GF312D1 HANDHELD THREE PHASE ENERGY METER CALIBRATOR

FEATURES

■ Handheld designed;

■ Display vector diagram;

■ Measure CT variable ratio;

■ Display waveform of U and I;

■ Measure 2-64 harmonic of U, I;

■ Store and display measured data;

■ High precision measurement, min current 1mA;

■ Analyze and display content of harmonic of U and I;

■ Voltage and current synchronous sampling technology;

■ Measure the ratio or lag-angle of low-voltage transformer;

■ Optional 5A, 20A, 100A,200A, 500A, 1000A, 2000A, 3000A current clamp;

■ Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD;

■ Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity;

■ Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.

FUNCTIONS

■ Measure frequency of power line.

■ Measure I(current) of three phase or single phase;

■ Testing comprehensive error of measuring device;

■ Measure U(voltage) of three phase or single phase;

■ Measure power factor 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 phase angle between U & I, U1 & U2 & U3, I1 & I2 & I3;

■ Three phase active or reactive electricity reference energy meter;

■ Testing all kinds of mechanical and electronic energy meter error;

■ Calibrate three phase, single phase, and active or reactive meter error;

PARAMETERS

Electrical parameters
Accuracy class	0.05%, 0.1%, 0.2%
Display	6^"TFT (640×480)
Power supply	220V±10%, 50/60Hz Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh) Power line supply (U1, UN), 85V-265V 50/60Hz
Communication port	RS232
Test voltage
Range	Phase to Netural 0-480V (Phase to Phase 0-830V)
Error	±0.05% (30V-480V)±0.1% (0.01V-30V)
Voltage measurement temperature drift	< 8 x 10 E-6/K
Voltage measurement relative humidity drift	< 8 x 10 E-6/RH
Voltage measurement stability	< 50 x10 E-6
Voltage measurement long term stability	< 80 x 10 E-6/Year
Harmonic	2^nd-64^st
Test current
Range (direct connection)	0-12A
Error (direct connection)	±0.05% (10mA-12A)±0.1% (1mA-10mA)
Range (clamp CT)	1mA-120A
Clamp CT	Model: Q13 Test range:1mA-120A Accuracy:0.1% Ratio:1000:1 Internal diameter:13mm External diameter:33mm Lead cable:2.5m
Clamp CT Optional	5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A
Three phase color label	L1=Red,L2=Yellow,L3=Blue
Error (clamp CT)	±0.1% (100mA-120A)
Current measurement temperature drift	< 8 x 10 E-6/K @ 10mA-120A
Current measurement relative humidity drift	< 8 x 10 E-6/RH@ 10mA-120A
Current measurement stability	< 50 x10 E-6
Current measurement long term stability	< 80 x 10 E-6/Year
Harmonic	2^nd-64^st
Power & Energy measure error
Active power (direct connection)	±0.05% (0.1A-12A)±0.1% (0.01A-0.1A)
Reactive power (direct connection)	±0.1% (0.1A-12A)
Energy measure error
Active energy (direct connection)	±0.05% (0.1A-12A)±0.1% (0.01A-0.1A)
Reactive energy (direct connection)	±0.1% (0.1A-12A)
Power/energy measurement temperature drift	< 15 x 10 E-6/K
Power/energy measurement relative humidity drift	< 12 x 10 E-6/RH@ 10mA-120A
Power/energy measurement stability	< 100 x10 E-6
Power/energy measurement long term stability	< 160 x 10 E-6/Year
Error display	5 digits with minimum three decimal places XX.XXX%
Phase angle
Range	0^°-360^°
Resolution	0.01^°
Error	±0.02^°
Frequency
Range	40-70Hz
Resolution	0.001Hz
Error	0.002Hz
Pulse input
Input channel	2
Input level	5-24V
Input frequency	Max. 2MHz
Pulse output
Energy constant	180000imp/kWh, 1800imp/kWh, 180imp/kWh
Pulse ratio	1:1
Output level	5V
Pulse frequency	Standard 400Hz-2.5KHz, customized max 10KHz
Scanning head
	The sampler is equipped with a bracket which can clip/install on the tested electronic and electromechanical meters, and the sampler can insert to the 'orifice/slot' in the center of the bracket. There are 3 status LED indicator: [AUTO] – scan the turn-plate of the energy meter [MANU] –Manual input pulse [LED] – Receive the LED energy pulse
Function	Sensitivity can be intelligently adjusted according to ambient light intensity to ensure accuracy measurement.
Function
Vector diagram	Yes
Waveform	Yes
Energy accumulation	Yes
Communication with PC	Yes
Overload protection	Yes
Cable and Accessories
Test Cable	Voltage test cable 1SET Cable Length:2m (R,Y,B,Black) Current test calbe 1SET Cable Length:2m (R,Y,B,Black)
Plug	Pin type1SET (4black,2Red,2Yellow,2Green) 'U' type1SET (4black,2Red,2Yellow,2Green) 'Ω' type1SET (4black,2Red,2Yellow,2Green) Crocodile type1SET (1Black,1Red,1Yellow,1Green)"
Accessories Bag	Yes
Mechanical parameters
Instrument dimensions (W×H×D) (mm)	245×162×60
Instrument Weight (kg)	1.6
Carry case dimensions (W×H×D) (mm)	450×320×185
Carry case (kg)	10.6
Environmental conditions
Ambient temperature	-10°C to 55°C
Relative humidity	15%-95%
Environmental protection level	IP51
Standard
lsolation protection	IEC 61010-1:2001
Energy measurement	IEC 60736
Reference standard	IEC 62052-11 IEC62053-21 IEC62053-22 & IEC62053-23 IEC61010-1:2001
Calibration and maintenance
Warranty	3 years
Calibration	Lifelong calibration service
Recommended calibration interval	Every two years