Đồng hồ đo điện trở cách điện SANWA MG5000
- Điện áp thử DC: 250V/500V/1000V/2500V/5000V.
- Dải đo điện trở: 104.9MΩ/1049MΩ/2.09GΩ/104.9GΩ/1199GΩ.
- Dòng ngắn mạch: 3mA～4mA.
- Dải đo điện áp AC/DC: ±30～±1000V.
- Độ chính xác đo dòng điện: ±2% +3dgt.
- Chọn dải đo tự động.
- Cấp bảo vệ IP: IP54.
- Pin: LR14 x 8.
- Kích thước: 188 x 225 x 97mm.
- Trọng lượng: 1750g (bao gồm cả pin).
Features
- This instrument is a High voltage Insulation resistance tester for use in measurement of insulation Resistance of a power line and power equipment within the range of 600V under CAT.IV.
- Test voltage DC5000V/2500V/1000V/500V/250V.
- Insulation Resistance up to 1TΩ.
- Short circuit current up to 4mA
- Dielectric Absorption Ratio (DAR).
- Polarisation Index (PI)
- Auto discharge function.
- Data hold (Auto).
- Auto power save: Power save about 10 minutes after the last operation.
Đặc tính kỹ thuật
| Model | MG5000 | ||||||
| Measuring range | |||||||
| Test Voltage (DC) | 250V | 500V | 1000V | 2500V | 5000V | ||
| Range | 0.0～104.9MΩ | 0.0～99.9MΩ 80～1049MΩ |
0.0～99.9MΩ 80～999MΩ 0.80～2.09GΩ |
0.0～99.9MΩ 80～999MΩ 0.80～9.99GΩ 8.0～104.9GΩ |
0.0～99.9MΩ 80～999MΩ 0.80～9.99GΩ 8.0～99.9GΩ |
80～1000GΩ | 1011～1199GΩ |
| Open circuit voltage | DC250V 0%～+20% |
DC500V 0%～+20% |
DC1000V 0%～+20% |
DC2500V 0%～+20% |
DC5000V 0%～+20% | ||
| Accuracy | ±5%+3 | ±20% | |||||
| Short circuit current | 3mA±0.5mA 3mA～4mA |
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| Voltage measurement | |||||||
| Range | AC: 30～±1000V(50/60Hz) DC: ±30～±1000V | ||||||
| Accuracy | ±2% +3dgt | ||||||
| Measuring method | Average sensing | ||||||
| Display | 1200 counts | ||||||
| Range selection | Auto range | ||||||
| LCD | Bar graph: 36 points / DAR/PI value: 9.99 / Timer : 99:59(min : sec) | ||||||
| Over display | DC voltage function: 'O.L' is displayed and buzzer sounds Insulation function: 'O.L' is displayed |
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| Sampling rate | 3 times / sec | ||||||
| Accuracy assurance temperature / humidity |
23±5℃ 75%RH or below No condensation |
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| Operating temperature / humidity | 0℃～40℃ 85%RH or below No condensation | ||||||
| Storage temperature / humidity | -10℃～60℃ 90%RH or below No condensation | ||||||
| Operating environment | Altitude 2000m or less, environmental pollution degree II | ||||||
| Power consumption | Approx. 10.8W(At 5000V/5MΩ range) | ||||||
| Battery consumption | 4 steps display 'bAtt' mark lights when the internal battery's power is below approx. 7.5V | ||||||
| Safety standards | IEC61010-1 CAT.III 1000V/CAT.IV 600V IEC61010-2-030, IEC61010-031, IEC61557-1,2 |
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| IP rate | IP54 | ||||||
| Battery | LR14 x 8 | ||||||
| Size | H188 x W225 x D97mm | ||||||
| Weight | 1750g | ||||||
- Xuất xứ Trung Quốc.
- Bảo hành: 12 tháng.
