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Explanations of Symbols 

The voltage tester shows the following symbols: 

 

Inserting/Changing the Batteries 

The voltage tester is operated with two micro-batteries (type AAA, in the scope of delivery). 
Proceed as follows to insert or change the batteries:  
• Loosen the screw on the battery compartment lid (9) with a suitable screwdriver 
and remove it. 
• Insert two micro-batteries (AAA) into the battery compartment. Observe the 
polarity information in the battery compartment. If possible, use alkaline 
batteries.They guarantee a longer service life. 
• Then, carefully close and screw down the battery compartment lid again.  

The batteries need to be changed if the „Low Bat

 “symbol lights up on the 

LCD display or when the LCD display stays dark after contacting both test tips. 
 

 

The voltage tester will show no reading if the batteries are flat. The device must not 
be operated with flat batteries or without batteries.

 

DC 

DC voltage 

AC 

AC voltage

 

 

DC voltage negative potential (DC)

 

 

Phase display from 100 to 690V ~ 50/60Hz 

when used as a „single-pole“ phase tester.

 

 

Continuity test symbol

 

 

Rotating field display clockwise

 

 

Rotating field display anticlockwise

 

 

Device for work to be performed with voltage present

 

 

Battery replacement symbol 

Содержание AX-T903

Страница 1: ...L2 L1 TEST AUTO VOLTAGE TESTER AX T903 OPERATING INSTRUCTION...

Страница 2: ...gulations regarding excessive contact voltages must receive utmost attention when working with voltages exceeding 120V 60V DC or 50V 25V rms AC The values in brackets are valid forlimited ranges as fo...

Страница 3: ...en subjected to mechanical stress during transport All relevant statutory regulations must be adhered to when using this instrument Appropriate Usage The instrument may only be used under those condit...

Страница 4: ...Range detection automatic Response time Updates 2 3 sec ACV Frequency range 50 60Hz Internal impedance approx 1M Operation time Long LCD on 4 5V AC DC Single pole Phase Test Voltage range 100 690V AC...

Страница 5: ...AA Batteries Temperature range 10 C up to 55 C Humidity max 85 relative humidity Overvoltage class CATIII 1000V age Tester Description 1 Handle test probe L1 2 Instrument test probe L2 3 measurement p...

Страница 6: ...arantee a longer service life Then carefully close and screw down the battery compartment lid again The batteries need to be changed if the Low Bat symbol lights up on the LCD display or when the LCD...

Страница 7: ...ght may have an adverse effect on the display For DC measurements test tip is the positive pole and the test tip is the negative pole Before each voltage measurement check that the device is working p...

Страница 8: ...self on automatically when the test starts and switches itself back off when the test has been completed Check for correct functioning before beginning the test If you connect the two test tips with e...

Страница 9: ...ng or impair operation Never try to open the housing apart from the battery compartment When the device has become unusable dispose of it in accordance with the current statutory regulations Disposal...

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