This device is according to nation verification regulation JJG124-2005 "ammeter, voltmeter, power meter and resistance meter calibration regulations and the relevant countries standard requirements and design three-phase 0.05 magnitude meter source integration calibration device”. The core technology of this device is with digital signal processor (DSP) and 16 high-speed digital converter, which is composed of high precision work frequency communication terminal; The signal source use the DSP and 16 high-speed digital-to-analog converters, which can control the sine wave, distortion wave signal source; Equipment has high precision, stable and reliable, and easy to operate flexible, and other characteristics; Electric power system is used for electrical measurement is the ideal calibration equipment.

FEATURES

It can check all kinds of electric measurement of instrument including: AC/DC voltmeter, AC/DC ammeter, frequency meter, phase angle meter, single/three-phase AC active power meter, single/three-phase AC reactive power meter, synchronous meter, etc.;
Built-in electric measurement of verification procedure indicating meter, automatic or semi-automatic for verification, saving 1000 groups data;
It can as a voltage source, a current source and power source for high precision and high stability standard resource;
6.4 inch big screen color display;
It is calibrated in the software and don’t need to open the case, stable and reliable;
Having short circuit, current output terminal, output voltage open protection and power amplifier overheating protection function;
Having automatically failure detection function, shows fault part, it is convenience for users to check line;
With USB port and PC connection for data management.

PARAMETERS

Electrical parameters
Accuracy class	0.05%, 0.1%
Power supply	Single phase AC 220V±10% or 110V±10%, 50/60 Hz or AC 110 V±10%, 50/60 Hz
Communication Port	USB port
AC voltage output
Range(U1,U2,U3)	50 V, 100 V, 200 V, 400 V, 600 V
Adjusting range	(0-120) % RG
Adjust fineness	0.005% RG
Accuracy	0.05% RG
Stability	0.01%/1min
Load capacity	25 VA
Output distortion degree	≤0.3% (linear load)
AC current output
Range(I1,I2,I3)	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%/1min
Load capacity	25 VA
Output distortion degree	≤0.3% (linear load)
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%/1min
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%/1min
Load capacity	25 VA
AC power output
Accuracy	0.05% RG
Stability	0.01%/1min
Frequency
Frequency range	45-65 Hz
Resolution	0.001 Hz
Accuracy	0.002 Hz
Power factor output
Adjusting range	-1 to 0 to +1
Adjust fineness	0.0001
Accuracy	0.0005
Phase angle
Scope	0°-359.99°
Resolution	0.01°
Accuracy	0.05°
Voltage/Current harmonic output
Times	2nd-31th
Content	0-40%
Phase	0°-359.999°
Configuration error	(10% RD + 0.1%), RD refers to the configuration value of harmonic contents
Mechanical parameters
Dimensions (W×D×H) (mm)	460x430x185
Weight (kg)	18
Environmental conditions
Working temperature	0°C to 40°C
Storage conditions	-30°C to 60°C
Relative humidity	≤85%

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