GF312B Portable Three-Phase Energy Meter On-Site Calibrator

GF312B portable three-phase kWh Meter Calibrator is used to calibrate three phase, single phase, active or reactive energy meter under work, and also it can be used as voltage, current and power meter to measure AC parameter of three phase power line, also it can measure wave distortion factor and 2 to 63 time harmonic wave .

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;

Measure 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 look measured data;

Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;

Measure CT variable ratio;

Print the data of measurement on site;

Test Voltage
Range	6V – 600V
Error	±0.05% (30V – 600V) ±0.1% (5V – 30V)
Harmonic	2nd -- 63st
Test Current
Range (direct connection)	20mA – 20A
Error (direct connection)	±0.05% (100mA – 20A) ±0.1% (20mA – 100mA)
Harmonic	2nd -- 63st
Power measure error
Active power (direct connection)	±0.05% (0.1A – 20A) ±0.1% (0.02A – 0.1A)
Reactive power (direct connection)	±0.1% (0.1A – 20A)
Energy measure error
Active energy (direct connection)	±0.05% (0.1A – 20A) ±0.1% (0.02A – 0.1A)
Reactive energy (direct connection)	±0.1% (0.1A – 20A)
Phase angle
Range	0o – 360o
Error	±0.05o
Frequency
Range	45Hz – 65Hz
Pulse output
High frequency output(CH)	1×1011 (1mA – 10mA) 1×1010 (10mA – 0.1A) 1×109 (0.1A – 1.0A) 1×108 (1.0A – 10A) 1×107 (10A – 120A)
Low frequency output(CL)	2×10-5×CH
Pulse ratio	1:1
Output level	5V
Pulse input
Input channel	1
Input level	5 – 24V
Input frequency	Max. 2MHz
Display
Resolution	6" TFT (640×480)
Function
Vector diagram	●
Waveform	●
Energy accumulation	●
Communication port	RS232
Communication with PC	●
Other
Voltage Supply way	External power
Voltage Supply	220V ± 10%, 50/60Hz ± 2Hz
Ambient temperature	-10°C -- 40°C
Relative humidity	30% -- 80%
Dimensions (W×H×D) (mm)	390×200×160
Weight (kg)	3kg