GF303DT Electrical three phase programmable power source

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 40 Hz to 70Hz with resolution as good as 0.01 Hz. 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.

Features

Application

Parameters

Electrical parameters
Accuracy class	0.2%, 0.5%, 1%
Power supply	Single phase AC 85-265 V, frequency 50/60 Hz
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	± 60 PPM/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	± 60 PPM/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	40.00-70.00 Hz
Output adjustment fineness	5Hz, 1Hz, 0.1Hz, 0.01Hz as optional.
Resolution	0.01 Hz
Accuracy	0.02Hz
Temperature drift	± 0.5 PPM/°C
Long-term stability	± 4 PPM/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	300 V CAT III, 600 V 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%

Selection guide

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

Download Catalogue

• Electrical Three Phase Programmable Power Source(454K)

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