Testing Equipment
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Roughness Measuring Instrument |
Technical Parameters: Measurement parameters: Ra, Rz, Rq, Rt Measuring range: Ra:0.025-12.5μm Display range: Ra, Rq: 0.005-16μm, Rz, Rt: 0.02-160μm Measuring range: ±20μm, ±40μm, ±80μm Maximum display resolution: 0.001μm |
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laser interferometer |
Technical Parameters: System accuracy: ±0.5ppm (0~40 ℃ the whole working environment range) Laser frequency stabilization accuracy: ±0.05ppm Resolution: 0.001um Maximum measurement speed: 4.0m/sec Maximum sampling frequency: 50KHz Measuring range: 0 - 80 meters Shorter warm-up time: ~6 minutes |
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Laser Interferometer (2) |
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Laser Interferometer (3) |
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Electronic Level (Alderson) |
Technical indicators: Display range: 0～±2000 (number); Measuring range: ≤±500 (number); Graduation value: I file = 0.01mm/m, II file: 0.001mm/m; Indication error: ≤±(1+A/50) (A is the absolute value of the punctuated nominal value); Stability: ≤6 numbers/4h, 3 numbers/h{11 files}; Display stabilization time: ≤10 seconds; Zero adjustment range: >±400{number}; Verification condition: 20±2℃0.5℃ |
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Electronic Level |
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Inductance measuring instrument (1) |
Measuring range, division value and indication error Unit: μm
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Inductance measuring instrument (2) |
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No. 8, Tonghua Road, Huashan Town, Licheng District, Jinan City
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