GF302 Portable Three-Phase Multi-function Electrical Measurement Instrument Calibrator
(Accuracy class 0.05/0.1)
Application
It is suitable for power plant and power grid companies measuring and testing department and instrumentation classes, and national levels measuring and testing institutions, railway, petroleum, chemical industry and other large industrial and mining enterprises, scientific research units, etc.
Introduction
This device is according to nation verification regulation JJG124-2005 "ammeter, voltmeter, power table and resistance meter calibration regulations, JJG126-95" ac power transformation for dc power electrical measurement transducer calibration regulations, Q/GDW140-2006 "ac sample measuring device travel inspection management rules" and JJG597-2005 "ac electric energy meter verification device" and the relevant countries standard requirements and design three-phase 0.05 magnitude table source integration calibration device. The core technology of the function of device with digital signal processor (DSP) and 16 high-speed digital converter composed of high precision work frequency communication terminal; The signal source of use is DSP and 16 high-speed digital-to-analog converters can control of the sine wave, distortion wave signal source; Equipment has high precision, stable and reliable, and convenient operation, flexible, and other characteristics; Electric power system is used for electrical measurement is the ideal equipment calibration.
Main functions and features
All kinds of electric measurement transmitter can checks, including: AC/DC voltage transducer, AC/DC current transmitter, frequency transmitters, phase transmitter, single three-phase ac active power transmitter, a 3-phase reactive power transmitters;
Check all kinds of electric measurement can indicating meter, including: AC/DC voltmeter, AC/DC ammeter, frequency table, phase table, single three-phase ac active power table, three-phase ac reactive power table, synchronous table, etc.;
To detect the order, three-phase electronic type, mechanical watt-hour meter;
To verify AC sample device, RTU, measurement device error;
The built-in electric measurement transducer, electric measurement instrument and meter instructions of verification procedures, can fully automatic or semi-automatic for verification, can save 1000 group check data;
Output voltage source, a current source and power source for high precision are high stability standard resource;
The 6.4 "the big screen color display;
The software calibration, does not need to open the case, stable and reliable;
Voltage output terminal with short circuit, current output terminal open protection and power amplifier overheating protection function;
With automatic failure detection function, shows fault part, the convenience users check line;
With RS232 interface, and computer connection for data management.
Technical Data
AC voltage output
Range: 50 V, 100 V, 200 V, 400 V ,800 V;
Adjusting range: (0-120) % RG
Adjust fineness: 0.01% RG
Accuracy: 0.05% RG
Stability: 0.01% / 1 min
Load capacity: 25 VA
Output distortion degree: ≤0.3% or (linear load)
AC current output
Range: 0.5 A, 1 A, 2.5 A, 5 A, 10 A, 20 A;
Adjusting range: (0-120) % RG
Adjust fineness: 0.01% RG
Accuracy: 0.05% RG
Stability: 0.01% / 1 min
Load capacity: 25 VA
Output distortion degree: ≤0.3% or (linear load)
AC power output
Accuracy: 0.05% RG
Stability: 0.01% / 1 min
Frequency
Frequency range: 45.000 ~ 65.000 Hz
Resolution: 0.001 Hz
Accuracy: 0.01 Hz
phase angle
Scope: 0.00 ° ~ 359.99 °
Resolution: 0.01 °
Accuracy: 0.05 °
DC voltage output
Range: 75 V , 150 V , 300 V , 500 V , 1000 V
Adjusting range: (0-120) % RG
Adjust fineness: 0.005% RG
Accuracy: 0.05% RG
Stability: 0.01% / 1 min
Load capacity: 25 VA
DC current output
Range: 0.5 A, 1 A, 2.5 A, 5 A, 10 A, 20 A
Adjusting range: (0-120) % RG
Adjust fineness: 0.005% RG
Accuracy: 0.05% RG
Stability: 0.01% / 1 min
Load capacity: 25 VA
DC measurements
DC voltage measurement range: 0 ~ ± 24 V
DC current measurement range: 0 ~ ± 24 mA
Measurement accuracy: 0.01% RG
Watt-hour meter measuring the integrated error
Active power: 0.05%
Reactive power: 0.1%
Environmental conditions:
Working temperature: 0 ~ 40 °
Relative humidity: more than 85%
Storage conditions: -30 ℃ ~ 60 ℃
Work power
Scope: AC 220 V±10%, frequency 50 Hz
Volume and weight
Size: 460 mm x 430 mm x 185 mm
Weight: 20 Kg
Types:
GF302 Portable three-phase multi-function electrical measurement instrument calibrator (class 0.05/0.1)
GF302B Portable three-phase AC/DC transmitter calibrator (class 0.05/0.1)
GF302C Portable three-phase AC/DC indicating instrument test equipment (class 0.05/0.1)
GF302D Portable three-phase kWh meter test equipment (class 0.05/0.1)
