Đồng hồ đo điện trở đất SANWA PDR302
- Điện trở đất: 10/100/1000Ω ±2.5 %
- Điện áp đất: 30V
- Pin: R6P (1,5V) x 6
- Kích thước: 175x118x55mm.
- Trọng lượng: 500g.
Features
This meter is a portable digital earth tester for the inspection and maintenance of electrical construction work.
Phase detection system circuit for high precision measurement
- AC 30V range to avoid indication errors caused by leak current that flows to the earth.
- Power saving design with push switch.
- Auxiliary grounding value excess indicator lamp.
Đặc tính kỹ thuật
| Model | PDR302 |
| Function | Measuring range |
| Earth resistance(Ω) measuring range |
10/100/1000Ω ± 5 % of full scale for Ω x 1 |
| ACV (leakage voltage) measuring range |
0～30V Accuracy: ± 2.5% of full scale |
| Auxiliary grounding value alarm | LED lights at approx. 10kΩ or more |
| Display | Analog |
| Measuring method | Constant-current system(tripolar & bipolar) |
| Guaranteed accuracy | 15℃～35℃, below 80%RH No condensation |
| Operating temperature / humidity | 0℃～40℃, below 80%RH No condensation |
| Battery | R6(SUM-3) x 6 |
| Battery alarm | Blinking LED, approx. 6.5V operating voltage (LED normally lights during measurement) |
| Size | H175 x W118 x D50mm |
| Weight | 500g |
- Xuất xứ Nhật Bản.
- Bảo hành: 12 tháng.
