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ACV: +1.5% of r5 digit 

690VAC Max. measuring current 

approx. ≤3.0mA 

690VDC Max. measuring current 

approx. ≤2.5mA 

Voltage detection: 

automatic 

Polarity detection: 

full range 

Range detection: 

automatic 

Response time: 

Updates 2~3 / sec. 

ACV Frequency range: 

50/60Hz 

Internal impedance: 

approx. ≤1MΩ 

Operation time 

Long  

LCD on: 

>4. 5V AC/DC 

Single-pole Phase Test: 

 

Voltage range: 

100…690V AC 

ACV Frequency range: 

50/60Hz 

Continuity Test 

 

Resistance range: 

<300kΩ 

Test current: 

<5µA 

Overvoltage protection: 

690V AC/DC 

Rotary Field Indication 

 

Voltage range (LEDs): 

100…400V 

Summary of Contents for AX-T903

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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