GF112 portable single phase electric meter tester is with human oriented design, hand-held and lightweight. It is suit for electric power Metrological departments, measuring and quality examining departments and electric lab to field use. It is capable of testing various types single phase watt-hour meters on site and can also be used for testing alternating current parameters , for example U, I P, Q, S, F, E etc. It is one of ideal test tool for engineer testing single phase electricity meter accuracy. The portable reference meter can be used with an active error compensated clamp-on CT 100A (range from 10 mA to 120 A / cable diameter: max. 20 mm).

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FEATURES

With built-in 5A load;
Energy register check function;
Voltage and current wave display;
External thermal printer optional;
Equip with RS232 to connect with PC;
Small dimensions and light in weight;
With smart optical sampler for energy pulse;
Large capacity storage device for mass memory;
Field test kinds of inductive, single phase electricity meter;
With 2pcs clamp CT to test ratio of current transformer (Optional);
LCD backlight display, English menu, direct viewing and convenient;
The portable electric meter tester with pulse cable and optical sampler;
Measurement error, voltage, current, power, power factor and frequency at site;

APPLICATION

Power engineering company;
Metrological service center;
Distribution power corporation;
Electricity power bureau & power company;
Electrical Department of property company;
National Metrology and testing department;
Electricity meter quality supervision department;
Electrical Department of industrial and mining enterprises;

PARAMETERS

Electrical parameters
Accuracy	0.2% or 0.5%
Power Supply	AC 110-265V 50/60Hz
Warming-up time
Power consumption	≤5VA
Voltage measurement
Range	0-300V
Accuracy	0.2%
Current measurement
Range	1mA-20A or 10mA-120A
Accuracy	0.2%
Phase measurement
Range	0°-359.9°
Resolution	0.1°
Accuracy	0.2°
Frequency measurement
Range	45-65 Hz
Resolution	0.01Hz
Accuracy	0.02Hz
Power factor measurement
Range	-1.0000~0 ~ +1.0000
Resolution	0.001
Accuracy	0.01
Electric energy pulse output
Pulse constant	900, 180
Energy pulse input
Input range of pulse constant	1-25000
Pulse input level	5V
Function
CT ratio test	Yes
Register test	Yes
PC management software	Yes
LCD	3.5 green backlight LCD
In-built load	5VA
Data storage	500 sets
External Printer	Yes
Communication port	RS232
Standard
Standard	IEC 62053-21,22, 23; IEC 60736; ANSI C12.20-2002; JJG 597-2005; JJG596-2012; JJG 1085-2013; JJF 68-2019; DL/T 826-2002; DL/T 1478-2015; DL/T 448-2016
Safety
Isolation protection	IEC 61010-1:2001
Measurement Category	300 V CAT III
Degree of protection	IP53
Declaration of conformity	CE & CNAS certified
Mechanical parameters
Dimensions (W×D×H) (mm)	185×67×30
Weight (kg)	1 (mains) 2 (appendix and bag)
Environmental conditions
Working temperature	-10°C to 50°C
Working humidity	5%- 85%RHD
Storage temperature	-25°C to 70°C
Storage humidity	5% -95%RHD