Major tech MT478 Manuale d'uso - Pagina 13

Sfoglia online o scarica il pdf Manuale d'uso per Apparecchiature di prova Major tech MT478. Major tech MT478 16. Voltage tester

5. Operation

"L" signiﬁes that the supposed phase L1 is the actual phase L2 and the

supposed phase L2 is the actual phase L1.

When re-testing with exchanged test probes the opposite symbol has to be

illuminated.

5.8 Measurement Point Illumination

Voltage testers are equipped with a measurement point illumination

feature. Thus, working under bad lighting conditions (e.g. division switch

cabinets) is made easier. Press button for measurement point illumination

(15) on instrument rear.

5.9 Maintenance

When using voltage testers in compliance with the instruction manual, no

particular maintenance is required. If functional errors occur during normal

operating, our service department will check your instrument without delay.

5.10 Cleaning

Prior to cleaning, remove voltage test from all measurement circuits. If the

instruments are dirty after daily usage, it is advisable clean them by using

a damp cloth and a mild household detergent. Never use acid detergents

or dissolvents for cleaning.

After cleaning, do not use the voltage tester for a period of approx. 5

hours.