background image

 

 

The voltage testers may no longer be used if one or several functions fail or if no 
functionality is indicated. 

 

Do not use this instrument under damp conditions

 

Perfect display I sonly guaranteed within a temperature range of -10

°

C up to +55

°

C, 

at relative humidity question <85%. 

 

If the operator’s safety cannot be guaranteed, the instrument must be removed 
from service and protected against use. 

 

The safety can no longer be insured if the instrument: 

 

Shows obvious damage 

 

does not carry out the desired measurements 

 

has been stored for too long under unfavorable conditions 

 

has been 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 conditions and for those purposes for which it was 
conceived. For this reason, in particular the safety references, the technical data including 
environmental conditions and the usage in dry environments must be followed.  

When modifying or changing the instrument, the operational safety is no longer ensured. 

The instrument may only be opened by an authorized service technician, e.g. for repair. 

Specyfication 

LCD display 

1999 counts (3 1/2 digit ) LCD display with bargraph & 
backlight 

Voltage range  

6,12, 24, 50, 120, 230, 400, 690V AC/DC 

Resolution 

1V AC/DC 

Tolerances 

DCV: +1.0% of r3 digit 

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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