On-Load Tap Changer Tester Quotation
Darui Electric recommends for you:
Instrument Parameters
1. Three independent test power supplies, maximum output current 0.5A;
2. The instrument sets the sampling rate to 10-20 kHz;
3. Maximum storage time for a single waveform is 6.4 seconds.
4. Transition resistance measurement range: Y/0 type transformer 1-40Ω,
Y type transformer 1-20Ω.
5. Measurement accuracy: 1-5Ω, Δ=±10%
5-40Ω, Δ=±5%
6. Time and synchronization error: Δ≤±1%.
7. Display: 240×128T, T6963C controller;
8. Printer: MP-40-8 panel-mounted front paper-loading printer;
9. Processing section:
80C320 high-speed 8-bit microprocessor. Program memory 32K;
Power-off data retention memory 512K bytes;
High-speed A/D converter, maximum sampling rate up to 400 kHz;
10. Power supply: 220V ±10%, power ≤200W.
11. Dimensions: 410mm×320mm×200mm.
12. Weight: ≤5kg
Technical Specifications
1. Three-phase constant current output is 1A each
2. Transition time measurement: accuracy 0.1ms
3. Transition resistance measurement: accuracy 0.1Ω±5%R
4. Transition resistance measurement range: ≤25Ω
5. Transition time measurement range: <120ms
6. Three-phase synchronization: accuracy 0.1ms
7. Display three-phase waveform: accuracy 0.3ms
8. Ambient temperature: -10℃～50℃
9. Working power supply: AC220V±10% 50HZ
10. Display mode: LCD320×240 large screen liquid crystal display
11. Instrument dimensions: 360mm×260mm×150mm
12. Weight: 4.5 kg
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
