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GF312V2S High Precision Field Portable Three Phase Reference Meter

portable reference meter

GF312V2S portable three phase reference meter field is the newest product produced by GFUVE 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 24bit A/D transmission to send DSP to conduct digital processing, unique power compensation algorithm with patented technology, 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 or 0.05, range from 3×12A/3×600V or 3×120A/3×600V, with comfort portable IP65 structure design and light weight.

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The model GF312V2S portable reference meter is suit for electricity power utilities metrogical departments, Industrial and mining enterprises departments and electric lab to field use.

Application

  • Power plant;
  • Watthour meter R & D;
  • Energy meter factory;
  • Electrical laboratory;
  • Power engineering company;
  • Electricity power utilities;
  • Metrological service center;
  • Distribution power corporation;
  • Electricity power bureau & power company;
  • Electrical engineering service company;
  • National Metrology and testing department;
  • Electrical Department of industrial and mining enterprises;

Features

  • CT PT burden testing;
  • Measurement U & I wave;
  • Screen capture function;
  • Testing power meter error;
  • 7 inch color TFT touch LCD;
  • Self adjusted clamp-on CTs;
  • With smart optical sampler;
  • Testing ammeter meter error;
  • Testing frequency meter error;
  • Testing voltmeter meter error;
  • BT port and android APP optional;
  • Testing phase angle meter error;
  • USB and RS232 communication ports;
  • Testing power factor meter error;
  • RS232 port for PC software control;
  • Accuracy class: 0.02%, 0.05%, 0.1%;
  • Measurement for energy register error;
  • Measurement of clock error of energy meter;
  • Large capacity storage device for mass memory;
  • Measurement of turn ratio & phase error for CT;
  • Measurement of all kinds of energy meter errors;
  • Power supply (lithium battery)/ 85-265V AC /U1Un (40-450V);
  • Display of vector diagram, phase sequence, waveform oscilloscoper;
  • Check wiring failures and calculation of electricity compensation;
  • Measurement of U, I, P, Q, S, phase angle, power factor, frequency etc;
  • Input two pulse signal for master and slave meter synchronously calibration;
  • 5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A, 6000A current clamp optional;
  • Measurement U & I of harmonics of 2nd to 63rd, harmonics spectrum bar and trend charts;
 

Parameters

Electrical parameters
Accuracy class 0.02%, 0.05%, 0.1%
Power Supply External power, 85-265V, 45-65Hz
Phase voltage supply 40-450V, 45-65Hz
Li-Battery supply optional
Voltage measurement
Range 0-600V
Error ±0.05%; ±0.02%
Harmonic 2nd - 63rd
Input impedance range 245kΩ@ 250V; 10MΩ @5V
Stability 0.01%/minute
Long term stability <100× 10E -6 /Year
Current measurement
Range (direct connection) 1mA-12A or 1mA-120A
Range (clamp on CTs) 1mA-120A
Clamp on CTs Optional 5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A
Error (direct connection) ±0.05% or ±0.02%
Error (clamp on CTs) ±0.1% (1mA-120A )
±0.2% (other)
Harmonic 2nd - 63rd
Clamp diameter 18mm or others
Input impedance range 0.04Ω@ 0.05A-12A
Stability 0.01%/minute
Long term stability <100× 10E -6 /Year
Power measure error
Active power (direct connection) ±0.05% or ±0.02%
Active power (clamp on CTs) ±0.1% (1mA-120A)
Reactive power (direct connection) ±0.1% or ±0.05%
Reactive power (clamp on CTs) ±0.2% (1mA-120A)
Stability 0.01%/minute
Long term stability <100× 10E -6 /Year
Energy measure error
Active energy (direct connection) ±0.05% or ±0.02%
Active energy (clamp on CTs) ±0.1% (1mA-120A)
Reactive energy (direct connection) ±0.1% or ±0.05%
Reactive energy (clamp on CTs) ±0.2% (5mA-120A)
Stability 0.01%/minute
Long term stability <100× 10E -6 /Year
Phase angle
Range 0°-360°
Resolution 0.001°
Error ±0.015°
Frequency
Range 15Hz-70Hz
Resolution 0.0005Hz
Error 0.001Hz
Reference Meter
Measuring modes 2WA / 2WR / 2WAP
3WA / 3WR /3WAP /3WRCA /3WRCB
4WA /4WAb / 4WR /4WRb /4WAP /4WAPb /4WRC
Brandwidth 3000Hz
Sampling 16 bit 504 samplers/ period
Pulse output
Energy constant 250000
Pulse ratio 1:1
Output level 5V
Pulse output constant programmable 1-250000 when f=60KHz
Pulse input
Input channel 3
Input level 3-12V
Input frequency Max. 2MHz
Display
Resolution 800×480
LCD 7" TFT color touch
Function
Vector diagram Yes
Waveform Yes
Energy accumulation Yes
CT ratio test Yes
CT PT programmable Yes
CT PT burden test Yes
Local parameter input Yes
Wiring emulation Yes
Self-calibration Yes
Recorder check Yes
Data storage Yes
GPS Yes, Optional
Data storage qty 10000
External extend memory Yes
Screen printing Yes
Communication port USB/RS232/BT
Communication with PC Yes
Upload data Yes
External mini printer Yes, Optional
External keyboard Yes, 26pcs keys
Safety
IP class according to DIN EN 60529 IP65
Declaration of conformity CE & CNAS conform
Protection class according to DIN EN 61140 II
Overvoltage category voltage measurement CAT III 600V
Overvoltage category current CAT III 600V
Standard
lsolation protection IEC 61010-1:2001
Energy measurement IEC 60736; IR46; 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
Reference standard IEC 62052-11
IEC62053-21
IEC62053-22 & IEC62053-23
IEC61010-1:2001
Mechanical parameters
Dimensions (W×H×D) (mm) 365×269×151
Weight (kg) 4.5
Environmental conditions
Ambient temperature -25°C to +50°C
Storage temperature -30°C to +65°C
Relative humidity 30%-95%
Power Consumstion ≤13VA

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