Handheld Transformer Turns Ratio Tester (Built-in Battery)

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ITEM: RUN-HTT10F The handheld transformer turns ratio tester with built-in rechargeable battery is a portable and intelligent instrument designed for on-site measurement of transformer turns ratio, phase relationship, and wiring polarity. Its compact design and battery operation make it ideal for field testing, substations, and maintenance work where AC power is unavailable. Handheld TTR tester is more convenient and can be connected to Bluetooth.

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Here is a professional, product-ready description for a Handheld Type Transformer Turns Ratio Tester with Battery

The handheld transformer turns ratio tester with built-in rechargeable battery is a portable and intelligent instrument designed for on-site measurement of transformer turns ratio, phase relationship, and wiring polarity. Its compact design and battery operation make it ideal for field testing, substations, and maintenance work where AC power is unavailable.

Ⅰ: Parameters of Handheld Transformer turns ratio tester

The ratio test ensures that the transformer windings have the proper turns to produce the voltages required.

The ratio is a measure of the voltage applied to the primary terminals to the voltage measured at the secondary terminals.

1	Test Range	ratio	0.9～10000
2	Accuracy	±0.1%+2 digit	0.9-500
		±0.2%+2 digit	501-2000
		±0.5%+2 digit	2001-10000
3	Output Voltage	Automatically adjust according to load
5	Best Resolution	0.0001
6	Power Supply	Internal Battery
7	Temperature Range	-10℃～40℃
8	Relative Humidity	0 ~ 85%, non-condensing
9	Dimension	Instrument Case 360290170(mm)	Accessories Case 360290170(mm)
10	Weight	Instrument 5 KGS	Accessories case 5.5 KGS

Ⅱ: Main features for TTR Meter

1. Using a three-phase precision inverter power supply as the measurement voltage, which eliminates the harmonic influence of the mains voltage during measurement and makes the measurement more accurate. no influence when working power source is generator.

2. The three-phase output voltage is adopted to improve the test speed. The angle between phases can be measured, and the wiring group 0-11 can be automatically identified.

3. It is suitable for a wide variety of transformers, especially suitable for the measurement of Z-type transformers, rectifier transformers, grounding transformers, electric furnace transformers, phase-shifting transformers, balance transformers, etc.

4. With high and low voltage reverse connection protection, transformer turn-to-turn short-circuit protection, tap switch failure protection, output full short-circuit protection, and increase the stability of the instrument.

5. After inputting the rated parameters, it can automatically measure the transformer ratio, error value and tap position of the tap changer. Especially for tap changers with asymmetric tapping, the accurate position of the tap changer of the transformer can also be accurately measured. A tap switches capable of measuring 99 tap positions.

6. Adopt 7-inch high-definition color touch screen LCD, modular display, good visibility even under strong light.

7. Can be connected to an external printer to print measurement data, environment friendly.

8. High quality multifunctional engineering plastic box is cold-resistance, high temperature resistance, water proof, shake proof, which is suitable for field test.

Ⅲ: The following is the video about the portable transformer turns ratio tester:

Applications

Power transformers
Distribution transformers
Instrument transformers (PT/CT)
Substations and power plants
Electrical testing and maintenance companies

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tag：3 Phase Transformer Turns Ratio Meter, Digital Transformer Turns Ratio Meter, transformer ratio group tester