Specifications
| Measurement mode | 2-Line method/3-line method |
| Measurement range of ground Voltage | 0~200V |
| ground Voltage error | ±2%±5dgt |
| Resolution | 0.1V |
| Measurement range of grounding resistance | 20Ω : 0 ~ 19.99Ω；200Ω : 2 ~ 199.9Ω；2000Ω : 20 ~ 1999Ω |
| Grounding resistance error | ±（2.0%+0.1Ω）；±（2.0%rdg+3dgt）；±（2.0%+3dgt）； |
| Grounding resolution | 0.01Ω~1Ω |
| Response time | Ground resistance: about 5 seconds; ground Voltage: about 2 seconds |
| Application standard | 1:IEC 61010-1 overVoltage CAT 330V PollutionDegree 2；2:IEC 61010-2-31；3:lEC 61557-1,5；4:IEC 60529(IP54) |
| Continuous measurement | Continuous measurement of all gears |
| insulation resistance | 500V wire to rubber shell ≥ 5MΩ |
| withstand Voltage | Wire to rubber shell 1500V AC 1 minute without jumping |
| Overload protection | Ground resistance range: 200V AC in (10 seconds); ground Voltage range: 300V AC in (30 seconds) |
| Environmental temperature | 0~40 ℃ (Humidity ≤ 85% RH) |
| Environmental temperature storage | -20~60 ℃ (Humidity ≤ 90% RH) |
| backlit display | Yes. |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/45897/Specification.html , which is only used by users who purchase commodities from the NBCHAO.