Description
The Calmet TB41 Four Position Meter Test Bench is used for calibration and simultaneously testing up to four single and three phase electromechanical and electronic active and reactive electricity meters and portable test equipment with accuracy referenced to an internal reference meter.
The Calmet TB41 Test Bench employs modern precision power source with the internal reference (without need to use an additional external reference energy meter with additional cables). By this conception may be achieved simultaneously flexible customer orientated solution characterised by extremely compact size, light weight, high metrological properties at reasonable price. In case the high-accuracy application requirement, it is possible to upgrade the existing Calmet TB40 Test Bench by adding an external reference meter.
The Calmet TB41 Test Bench comprises:
- Three phase power source with accuracy class of internal reference 0.02 or 0.04. Three phase power source generates voltage up to 600V and current up to 120A with programmable shapes, frequency in 46…65Hz range and phase shifts in 0…±360° range.
- Four position testing stand with photo scanning heads and cables.
-MPX8 Eight Inputs Meter Error Calculator and 4 individual error display. - Four isolation transformers ICT for “closed IP link” meters.
- PC laptop with installed MPX8 PC Soft and Calpro300 for controlling of testing process.
The Calmet TB41 Test Bench performs the following automatic tests of electricity meters:
– measure the basic error characteristics and repeatability,
– checking the counter error,
– checking the starting current and no-load run,
measure the influence of frequency, voltage, self-heating, reversed phase sequence, distortion and special shapes of currents and voltages,
– checking the impulse output and energy meter counter,
– checking the maximum power indicator.
Data sheet
