The GF303DT programmable three phase electrical power source is one economical three phase current source and voltage source, it can also be used to test class 1 to 2 energy meters. Choose the GF303DT electrical programmable power source when you need the low investment amount for calibrating secondary digital electrical meters, energy revenue meters and type test applications.
The model GF303DT three phase power source is electric AC voltage, current and power calibrator for calibration of power meters, Ac power transducers, ammeter, voltmeter, phase angle meter, power factor meter and generally all kinds of power measuring devices. AC voltage, current, power functions have calibrated phase shift in frequency range from 40Hz to 70Hz with resolution as good as 0.01Hz. It have three channel current and three channel voltage independent output, any programmable setting, low phase shift, stability 0.05%/1min, and as standard three phase voltage source, three phase current source and three phase power source, is a affordable portable calibration tool in electrical laboratory. It has been widely used in more than 100 countries around the world, including electricity meter manufacturers, electrical measurement equipment R&D enterprises, power engineering service companies, electricity power utilities, electrical laboratory etc.
Electrical parameters | |
---|---|
Accuracy class | 0.2%, 0.5%, 1% |
Power supply | Single phase AC 85-265V, frequency 50/60Hz |
AC voltage output | |
Range (U1, U2, U3 phase) | 3×(0-300V), 3×(0-380V), 3×(0-500V) |
Adjust fineness | 0.01%RG |
Accuracy | 0.2%RG, 0.5%RG |
Stability | <0.05%RG/120s |
Distortion degree | <0.5% (not capacitive load) |
Output power | 15VA, 25VA or 50VA |
Full load regulation rate | 0.01%RG |
Full load regulation time | Less than 1mS |
Long-term stability | ± 60PPM/year |
AC current output | |
Range (I1, I2, I3 phase) | 3×(0-6A), 3×(0-12A), 3×(0-24A), 3×(0-50A), 3×(0-120A) |
Adjustment range | (0-120)%RG |
Adjust fineness | 0.01%RG |
Accuracy | 0.2%RG, 0.5%RG |
Stability | <0.05%RG/120s |
Distortion degree | <0.5% (not capacitive load) |
Output power | 20VA, 50VA or 100VA |
Full load regulation rate | 0.01%RG |
Full load regulation time | Less than 1mS |
Long-term stability | ±60PPM/year |
Power output | |
Accuracy | 0.2%RG, 0.5%RG, 1%RG |
Stability | 0.05%RG/120s |
Phase angle | |
Adjusting range | 0.000°-359.999° |
Output adjustment fineness | 10, 1, 0.1, 0.01 as optional. |
Resolution | 0.1° |
Accuracy | 0.2°, 0.5°, 1° |
Power factor | |
Adjusting range | -1~0~+1 |
Resolution | 0.001 |
Accuracy | 0.005 |
Frequency | |
Adjusting range | 40.00-70.00Hz |
Output adjustment fineness | 5Hz, 1Hz, 0.1Hz, 0.01Hz as optional. |
Resolution | 0.01Hz |
Accuracy | 0.02Hz |
Temperature drift | ±0.5PPM/°C |
Long-term stability | ±4PPM/year |
Functions | |
Communication Port | RS232 |
Programmable controlled output | Yes |
Key | 30pcs |
Voltage & current amplitude setting (range) | 0.01%, 0.1%, 1%, 10% |
Testing point | 0.5C, 0.5L, 0.8C, 0.8L, 1 |
Testing type | 1P2W, 1P3W, 3P3W, 3P4W |
LCD | 7 inch TFT color touch display |
PC control software | Optional |
Standard | |
Standard | IEC 62053-21,22,23; IEC 60736; 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; JJG 51-1999; DL/T 2213.1-2021; GJB J 5857-2006; JJG6-2011; JJG70-2015; |
Safety | |
Isolation protection | IEC 61010-1:2001 |
Measurement category | 300V CAT III, 600V CAT II |
Degree of protection | IP20 |
Declaration of conformity | CE & CNAS certified |
Mechanical parameters | |
Dimensions (W×D×H)(mm) | 500x600x175 |
Weight (kg) | 12, 15, 18, 20, 25 |
Environmental conditions | |
Working temperature | 0°C to 50°C |
Storage condition | -30°C to -60°C |
Relative humidity | ≤85% |
No. | Accuracy | Voltage range | Current range | Weight |
---|---|---|---|---|
303DT120-0.2 | 0.2% | 0-500V | 0-120A | 25KG |
303DT120-0.5 | 0.5% | 0-500V | 0-120A | 25KG |
303DT120-1 | 1% | 0-500V | 0-120A | 25KG |
303DT50-0.2 | 0.2% | 0-500V | 0-50A | 20KG |
303DT50-0.5 | 0.5% | 0-500V | 0-50A | 20KG |
303DT50-1 | 1% | 0-500V | 0-50A | 20KG |
303DT24-0.2 | 0.2% | 0-500V | 0-24A | 18KG |
303DT2405 | 0.05% | 0-500V | 0-24A | 18KG |
303DT24-1 | 1% | 0-500V | 0-24A | 18KG |
303DT12-0.2 | 0.2% | 0-500V | 0-12A | 15KG |
303DT12-0.5 | 0.5% | 0-500V | 0-12A | 15KG |
303DT12-1 | 1% | 0-500V | 0-12A | 15KG |
303DT6-0.2 | 0.2% | 0-500V | 0-6A | 12KG |
303DT6-0.5 | 0.5% | 0-500V | 0-6A | 12KG |
303DT6-1 | 1% | 0-500V | 0-6A | 12KG |