TD4520 Portable Three-phase and DC Calibrator

TD4520 is a multi-function 3PH power calibrator. Class 0.02 / class 0.05 available. It integrates AC/DC power output function, 3PH measuring function, harmonic function, transmitter test function, U4th voltage output function, AC energy meter test function. Can be used to calibrate AC/DC voltmeter, AC/DC ammeter, AC/DC power meter electric energy meter and transmitter, etc.

1. Summary

TD4520 is a multi-function 3PH power calibrator. Class 0.02 / class 0.05 available. It integrates AC/DC power output function, 3PH measuring function, harmonic function, transmitter test function, U4th voltage output function, AC energy meter test function. Can be used to calibrate AC/DC voltmeter, AC/DC ammeter, AC/DC power meter electric energy meter and transmitter, etc.

2. Features

• 3PH voltage output：6 V～456 V

• 3PH current output：20 mA～24 A

• 3PH voltage meter：6 V～456 V；

• 3PH current meter：0.1 A～6 A

• Frequency：45 Hz～70 Hz

• U-I phase：0°～360°

• DC voltage output：10 mV～660 V

• DC current output：0.1 mA～22 A

• Accuracy class: 0.02, 0.05.

• 2nd~21st harmonic output

• Transmitter test function

• U4th AC voltage output function（option）

• Energy meter test function（option）

• Test software（option）

3. Application

 

 

5. Specifications

5.1 Three-Phase Voltage / Current Output

Voltage Range	Resolution	Stability ( %/min )		Accuracy ±(ppm of reading + ppm of range) [1]		Max Burden (mA)
		Class 0.05	Class 0.02	Class 0.05	Class 0.02
57.7 V	0.1 mV	0.01	0.005	300 + 200	120 + 80	250
100 V	1 mV	0.01	0.005	300 + 200	120 + 80	150
220 V	1 mV	0.01	0.005	300 + 200	120 + 80	60
380 V	1 mV	0.01	0.005	300 + 200	120 + 80	40
Note [1]: (ppm = parts per million) (e.g., 10ppm = 0.001%).

Current Range	Resolution	Stability ( %/min )		Accuracy ±(ppm of reading + ppm of range) [1]		Max Burden (V)
		Class 0.05	Class 0.02	Class 0.05	Class 0.02
200 mA	1 μA	0.01	0.005	300 + 200	120 + 80	30
500 mA	1 μA	0.01	0.005	300 + 200	120 + 80	15
1 A	10 μA	0.01	0.005	300 + 200	120 + 80	15
2 A	10 μA	0.01	0.005	300 + 200	120 + 80	4
5 A	10 μA	0.01	0.005	300 + 200	120 + 80	4
20 A	0.1 mA	0.01	0.005	300 + 200	120 + 80	1

• Three-phase voltage output: 1 V～660 V, Degree of distortion:< 0.5%

• Three-phase current output：20 mA～30 A，Degree of distortion：< 0.2%；

• Voltage short circuit, current open-circuit and overload protection

5.2 Frequency / Phase / Harmonic

Symmetry	Voltage superior to 0.2%；Current superior to 0.5%；Phase superior to 0.5°
Frequency	Range：45 Hz～70 Hz； Adjustment fineness：0.001 Hz； Accuracy：±0.02 Hz (class 0.05), ±0.01 Hz(class 0.02)
Phase	Range：0.000 0°～359.999 9°； Adjustment fineness：0.001°； Accuracy：±0.02°(class 0.05), ±0.01°(class 0.02)
Harmonic	2nd～21st harmonic； Amplitude 0～25% adjustable； Phase 0～359.99°adjustable

5.3 Three-Phase Power Output

Current Range	Stability ( %/min )		Accuracy ( ± %*FS)[2]
	Class 0.05	Class 0.02	Class 0.05	Class 0.02
Active power |cosφ|≥0.5	0.01	0.005	0.05	0.02
Reactive power |sinφ|≥0.5	0.02	0.01	0.1	0.05
Apparent power	0.02	0.01	0.1	0.05
Power factor	0.02	0.01	0.1	0.05
Note [2] :FS= voltage range× current range

• Power factor setting range：-1.000 000…0.000 000…1.000 000

5.4 Three-Phase Voltage / Current Input

Type	Range	Resolution	Accuracy ±(ppm of reading + ppm of range) [1]
			Direct Input	Clamp Current Input [3]
AC Voltage ACV	57.7 V	0.1 mV	300 + 200	——
	100 V	1 mV	300 + 200	——
	220 V	1 mV	300 + 200	——
	380 V	1 mV	300 + 200	——
AC Current ACI	1 A	10 μA	300 + 200	——
	5 A	10 μA	300 + 200

• Voltage input：6 V～456 V，Current input：0.1 A～6 A
• Frequency：45 Hz～70 Hz，Accuracy：± 0.01 Hz
• Phase：0.000°～359.999°，Accuracy：± 0.02°;

5.5 Three-Phase Power Input

Type	Accuracy
	Direct Input	Clamp Current Input
Active power	± 0.05%*FS	± 0.2%*FS
Reactive power	± 0.1%*FS	± 0.5%*FS
Apparent power	± 0.1%*FS	± 0.5%*FS
Power factor	± 0.1%	± 0.5%

5.6 DC Voltage / Current Output

Voltage Range	Resolution	Stability ( %/min )		Accuracy ±(ppm of reading + ppm of range) [1]		Max Burden (mA)
		Class 0.05	Class 0.02	Class 0.05	Class 0.02
75 mV	0.1 μV	0.005	0.005	300 + 200	120 + 80	10
1 V	10 μV	0.005	0.005	300 + 200	120 + 80	10
10 V	0.1 mV	0.005	0.005	300 + 200	120 + 80	10
30 V	0.1 mV	0.005	0.005	300 + 200	120 + 80	500
100 V	1 mV	0.005	0.005	300 + 200	120 + 80	150
300 V	1 mV	0.005	0.005	300 + 200	120 + 80	50
600 V	1 mV	0.005	0.005	300 + 200	120 + 80	25

Current Range	Resolution	Stability ( %/min )		Accuracy ±(ppm of reading + ppm of range) [1]		Max Burden (V)
		Class 0.05	Class 0.02	Class 0.05	Class 0.02
1 mA	10 nA	0.01	0.005	300 + 200	120 + 80	10
5 mA	10 nA	0.01	0.005	300 + 200	120 + 80	10
20 mA	100 nA	0.01	0.005	300 + 200	120 + 80	10
100 mA	1 μA	0.01	0.005	300 + 200	120 + 80	10
1 A	10 μA	0.01	0.005	300 + 200	120 + 80	10
20 A	0.1 mA	0.01	0.005	300 + 200	120 + 80	10

• DC voltage output range：10 mV～660 V，ripple factor：< 1%；
• DC current output range：0.1 mA～22 A，ripple factor：< 1%
• Voltage short circuit, current open-circuit and overload protection

5.7 DC Meter（Transmitter）

Range	Measurement Range	Accuracy	Measurement Range of Ripple	Accuracy of Ripple
1 V	± ( 0～1.2 ) V	± 0.01%*RG	0～30 mV	± 1 mV
10 V	± ( 0～12 ) V	± 0.01%*RG	0～300 mV	± 10 mV
2 mA	± ( 0～2.4) mA	±0.01%*RG	0～60 μA	± 2 μA
20 mA	± ( 0～24 ) mA	± 0.01%*RG	0～600 μA	± 20 μA

• Response time：measurement range：0～1000 ms，accuracy：± 40 ms
5.8 Test Energy Meter（option）

Type	Accuracy
	Class 0.05	Class 0.02
Active electrical energy	± 0.1%*reading	± 0.05%* reading
Reactive electrical energy	± 0.2%* reading	± 0.1%* reading

• Energy pulse output：full range for 60 kHz
• Energy pulse input：max frequency is 1 kHz，pulse level：3 V～12 V
• Constant setting of Electrical energy meter：1…1000000 imp./kwh or 1…1000000 imp./ws
5.9 U4 Voltage Output（option）

• Voltage range：100 V, 380 V
• Output range：(0～110)%*RG
• Accuracy：± 0.05%*RG
• Max output power：10 VA
• Frequency range：45 Hz～55 Hz
• The function is used to test Synchrometer.

6. General Specifications

Power Supply	AC ( 220 ± 22 ) V，( 50 ± 2 ) Hz
Temperature Performance	Working temperature：0°C~45°C; Storage temperature：-20°C~70°C
Humidity Performance	Working humidity：< 80% @ 30°C，< 70% @ 40°C，< 40% @ 50°C Storage humidity：(20%~80%) R·H，non-condensing
Interface	RS232

7. Ordering Information

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