Customization: | Available |
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Instrument accuracy: | 0.1 |
Built in meter accuracy: | 0.1 |
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This instrument is suitable for the inspection of all kinds of single-phase watt-hour meters below 1.0 and below. It is favored by the majority of users due to its luxurious appearance, exquisite craftsmanship, perfect functions and excellent performance.
1. Built-in digital multiple function standard meter with Integrated structure of meter and power source, electrical parameters can be read via software
2. adopts DDS technology, CPLD and RAM embedded system, featured with high stability of signal source output, small fineness, low distortion
3. RAM system large color LCD display, massive information can be seen directly through screen
4. use PWM digital power amplifier with above 90% efficiency and 300KHz carrier frequency, to have advantages of low distortion, little heating, high efficiency
5. Perfect protection function: voltage short circuit alarm, open circuit and over load alarm
6. Built-in OCXO for 50KHz high precision impulse output, which can be used to calibrate energy meter clock, also can test day error/hour segment error when matching with meter calibration software (optional)
7. With 485 communication interface, can do various communications test for universal meters (optional)
Technical Indicators
1. Instrument accuracy level: 0.1
Built in meter accuracy level: 0.1
2. Output voltage: 0~280V
Rated voltage range: 100V~240V (any value can be set)
Regulation amplitude: 0~120% each gear
Regulation fineness: better than 0.01%
Built-in 3 terminal independent voltage circuit, each terminal output capacitance ≤15VA
3. Output current: 0.025A,0.1A,1A,5A,25A,100A
Regulation range: 0~120% continuously adjustable
Regulation fineness: better than 0.01%
Minimum output current: 5mA accuracy: ≤0.5%
4. Output power: voltage circuit ≤100VA, current circuit ≤180VA
5. Stability of output voltage current power : ≤0.05%/120S PF=1
6. Output voltage current waveform distortion: ≤ 0.5%
7. Frequency range: 45Hz~65Hz regulation fineness: 0.1Hz
8. Phase range: -180.0° ~180.0°regulation fineness: 0.1°
9. Indicating instrument accuracy level: voltmeter,ammeter ±0.2%
Phase meter accuracy ±0.3°
Frequency meter accuracy: ±0.1Hz
10. Meter numbers: 1 - 6 pcs
11. Standard crystal oscillator: 2×10-7 (optional)
12. Power supply: AC 220V±10%~50Hz
13. Maximum power consumption: 300VA
14. Working environment: temperature 20ºC±5ºC relative humidity≤85%
15. Size and weight: 450×156×500 mm, 20Kg