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Extech Instruments 380941 User Manual

Extech Instruments 380941
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380941 V3.1 10/06
3
Front Panel Description
1. Current sense jaw
2. Measurement Trigger
3. Function switch
4. Data Hold key
5. Max Min key
6. One-touch DCA zero key
7. LCD Display
8. 40 segment bargraph display
9. Positive input terminal for V, HZ and
10. COM terminal
International Symbols
!
Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Earth (Ground)
Safety
This meter has been designed to be safe in use, but the operator must use caution in its
operation. The rules listed below should be carefully followed for safe operation.
1. NEVER apply voltage or current to the meter that exceeds the specified maximum:
2. USE EXTREME CAUTION when working with high voltages.
3. DO NOT measure voltage if the voltage on the "COM" input jack exceeds 500V above
earth ground.
4. NEVER connect the meter leads across a voltage source while the function switch is
in the current, resistance or diode mode; doing so can damage the meter.
5. ALWAYS discharge filter capacitors in power supplies and disconnect the power
when making resistance or diode tests.
6. ALWAYS turn off the power and disconnect the test leads before opening the back to
replace the fuse or batteries.
7. NEVER operate the meter unless the back cover and the battery/fuse door are in
place and fastened securely.
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Extech Instruments 380941 Specifications

General IconGeneral
BrandExtech Instruments
Model380941
CategoryMultimeter
LanguageEnglish

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