Extech EX503 - Manuals

EX503-en-GB_ v5.3 4/15 11 Maintenance WARNING : To avoid electric shock, disconnect the test leads from any source of voltage before removing the back cover or the battery or fuse covers. WARNING: To avoid electric shock, do not operate your meter until the battery and fuse covers are in place and f...

EX503-en-GB_ v5.3 4/15 12 WARNING: To avoid electric shock, do not operate the meter until the battery cover is in place and fastened securely. NOTE: If your meter does not work properly, check the fuses and batteries to make sure that they are still good and that they are properly inserted. REPLACI...

EX503-en-GB_ v5.3 4/15 13 Specifications Function Range Resolution Accuracy DC Voltage 400mV 0.1mV  (0.5% reading + 2 digits) 4V 0.001V  (1.2% reading + 2 digits) 40V 0.01V 400V 0.1V 1000V 1V  (1.5% reading + 2 digits) AC Voltage 400mV 0.1mV  (2.0% reading + 10 dgts) 4V 0.001V  (2.0% reading + ...

EX503-en-GB_ v5.3 4/15 14  (+ digits) – This is the accuracy of the analog to digital converter. Enclosure Double molded, waterproof (IP67) Shock (Drop Test) 2 meters (6.5 feet) Diode Test Test current of 0.3mA typical, open circuit voltage 1.5V DC typical Continuity Check Audible signal will sound...