductive new materials, aluminum foil, copper foil, aluminum coating, carbon fiber materials, electrode materials;

2. Research on general coating materials, films, and thin film substrates

3. Universities, research institutes, and R&D departments conduct research on the wide range resistivity or conductivity properties of new materials

threeParameter information:

Specification and model	FT-3671A Economic Type	FT-3671B Automatic Type
1. Range of block resistance	10^6～2×10^7Ω/□
2. Range of resistivity	10^7～2×10^8Ω-cm
3. Test current range	1A、100mA、10mA、1mA、100uA、10uA、1uA、0.1uA, 100nA ,10nA , 1nA
4. Current accuracy	1A、100mA、10mA、1mA、100uA、10uA、1uA、0.1uA±0.1%; 100nA ,10nA , 1nA±2%
5. Resistance accuracy	10^2ΩThe following ranges≤0.5%;10^2ΩThe above range≤10%;
6. PC software interface operation	PC software interface display: resistance, resistivity, square resistance, conductivity, temperature, unit conversion, temperature coefficient, current, voltage, probe shape, probe spacing, thickness, process map, report generation
7. Testing method	manual measurement	automatic measurement
8. Working power supply	Input: AC 220V±10%.50Hz power consumption:<100W
9. Error	small range≤4%(Standard sample results); large range≤10%
10. Calibration method	Standard resistors and standard samples
11. Test probe	Probe spacing selection: 2mm； Two specifications of 3mm; Probe material selection: tungsten carbide needle, gold-plated phosphor copper hemispherical needle

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