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Zhejiang Ningbo Jiangbei District No. 58, Lane 225, Kaiyuan Road, Hongtang Industrial Zone C
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Ningbo Ruike Weiye Instrument Co., Ltd
FT-332 ordinary block resistance tester
NegotiableUpdate on 05/26
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Overview
FT-332 ordinary block resistance tester
Product Details
FT-332 ordinary block resistance tester
Reference standard:
1. The standard for measuring the resistivity of silicon wafers (ASTM F84)
2. GB/T 1551-2009 "Method for determination of resistivity of silicon single crystals"
3. GB/T 1551-1995 "Determination of resistivity of silicon and germanium single crystals using direct current two probe method"
4. GB/T 1552-1995 "Determination of resistivity of silicon and germanium single crystals by direct current four probe method"
Dual electric combination testing method:
Using the transformation of current probes and voltage probes, two electrical measurements are taken, and the data is analyzed by double electrical measurement to solve the influence of sample geometric dimensions, boundary effects, probe misalignment, and mechanical drift on the measurement results. It is suitable for testing micro areas with oblique four probes.
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Specification type |
FT-332 |
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1. Range of block resistance |
10-4～2×105Ω/□ |
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2. Range of resistivity |
10-5～2×106Ω-cm
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Test current range
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10μA，100µA，1mA，10mA，100mA |
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4. Current accuracy |
±0.2%
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5. Resistance accuracy |
≤0.3% |
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6. Display reading |
LCD display: resistance, resistivity, square resistance, temperature, unit conversion, temperature coefficient, current, voltage, probe shape, probe spacing, thickness, conductivity |
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7. Testing method |
Ordinary single electrical measurement |
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8. Working power supply |
Input: AC 220V ± 10%. 50Hz Power consumption:<30W |
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9. Error |
≤ 4% (standard sample result) |
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10. Selection function |
Choose 1. PC software; Choose 2. Square probe; Choose 3. Linear probe; Purchase 4. Testing Platform; 5. Standard resistance |
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11. Test probe |
Probe spacing selection: 1mm; 2mm; Three specifications of 3mm; Probe material selection: tungsten carbide needle; White steel needle; Gold plated phosphor copper hemispherical needle |
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