Key Features
- phases 3
- Accuracy class 0.02
- Output power U 3x 500 VA
- Voltage generation max. 320V (AC) 320V (DC)
- Output power I 3x 2000 VA
- Power generation max. 160 A (AC)
- Test value generation for max. 20 measuring stations
- Fully electronic voltage and current generation, independent from mains.
Built-in reference standard meter connected directly to the test circuit. - PC-controlled system with real-time display of:
o Test voltage & current
o Meter errors - Individual error display at each test position.
Tests Capability
- Pre-warming.
- Accuracy testing of energy meters.
- Starting Current Test.
- Creep Test.
- Influence quantity test as per IEC 62053-11,21, 22,23,24, EN 50470-1:2006, EN 50470-3:2006 (which are mainly linked with accuracy test).
- Dial test/Register test.
- Influence of self-heating.
- Influence of heating test ” Additional calibrated thermometer is required from local market (provided by the customer) to perform this test”.
- Harmonics generations (Harmonics up to 2nd to 40th for voltage amplifier and up to 2nd to 40th for current amplifier)
- Sub-Harmonics and even/ odd Harmonics generation.
- Influence of supply voltage: “Voltage interruption /voltage dips / severe voltage variation” test.
- Absolute measurement or Testing of reference meter
- Immunity of earth fault.
- No load condition test.
- Meter constant test.
- Absolute measurement or testing reference meter up to class 0.05.
Components
- EPZ303, test counter
- FG301, frequency generator
- VI201, current amplifier
- VU221, voltage amplifier
- switch cabinet
- Fan unit with control
- main switch
Power Supply
- Direct connection to unstabilized mains:
- 3 × 230/400 V ±10–15%, 50 Hz ±2%
- Adaptable to other voltages or 60 Hz systems upon request
Applications (Use Cases)
Use in stationary ZERA meter testing equipment
Official Product Data Provided by our Partner:
ZERA Meter Testing Systems
ZERA develops, manufactures, and distributes devices and systems for the generation, measurement, testing, and calibration of electrical quantities. Our focus is on meter and instrument transformer testing technology, as well as precision laboratory technology.
