On-site Three Phase Enerty Meter Calibrator

Check sum at same time active, reactive energy error, while main check, vice table errors and automatically calculate standard deviation estimates

Available contrast calibration voltage, current, power, power factor, phase, frequency of electrical instruments and transmitters

In four-phase limit to identify common three-phase three-wire 48 kinds, 96 kinds of wiring errors in three-phase four-wire and hexagonal diagram show any wiring

Clamp self-calibration feature to ensure stability of long-term accuracy of clamp transformer

Each phase between self-test to ensure stability of long-term precision of instrument

Can be measured three-phase voltage and current harmonics 2 to 51 times and storage of all harmonic data

Measurement site each phase parameters of (U, I, P, Q, Φ, F)

Three voltages and three current waveforms can be displayed simultaneously

Can be measured PT and CT secondary load

Storage 10,000 table all measurement data, including operating parameters to facilitate post-mortem analysis

Supports U-disk, serial port upgrade software download calibration data

Communicate with PC, very convenient with original database and management system interface

Can be equipped with power meter management system software, paperless office

High-brightness, high definition, high-resolution 5.7-inch (320 * 240) TFT color LCD

Phone uses T9 Chinese character input method and very convenient

Wide power supply 85 to 480V AC and the internal battery (charging without an external charger) dual select

System uses high-speed high-precision digital multiplier, simultaneous measurement of (none)

All parameters of reactive power, voltage, current, frequency, phase and all parameters of software correction

Instrument potentiometer to completely prevent instrument to cause error to change due to transportation, other external causes, greatly improving stability and reliability of system

System uses pioneering digital true reactive measurement techniques

Real reactive measure: from voltage and current imbalance asymmetry of phase angle, frequency change for first time in country will reactive accuracy increased to 0.1% to ensure accuracy of electrical energy in then temperature range of -20 to +40°C (0.1 or 0.05%)

Four-quadrant power measurement

Can be with 0.2 5A pliers (included opening and closing of repeatability error, contact error, external magnetic field interference errors, poor angle)

Supports current measurement <5mA to facilitate the identification of wiring error in first seizure load

Can be with 20, 100, 500 and 1000A clamp