External Structure; Operating Instructions; Power On/Off The Primary High-Voltage Clamp Sensor; Power On/Off The Tester - UNI-T UT225B Operating Manual

High voltage transformer turns ratio tester
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V. External Structure
1. Primary clamp sensor
2. Antenna
3. Power indicator
4. Power button
5. Connector of insulation stick
6. LCD display
VI. Operating Instructions
Please check if any product component is damaged before use. Do
not use if damaged component is found.
Install battery according to the user manual.

1. Power On/Off the Primary High-Voltage Clamp Sensor

When "
" is pressed, the high-voltage clamp sensor is powered on (with the indicator light "
up) and it starts automatic testing. The testing results (current, pulse and others of the high-voltage
end) are sent to the tester via wireless transmission. The indicator light "
15 minutes after the clamp sensor is powered on, to indicate auto power off. After the indicator light
"
" flashes continuously for about 30 seconds, the clamp sensor powers off automatically to save
battery power. If "
" is pressed when the POWER indicator light flashes continuously, the clamp
sensor can continue working. Press "

2. Power On/Off the Tester

When "
" is pressed, the tester powers on and then enters receiving mode (picture below). The
primary current is the testing data of the high-voltage end, the secondary current is the testing data
7. MEN button and arrow buttons
8. Input port for secondary clamp sensor
9. USB port
10. Output plug for secondary clamp sensor
11. Secondary clamp sensor
12. Insulation stick
" to power off the clamp sensor.
4
" lit
" flashes continuously

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