GF111D 1000V & 500A RANGE DC REFERENCE ENERGY METER

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GF111D 1000V & 500A RANGE DC REFERENCE ENERGY METER

The model GF111D high precision DC reference energy meter are used in electric power, metrology, military industry, manufacturing and scientific research institutes and other DC measurement fields or laboratories. Characteristic features of the GF111D are its wide measuring range, high accuracy and high tolerance to unwanted external influences. Its voltage range from 0 to 1200V, current range from 0 to 600A, DC reference standard of accuracy 0.02% or 0.01%. The 111D DC reference standard offers high functionality combined with an excellent menu guided operation via built-in keyboards and colored 8 inch color touch LCD-display. It can automatically test DC energy meter error, energy accumulation , error of time of day.

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FEATURES

■ 0-600A/0-1200V;

■ 8 inch TFT touch screen;

■ Accuracy 0.02% or 0.01%;

■ Using 24bit A/D sampling technology;

■ Recorder 10000 sets energy meter data;

■ Electrical isolation between U and I channels;

■ Programmable multi-plan for testing DC meter;

■ ISO17025 electrical metrology laboratory standard;

FUNCTIONS

■ User friendly menu guided operation;

■ As high precision DC reference standard;

■ DC electric energy accumulation function;

■ Easy verification and analysis of DC meter;

■ Testing all kinds of DC ammeter, DC voltmeter;

■ Statistical U & I of maximum and minimum values;

■ Automatic operation without need of an external PC;

■ Testing all kinds of DC energy meter, DC power meter;

PARAMETERS

Electrical parameters
Accuracy	0.05%, 0.02%, 0.01%
Power Supply	One Phase AC 180-265V, frequency 50/60Hz.
Power consumption	20VA
DC Voltage Measurement
Range	10mV, 100mV, 1V, 10V, 30V, 100V, 300V, 1000V (max 1200V)
Accuracy	±(0.012%RD+0.008%RG)
DC Current Measurement
Range	0.7mA, 3.5mA, 14mA, 35mA, 140mA, 700mA, 1A, 2A, 5A, 10A, 20A, 50A, 100A, 500A (max 600A)
Accuracy	±(0.012%RD+0.008%RG)
DC Power Measurement
power accuracy	±0.02%, 0.01%
DC Power Energy Measurement Error
power energy	±0.02%, 0.01%
Power Pulse Output
Power Pulse Output	20KHz
Power Pulse Input
Energy pulse input	20KHz
Function
LCD Display	8 inch 800x600 touch TFT
Energy accumulation	Yes
Self-calibration	Yes
Data storage	Yes
PC software	Optional
Communication port	USB, RS232, 10/100M LAN
Standard
Standard	IEC 62053-21,22, 23; IEC 60736; ANSI C12.20-2002; JJG-842-2017; JJG596-2012; JJG 1085-2013; JJF 68-2019; DL/T 1478-2015; DL/T 448-2016; GB/T 33708-2017
Safety
Isolation protection	IEC 61010-1:2001
Measurement Category	300 V CAT III, 600 V CAT II
Degree of protection	IP40
Declaration of conformity	CE & CNAS certified
Mechanical parameters
Dimensions (W×H×D) (mm)	400x440x290
Weight (kg)	12
Environmental conditions
Ambient temperature	-10°C to +40°C
Storage temperature	-20°C to +65°C
Relative humidity	10%-85%
Temperature coefficient	≤0.0005% /℃
Influence of external fields	≤0.05 %/mT
(1) RG means range, the same as below; (2) RD means the setted harmonic content, harmonic can be a single output, also multiple output.