It is suitable for power corporation measuring and testing center, power supply company and power plants measuring department, national levels measuring and testing institutions, also suitable for railway, petroleum, chemical industry and large industrial and mining enterprises, etc.
Main functions and features
To calibrate DC voltmeter, ammeter, power meter and DC transmitter;
Automatic range, used for testing the digital meter; Manual range, used for testing the indicator;
To output the standard DC voltage, DC current, DC power;
To apply 5.6 inch TFT color LCD screen, all the Chinese or English characters for display, operating easily;
It is built-in indicating meter and DC standard resource verification procedures;
Span a wide range, covering for instrument often dosage limit;
To use software calibration, stable and reliable;
With RS232 interface, and computer software component semi-automatic verification system, data management, inquiry and print the inspection certificate and the inspection records;
Range: 100 mV, 300 mV, 1 V, 3 V, 10 V, 100 V , 300 V , 600 V , 1000 V
100 mV 40 mA
300 m V 100 mA
1 ~ 100 V 220 mA
300 V 80 mA
600 V 40 mA
1000 V 25 mA
Range: 10 uA, 30 uA, 100 uA , 300 uA , 1 mA, 3 mA, 10 mA, 30 mA, 100 mA, 300 mA, 1 A, 3 A, 10 A, 30 A
10 uA ~ 1 A 10 V
3 A ~ 10 A 3 V
30 A 1.6 V
Adjusting range and fine degrees
0 ~ 120% (1000 V voltage, 30 A current except)
Voltage 1 V and above range ± (0.012% RD + 0.008% RG);
The rest of the range ± (0.03% RD + 0.02% RG).
All current range ± (0.03% RD + 0.02% RG)
Full range of output stability
A: for 0.75 V voltage and the measuring range, all current range, 1 minutes full range of output value ≤±0.01% RG ;
B: for 1 V and above and voltage range, 1 minutes full range of output value ≤±0.004% RG.
Ripple voltage noise caused by error
A: ≤±0.01% RG, B: ≤±0.004% RG.
Load from no-load to full load cause of error
A:≤±0.01% RG, B: ≤±0.004% RG.
Work power AC 220 V±10%, frequency 50 Hz±5%.
Use of the environment temperature 20 °C± 10 °C, relative humidity≤85% RH.
Shape dimension 440 mm x 360 mm x 160 mm, about 12 kg
DC Standard Power Source,power source,high accuracy source,DC current source,DC voltage source