Page 2 - OVERVOLTAGE CATEGORY I; WARNING
EX520-en-GB_ v2.7 4/15 2 Introduction Congratulations on your purchase of the Extech EX520 True RMS Autoranging Multimeter. This meter measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency (electrical & electronic), Diode Test, and Continuity plus Thermocouple Temperature. It...
Page 3 - CAUTIONS
EX520-en-GB_ v2.7 4/15 3 CAUTIONS Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter. Always remove the test leads before replacing the battery or fuses. Inspect the condition of the test leads and the meter itse...
Page 6 - Operating Instructions
EX520-en-GB_ v2.7 4/15 6 Operating Instructions WARNING : Risk of electrocution. High-voltage circuits, both AC and DC, are very dangerous and should be measured with great care. 1. ALWAYS turn the function switch to the OFF position when the meter is not in use. 2. If “ OL ” appears in the display ...
Page 11 - Maintenance
EX520-en-GB_ v2.7 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...
Page 12 - still good and that they are properly inserted.; removing the fuse cover.
EX520-en-GB_ v2.7 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...
Page 13 - Specifications; Function Range Resolution
EX520-en-GB_ v2.7 4/15 13 Specifications Function Range Resolution Accuracy DC Voltage 600mV 0.1mV (0.09% reading + 2 digits) 6V 0.001V 60V 0.01V 600V 0.1V 1000V 1V AC Voltage 50 to 60Hz 40Hz to 1KHz 6V 0.001V (1.0% reading + 3 dgts) (2.0% reading + 3 dgts) 60V 0.01V 600V 0.1V 1000V 1V All AC ...
Page 14 - Resistance
EX520-en-GB_ v2.7 4/15 14 Function Range Resolution Accuracy Resistance 600 0.1 (0.3% reading + 4 digits) 6k 0.001k 60k 0.01k 600k 0.1k 6M 0.001M 40M 0.01M (0.3% reading + 20 digits) Capacitance 60nF 0.01nF (3.5% reading + 4 digits) 600nF 0.1nF 6 F 0.001 F 60 F 0....
Page 15 - Copyright; ISO
EX520-en-GB_ v2.7 4/15 15 Enclosure Double molded, waterproof (IP67) Shock (Drop Test) 2 meters (6.5 feet) Diode Test Test current of 0.9mA maximum, open circuit voltage 2.8V DC typical Continuity Check Audible signal will sound if the resistance is less than 100 (approx.), test current <0.35mA...