DC Voltage Divider Calibration Device is composed with NRPD Series DC Standard Voltage Divider and ZGF-GW Series High Stability DC High Voltage Generator.
NRPD Series DC Standard Voltage Divider also known as high precision DC voltage divider, it is developed as a standard measurement equipment for calibrating DC voltage divider (digital high voltage meter) in high voltage measurement department or high voltage testing institute or high voltage measurement company. It can be used to test the high voltage divider with accuracy of 0.2%, 0.5%, 1%, 1.5% or lower accuracy of the electrostatic voltage meter, etc. Due to its high accuracy, it can measure relatively small changes in DC voltage, providing a reliable measure for analyzing various materials or measuring voltages or calibrating various voltages.
Overview
Models
| Specification | NRPD-30 | NRPD-50 | NRPD-100 | NRPD-200 | NRPD-300 | NRPD-400 | NRPD-500 | NRPD-800 | NRPD-1000 | NRPD-1200 |
| DC rated voltage (kV) | 30 | 50 | 100 | 200 | 300 | 400 | 500 | 800 | 1000 | 1200 |
| Impedance (MW) | 30 | 50 | 100 | 200 | 300 | 400 | 500 | 800 | 1000 | 1200 |
| Voltage Ratio | 105:1 104:1 | |||||||||
| Accuracy (%) | 0.1%/0.05%/0.02% | 0.1%/0.05%/ | ||||||||
| Annual stability | ≤ 0.02% | |||||||||
| Temperature | 20℃±10℃ | |||||||||
| Relative humidity | <80%RH without condensation | |||||||||
| Dielectric | Insulation oil | |||||||||
| Height (m) | 0.4 | 0.6 | 0.9 | 1.7 | 2.3 | 3.2 | 4.5 | 6 | 8 | 10 |
| Length * Width | 0.3 | 0.5 | 0.5 | 0.8 | 1.2 | 1.5 | 1.8 | 2.5 | 3 | 3.5 |
| Weight (kg) | 25 | 35 | 45 | 165 | 235 | 275 | 335 | 450 | 550 | 650 |
| Output impedance (kW) | 0.6/6 | 1/10 | 2/20 | 4/40 | 6/60 | 8 | 10 | 16 | 20 | 24 |
| Rated output voltage (V) | 0.3/3 | 0.5/5 | 1/10 | 2/20 | 3/30 | 4 | 5 | 8 | 10 | 12 |
2 ZGF-GW Series High Stability DC High Voltage Generator
| Rated output DC voltage | 200kV (other voltage can be customized) |
|
Voltage is continuously adjustable in three levels 1 0 ~ 50kV 2 0 ~ 100kV 3 0 ~ 200kV |
|
| Rated output DC current | 4mA |
| Rated output power | 800W |
| Height of volage barrel | 1.83m |
| Power supply | AC220V± 10%50Hz |
| Voltage measurement error |
Digital display meter: ±0.5% 1 digit Analog meter: ±2% (full scale) |
| Current measurement error |
Digital display meter ±1% 1 digit Analog meter: ±2% (full scale) |
| Over-voltage setting error | £1% (full scale) |
| Ripple factor | ＜0.1% |
| Voltage adjustment rate: | £ 0.05% when the power supply voltage changes ±5% |
| Voltage stability | Warm up for 5 minutes after starting the machine. The test time for each point is 30 minutes and samples are taken at 0.5-minute intervals. £ 0.05% |
|
1st gear: 10～20kV 2nd gear: 20～100kV 3rd gear: 40～200kV |
|
| Operation mode | Intermittent use: rated load 60 minutes |
| Ambient temperature | -15 ~ 50℃ |
| Relative humidity | £ 80% (no condensation) at 25 ℃ |
| Altitude: ≤ 1500m | £ 1500m |
| Weight of controller | 18kg |
| Weight of voltage barrel |
75kg |
