3-Phase Multifunction Electric Meter Calibrator

GF312V2 portable three phase multifunction watt-hour meter calibrator on-site is the newest product produced by our company by widely visiting users and referring to the advantages of the same kind of products home and abroad. The measured part of the product adopts high speed A/D transmission to send DSP to conduct digital processing, which largely improves measured degree of accuracy and stability. Central processing part adopts 32-bit ARM embedded technology to make instrument interface novel, function abundant, operation distinct and easy, and performance steady. Class of accuracy: Class 0.02, 0.05 or 0.1, range from 12A/600V or 120A/600V, with comfort design, small size and light weight. The model GF312V2 watt-hour meter calibrator is suit for electric power departments, measuring and quality examining departments and electric lab to field use.

GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. And it also can be used as voltage, current and power meter to measure AC parameters of three phase power line. It can measure wave distortion factor and 2nd to 64nd harmonic wave. GF312B calibrator is used for grid corporation of measurement and energy test center, metrological service of power supply bureau, national energy measurement of testing authorities.

INTRODUCTION The GF302D1 three phase portable energy meter test system consists of an integrated three phase current and voltage source(up to 500V/120A or 500V/20A) and built-in three-phase electronic reference standard of accuracy class 0.05%. Characteristic features of the GF302D1 are its wide measuring range, high accuracy and high tolerance to unwanted external influences. The equipment offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 7 touch LCD-display. PARAMETERS Accuracy class 0.05%, 0.1% Power supply One Phase AC 100-265V, frequency 50/60Hz. AC Voltage output Range(U1,U2,U3) 57.7V, 100V, 220V, 380V or 69.3V, 120V, 240V, 480V( optional) Adjustment range (0-120)%RG(1) Adjust fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability 0.01%/120s Distortion 0.3% (Non-capacitive load) Output load each phase 30VA Measuring accuracy 0.05%RG AC Current output Range (I1, I2, I3 ) 200mA, 1A, 5A, 20A, 100A(optional) Adjustment range (0-120)%RG Adjustment fineness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability

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GF112B Single Phase kWh Meter Calibrator is suitable to test various types single phase kWh meters error on site and also can be used to test alternating current parameters - U, I, P, Q, S ,F, E etc.

INTRODUCTION GF312B portable three phase watt meter calibrator with printer is used to calibrate three phase, single phase, active and reactive watt meters. And it also can be used as voltage, current and power meter to measure AC parameters of three phase power line.It can measure wave distortion factor and 2nd to 63th harmonic wave. FEATURES Three phase active or reactive electricity energy meter Calibrate three phase, single phase, active or reactive meter error Measure U(voltage) of three phase or single phase 4Measure I(current) of three phase or single phase Measure active power of three phase or single phase Measure reactive power of three phase or single phase Measure apparent power of three phase or single phase Measure power factor of three phase or single phase Measure phase angle between voltage and current Measure frequency of power line Display vector diagram Display waveform of U and I Analyze and display content of harmonic of U and I Store and check measured data Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp Measure CT variable ratio Print the data of measurement on site

INTRODUCTION GF112B Single-Phase kWh Meter Calibrator is suitable to test various types single phase meters on site and also can be used to test alternating current parameters. TECHINICAL SPECIFICATION Electrical parameter Accuracy class 0.2% Active power measurement accuracy 0.2%, 0.5% Energy measurement accuracy 0.2%, 0.5% Power supply AAA type, Li rechargeable battery, 750mAh, 3.6V it can work 8 hours continuously Warming-up time

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