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OLTC Portable Transformer Online Testing on-Load Tap Swith Tester

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[China]

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Address: No.85 Zhong Shan Yi Road, Yu Zhong District, Chongqing, China. 400010

Contact name:Tina Chen

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Country/Region	china
City & Province	chongqing chongqing

OLTC Portable Transformer Online Testing on-Load Tap Switch Tester can record switch operation waveform in the overall process. The longest time is 6.4s.
It can test various parameters such as transition waveform, transition time, transition resistance, and three-phase synchronization one time and analyze results automatically.
It has power-off protection, over-voltage protection, a perpetual clock, and high-speed printing.

Features:

Test transformers of type Y0 Y Δ and display resistance value directly.
Automatically analyze waveform faults and mark the fault.
Automatically adjust resistance value and time range according to sampling data.
Transformer type Δ is able to display to synchronization status of three phases.
Be able to test with winding or without winding.
Four terminal connection modes provide high accuracy of resistance measurement.
Continuous test to save time of power off.
Make a word report.
800×480 colorized LCD with touch screen and high-speed printer.
Store 1000 groups of data and also can be saved by USB flash disk.

Parameters:

Item Name	OLTC Portable Transformer Online Testing on-Load Tap Switch Tester
Three-phase constant current source charge	Three-phase constant current source charge
Maximum voltage of the port	24V
Maximum range of transition resistance	100Ω
Measuring range	1A: 0.4Ω~20Ω 0.2A: 10Ω~100Ω
Record time of waveform	300ms
Sample rate	30k
Resolution of time	0.1ms
Resolution of resistance	0.1Ω
Accuracy of transition resistance	±5% Reading±0.1Ω
Accuracy of transient time	±0.5% Reading±0.2mS
Temperature	-10-40°C
Humidity	<85%RH

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