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50kv high precision high voltage digital meter 100kv high accuracy AC DC high voltage divider HV digital voltmeter
I. High voltage divider introduction
High precision voltage divider is composed of high stability passive resistive voltage divider and high precision digital KV meter. The voltage divider is passive resistive and capacitive, and the digital KV table is connected with coaxial cable. The digital KV table can display DC, AC RMS (RMS), AC peak (PEAK) and peak /√2.
This instrument has high precision, convenient operation and other advantages. It also can replace electrostatic voltmeter. It is suitable for field measurement of power system and AC-DC high voltage measurement in laboratory of colleges and universities
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II. Features
- Structure: Oil type, can be movable.
- it can be continue duty working type for 60 mins under rated voltage and suitable using conditions.
- over-current protection function ; under 110% rated current, it can do continue work for 3 mins, the divider winding will not cause thermal damage and winding deformation.
- Over-voltage protection function: under 110%UH,it can do continue work for 5min,the divider voltage will be not damaged
III. Technical Parameter
- Rated voltage: 400kV
- Nominal high-voltage arm capacitance: 400pF
- Nominal high-voltage arm capacitance : 1.6uF
- Nominal high voltage arm resistance: 800MΩ
- Nominal low voltage arm resistance: 200kΩ
- Voltage division ratio :4000:1
- Measuring accuracy: AC:1.0, DC:0.5.
- Dielectric loss: 0.2%.
- Frequency :50-150 Hz
- Cooling method :ONA
IV. Digital Multi-functional AC /DC Voltmeter Peak
1. Brief introduction
Digital multi-functional AC/DC voltmeter 19 inches for standard peak interpolation box and two 4U inserted box structure design and automatic distinguish with ac signal measurement, and keep high peak, the breakdown limit rapid protection functions, 0.2/0.5 accuracy. Its appearance chart is as follows:
2. Technical Parameter
LCD monitor prompt | Prompt representative meanings |
AC | Input signal for ac signal |
DC | Input signal for dc signal |
PEAK/
| Ac signal peak/value |
RMS | RMS AC signal |
PEAK | Signal peak |
AVR | Dc signal average |
RRATIO | DC pulse ratio |
ON | Breakdown function open |
OFF | Breakdown function closed |
HODE <ON> OFF | To maintain the breakdown open and close the window |
K1(AC) SET | Exchange pressure than Settings |
K2(DC) SET | Direct pressure than Settings |
OVER VOL SET | High-voltage protection limit setting |
V. More parameters for such series
| Model | HMFRC-50 | HMFRC-100 | HMFRC-200 | HMFRC-300 | HMFRC-400 | |
| Measuring voltage Range | 0~50kV | 0~100kV | 0~200kV | 0~300kV | 0~400kV | |
| Rated voltage | DC | 50kV | 100kV | 200kV | 300kV | 400kV |
| RMS | 50kV | 100kV | 200kV | 300kV | 400kV | |
| Peak | 71kvP | 142kvP | 283kvP | 424kvP | 566kvP | |
| Partial pressure ratio (Load Impedance 1MΩ 500PF) | 500:1 | 1000:1 | 2000:1 | 3000:1 | 4000:1 | |
| Voltage divider Input Impedance | 200MΩ 500PF | 400MΩ 500PF | 800MΩ 300PF | 1200MΩ 300PF | 1600MΩ 300PF | |
| Measurement accuracy of KV table | DC(DC) | ±(0.5%+2 digits) | ||||
| AC(AC) | ±(1%+2 digits) | |||||
| Average | ±(1%+2 digits) | |||||
| Peak/ 2 | ±(1%+2 digits) | |||||
| Peak | ±(2%+2 digits) | |||||
| Display | 4-digit LCD display | |||||
| Input | Impedance: 1MΩ Level signal: 100V | |||||
| Power supply | AC power 220V 50Hz | |||||
| Voltage divider | Φ110×480 | Φ110×720 | Φ110×1000 | Φ110×1450 | Φ120×2200 | |
| Weight(kg) | 5 | 8 | 15 | 25 | 40 | |
| Total weight(kg) | 10 | 15 | 25 | 40 | 60 | |
| More specification can be customized | ||||||
VI. Paking List
1. Divider : 1pc
2. Multimeter : 1pc
3. Grounding wire: 1pc
4. Signal wire: 1pc
5. Manual: 1pc
6. Testing report : 1pc
VII. Related products
