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 transducer can checks, including: AC/DC voltage transducer, AC/DC current transducer, frequency transducer, phase transducer, single three-phase AC active power transducer, 3-phase reactive power transducers;

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, it 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, it can connect computer 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: 0.5A, 1A, 2.5A, 5A, 10A, 20A;

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: 0.5A, 1A, 2.5A, 5A, 10A, 20A

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 ~ ± 24V

DC current measurement range: 0 ~ ± 24mA

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: ≤ 85%

Storage conditions: -30℃ ~ 60℃

Work power

Single phase AC 220 V±10%, Frequency 50/60 Hz

Volume and weight

Size: 460 mm x 430 mm x 185 mm

Weight: 20 Kg