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Portable Multifunction Three Phase Energy Meter Tester CT Analyzer on-Site Verification electrical meter Calibrator

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Tunkia Co., Ltd.

Audited Supplier 4 years

Profile Certified by SGS/BV

Hunan, China
Eugene (Mr.)
Overseas Dept. Director

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Product Detail

Model NO.:

TD3250

After-sales Service:

Life Time

Warranty:

12 Months Excellent After Service

Application:

Electrical Calibration

Power:

Electricity

Certification:

SGS

Voltage Output:

/

LCD Display:

With LCD Display

Customized:

Non-Customized

Accuracy:

Class 0.02 or 0.05

3PH Voltage Measurement:

0~480 V

3PH Current Measurement (direct):

50 mA~ 12A

3PH Current Measurement (clamp):

100 mA~ 120 A

Trademark:

TUNKIA

Transport Package:

Package for Exporting

Origin:

China

Product Description

TD3250 Portable Three-Phase Energy Meter Tester

1. Summary

TD3250 is a portable standard meter specially used for electric energy meter on-site detection, AC sampling etc. It integrates the functions of electrical parameter measurement, electric energy meter calibration, connection mode identification, harmonic analysis, waveform display, phasor diagram display, data management.

2. Features

Accuracy: Class 0.02 or 0.05.
3PH voltage measurement: 0~480 V.
3PH current measurement (direct) : 50 mA~ 12 A.
3PH current measurement (clamp) : 100 mA~ 120 A.
Support electric energy pulse optical/electrical pulse input.
LCD touch screen.
Support AC 100 V~264 V wide range supply.
Support large capacity lithium battery.
Internal memory, and quickly record test data.
USB and RS232 interfaces.

3. Application

☆ Calibration for Energy Meter Online

Support direct measurement for 10 V~480 V, 0.05 A~12 A, and current clamp measurement for 0.1 A~120 A; electric energy metering;
Application 1 (direct measurement of current): applicable to the calibration of single-phase / three-phase voltage source, current source, power source, etc. in the laboratory or on site.
Application 2 (use clamp for current): It is not necessary to cut off the circuit, just clamp the current line into the jaw, and you can real-time measuring online.

☆ CT Transformation Ratio Calibration

CT transformation ratio test: use large current clamp for primary signal of CT, and with small current clamp for secondary signal of CT; Calculate the transformation ratio of CT and the phase relationship of primary/secondary current. Help judge if the CT runs well.
Note: Standard configuration for 5 A clamp, which can be used for the secondary side, If user need other clamps should indicate the optional specification in the order.

4. Characteristics

☆ Convenient Operation

Color LCD screen, supporting touch operation.
Front panel wiring: convenient for the user to replace the test lead.
220 V mains power supply or the lithium battery mode available.
Internal memory and quickly record the test data, data can be transferred to the PC.

The volume is equivalent to the conventional tool box, weighs about 8 kg.

☆ Connection Mode Identify and Graphical Display

S/N	Function declaration
1	Accurately measure/display the amplitude and phase of voltage and current of each phase.
2	Accurately measure the phase between voltage and current of each phase, and visually display them in the form of phasor diagram.
3	Automatically identify the actual results of voltage and current, including phase sequence display.
4	The trend chart display function of the measuring channel can display the trend change of the measured electricity quantity with time.
5	Users can customize single or multiple power waveforms for display.

☆ Harmonic Function

S/N	Function
1	It can measure 2^nd ~63^rd harmonics and display the amplitude or content.
2	Display the phase value of each harmonic.
3	Display the waveform after harmonic superposition.
4	Display the phase of each harmonic. The spectrum of each harmonic is displayed visually in the form of histogram (fundamental wave is 100%).

☆ Data Management

The equipment can store and manage the test data on site.
The selected data can be saved to the mobile USB flash disk.

☆ Test Software

USB and LAN communication interfaces, and customize the test report.

5. Specifications

5.1Three phase voltage/current measurement

Type	Measurement Mode	Range	Resolution	Accuracy ±(ppm of reading + ppm of range)^[1]
Type	Measurement Mode	Range	Resolution	Class 0.05	Class 0.02
*ACV*	Direct Measurement	110 V	1 mV	300 + 200	120 + 80
		220 V	1 mV	300 + 200	120 + 80
		440 V	1 mV	300 + 200	120 + 80
*ACI*	Direct Measurement	1 A	10 μA	300 + 200	120 + 80
	Direct Measurement	10 A	100 μA	300 + 200	120 + 80
	Clamp Measurement	1 A^[2]	10 μA	0.2%*RG	0.1%*RG
		5 A	10 μA	0.2%*RG	0.1%*RG
		10 A^[2]	100 μA	0.2%*RG	0.1%*RG
		20 A^[2]	100 μA	0.2%*RG	0.1%*RG
		100 A^[2]	1 mA	< 50 A: 0.2%RG; ≥ 50 A: 0.5%RG	< 50 A: 0.1%RG; ≥ 50 A: 0.2%RG
Note [1]: (ppm = parts per million) (e.g., 10ppm = 0.001%). Note [2]: The clamp of 5A model is standard, and other models is option.

Voltage input: 10 V~480 V, 6-digits decimal display.
Current input (direct measurement): 0.05 A~12 A, 6-digits display.
Current input (clamp measurement): 0.1 A~6 A, 6-digits display.

5.2 Frequency/Phase

Frequency	Range	45.000 Hz~65.000 Hz
	Resolution	0.001 Hz
	Accuracy	± 0.01 Hz
Phase	Range	0.000°~359.999°
	Resolution	0.001°
	Accuracy	Direct Measurement: ± 0.05°
	Accuracy	Clamp Measurement: ± 0.2°

5.3 Three Phase Power / Energy Measurement

Power/Energy Parameters	Accuracy
	Direct Measurement		Clamp Measurement
	Class 0.05	Class 0.02	Class 0.05	Class 0.02
Active P/E \| cos φ\| ≥0.5	± 0.05%*FS^[3]	± 0.02%*FS^[3]	± 0.2%*FS^[3]	± 0.1%*FS^[3]
Reactive P/E \| sin φ\| ≥0.5	± 0.1%*FS^[3]	± 0.05%*FS^[3]	± 0.5%*FS^[3]	± 0.2%*FS^[3]
Apparent power	± 0.1%*FS^[3]	± 0.05%*FS^[3]	± 0.5%*FS^[3]	± 0.2%*FS^[3]
Power factor	± 0.0005	± 0.0005	± 0.002	± 0.002
Note [3]: FS=voltage range value × current range value.

Power factor measurement range: -1.000 0... 0.000 0... 1.000 0.
Standard electric energy pulse output: high frequency full range value corresponds to 60 kHz, low frequency full range value corresponds to 6 Hz.
Standard electric energy pulse input: frequency ≤ 200 kHz, voltage: 0... 3.3 V... 24 V.

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	USB, LAN

7. Ordering Information

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