FLIR DM91 USER MANUAL Document Identifier: DM91-en-US_AB
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8.
Maintenance
8.1 Cleaning and Storage
Clean the meter with a damp cloth and mild detergent. Do not use abrasives or solvents.
If the meter is stored for an extended period, remove the batteries and store them
separately.
8.2 Battery Replacement
The Battery symbol flashes
with no ‘bars’ when the batteries have reached a critical
level.
The meter displays readings within specifications while the low battery indicator is on.
The meter powers off before it can display an out of tolerance reading.
WARNING
: To avoid electrical shock, disconnect the meter from any connected circuits,
remove the test leads from the meter terminals, and set the function switch to the OFF
position before attempting to replace the batteries.
1.
The DM91 is equipped with an easy-open battery compartment
2.
Turn the compartment fastener to the unlocked position using a flat-head
screwdriver.
3.
Open the battery compartment.
4.
Repla
ce the 3x1.5V ‘
AA
’
alkaline batteries, observing correct polarity.
5.
Turn the compartment fastener to the locked position with the screwdriver.
6.
Secure the battery compartment before using the meter.
8.3 Fuse Replacement
The two fuses are accessed via the battery compartment cover. The fuses are rated:
•
mA: 440 mA, 1000 V IR 10 kA fuse (Bussmann DMM-B-44/100).
•
A: 11 A, 1000 V IR 20 kA fuse (Bussmann DMM-B-11A).
8.4 Disposal of Electronic Waste
As with most electronic products, this equipment must be disposed of in an
environmentally friendly way, and in accordance with existing regulations for electronic
waste. Please contact your FLIR Systems representative for more details.
