EX830A-en-GB_v5.8 5/17
Introduction
Congratulations on your purchase of the Extech EX830 True RMS 1000A Clamp Meter. This meter
measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Diode Test,
Continuity, Type k thermocouple thermometer plus Non-Contact IR Temperature. This device is
shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
Please visit our website (www.extech.com) to check for the latest version and translations of this
User Manual, Product Updates, Product Registration, and Customer Support.
Safety
International Safety Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must refer to the
manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages
may be present
Double insulation
SAFETY NOTES
• Do not exceed the maximum allowable input range of any function.
• Do not apply voltage to meter when resistance function is selected.
• Set the function switch OFF when the meter is not in use.
• Remove the battery if meter is to be stored for longer than 60 days.
WARNINGS
• Set function switch to the appropriate position before measuring.
• When measuring volts do not switch to current/resistance modes.
• Do not measure current on a circuit whose voltage exceeds 600V.
• When changing ranges always disconnect the test leads from the circuit under test.
A AC, ADC 1000A DC/AC
V DC, V AC 600V DC/AC
Resistance, Capacitance, Frequency, Diode Test 250V DC/AC
Type K Temperature 60V DC, 24V AC
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