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美國辛普森泄露電流測試simpson-228，測試危險的交直流泄露電流，滿足的UL, IEC, and ANSI相關規定，產地：美國，*。
美國辛普森泄露電流測試simpson-228特點：
Simpson-228模擬三個級別人體反應，每個完整儀器包括：測試引線，鱷魚夾，手冊，電池
檢測電氣或電子設備的導電表面上存在的危險交直流泄漏電流。
滿足新的規范：IEC, ANSI, and UL
模擬三種人體接觸級別：Reaction, Let-Go and Unweighted Burn Hazard
電池供電
測試參數：
| Equivalent measuring instrument load | |
| Reaction Response Network | 1 MΩ - 10pF |
| Let-Go Response Network | 1 MΩ - 62pF |
| Unweighted Burn Hazard Response Network | 1 MΩ - 1pF |
| Ranges | |
| Reaction Response Network | .3, 1, 3, 10 M.I.U. |
| Let-Go Response Network | .3, 1, 3, 10 M.I.U. |
| Unweighted Burn Hazard Response Network | 0-100 mA RMS |
| Meter accuracy | ±2% F.S. @ 60 Hz |
| Meter frequency response | |
| DC to 1 Hz | Pointer shall track within 5% of peak |
| 15 Hz to 200 KHz | ±2% of F.S. |
| 200 KHz to 1 MHz | ±2% F.S., ±2% F.S., ±5%F.S. |
| Output | |
| Sensitivity | Full scale meter indication equals 1Ω RMS (Measured with a 1 MV, 12 pF load) |
| Accuracy | ±2% of reading @ 60 Hz |
| Output frequency response | |
| Type | 0.52" (13.2mm) Diameter Electret Condenser, Omnidirectional 70° angle of incidence. Maximum sound pressure level 148dB |
| Display | |
| DC to 1Hz | ±2% of reading |
| 50 Hz to 100 KHz | ±2.5% of reading, 2%/-3% of reading, ±2% of reading |
| 100 kHz to 1 MHz | ±5% of reading |
| Voltmeter | |
| Range | 0-300 V (AC or DC) |
| Accuracy: DC to 1 Hz | Pointer shall track within 5% of peak |
| Accuracy: 20 Hz to 1KHz | ±3% F.S. @ 60 Hz |
| Frequency response | DC to 1 KHz |
| General | |
| Power requirements | (2) 9V (NEDA 1604A) batteries |
| Physical | 7" x 5.25" x 3", 2-1/2 lbs (1.4kg), ABS plastic, fused input |
| Environmental | 27°C ±2°C, 70% noncondensing relative humidity. Outside this range derate by 10% per °C |
| Maximum operating range | 0° to 40° C |
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