Đồng hồ đo điên trở cách điện Hioki- Nhật Bản IR4057-20 (1000V/4000MΩ)
Thông số kỹ thuật:
Hãng sản xuất: Hioki- Nhật Bản
Xuất xứ: Nhật Bản
Bảo hành: 12 Tháng
Điện áp thử: 50, 125, 250, 500, 1000 VDC
Gải đo: 100, 250, 500, 2000, 4000 MΩ
Cấp chính xác: ±4% rdg.
DCV: 4.2V (0.001V) đến 600V (1V)
Cấp chính xác: ±1.3% rdg. ±4 dgt
ACV: 420V (0.1V) / 600V (1V)
Cấp chính xác: ±2.3% rdg. ±8 dgt.
Điện trở: 10 Ω (0.01 Ω) đến 1000 Ω (1 Ω)
Cấp chính xác: ±3 % rdg. ±2 dgt
Hiển thi:: Semi-transmissive FSTN LCD with back lighting, bar-graph indicator
Response time: Approx. 0.3 second for PASS/FAIL decision
Chức năng khác: Indicate MΩ measurement value after a lapse of one minute, Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save
Nguồn cung cấp: LR6 (AA) alkaline batteries × 4 Continuous use
Kích thước, trọng lượng:159 mm W × 177 mm H× 53 mm D, 640 g
Phụ kiện kèm theo: Dây đo L9787 ×1, dây đeo ×1, Hướng dẫn sử dụng ×1, 4 pin LR6 (AA)
5-Range, 50 to 1000V Digital Insulation Resistance Tester with Continuity Check
Hioki insulation resistance testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4057-20 is a 5-range, 50V to 1000V digital insulation resistance tester with bargraph, and delivers efficient functions and features to help shorten work time associated with field insulation testing.
| Rated output voltage | 50 VDC | 125 VDC | 250 VDC | 500 VDC | 1000 VDC |
|---|---|---|---|---|---|
| Effective maximum indicated value | 100 MΩ | 250 MΩ | 500 MΩ | 2000 MΩ | 4000 MΩ |
| Accuracy 1st effective measuring range MΩ | ±2 % rdg. ±2 dgt. 0.200 – 10.00 |
±2 % rdg. ±2 dgt. 0.200 – 25.0 |
±2 % rdg. ±2 dgt. 0.200 – 50.0 |
±2 % rdg. ±2 dgt. 0.200 – 500 |
±2 % rdg. ±2 dgt. 0.200 – 1000 |
| Lower limit resistance | 0.05 MΩ | 0.125 MΩ | 0.25 MΩ | 0.5 MΩ | 1 MΩ |
| Overload protection | AC 600 V (10s) | AC 1200 V (10s) | |||
| DC voltage measurement | 4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges, Accuracy: ±1.3% rdg. ±4 dgt., Input resistance: 100 kΩ or higher |
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| AC voltage measurement | 420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz, Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier |
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| Low resistance measurement | For checking the continuity of ground wiring, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy: ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 Ω or less) | ||||
| Display | Semi-transmissive FSTN LCD with back lighting, bar-graph indicator | ||||
| Response time | Approx. 0.3 second for PASS/FAIL decision (at Hioki’s conditions) | ||||
| Other functions | Indicate MΩ measurement value after a lapse of one minute, Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save | ||||
| Power supply | LR6 (AA) alkaline batteries × 4, Continuous use: 20 hours (at Hioki’s conditions) Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage) |
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| Dimensions and mass | 159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 640 g (22.6 oz) (including batteries, excluding test leads) | ||||
| Accessories | Test Lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 | ||||
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