Extech Instruments EX845 User Manual page 2

Introduction
Congratulations on your purchase of the Extech EX845 CAT IV True RMS 1000A Clamp
Meter. This meter is supplied in the Meterlink kit and includes a Bluetooth module
designed for use with the Flir T/B360, T/B400 or i/b60 cameras The combination of a
clamp meter and an IR camera is used for electrical power measurement, analysis and
documentation. The EX845 measurement functions include AC/DC Voltage, AC/DC
Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode Test, Continuity, Type k
thermocouple thermometer plus Non-Contact IR Temperature. Proper use and care of this
meter will provide many years of reliable service.
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.
Function
A AC, ADC
V DC, V AC
Resistance, Capacitance, Frequency, Diode Test
Type K Temperature
Maximum Input
1000A DC/AC
1000V DC/AC
250V DC/AC
60V DC, 24V AC
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