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Maintenance
WARNING: To avoid electrical shock, remove the test leads, disconnect the meter from
any circuit and turn OFF the meter before opening the case. Do not operate with an open case.
Battery Replacement
1) When the low battery symbol appears on the LCD the batteries must be replaced.
2) Power down and remove the Phillips head screw that secures the battery compartment at the
back of the meter.
3) Open the battery compartment and replace the two 1.5V AAA batteries observing correct
polarity. Re-assemble the meter before use.
Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may
explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store
separately.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection
sites, the retail store where the batteries were purchased, or wherever batteries are sold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take end-of-
life devices to a designated collection point for the disposal of electrical and electronic equipment.
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Copyright © 2013‐2017 FLIR Systems, Inc.
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www.extech.com
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MA150-en-GB_V2.4 1/17
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