Oakton Type J - Maintenance; Cleaning; Batteries

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18. MAINTENANCE
Properly us ed, the th ermome ter should
maintain calibr ation in defi n itel y and not
require service other tha n occasional
cleaning
of the housing and changing
of
the batteries.
19. CLEANING
WARNING:
TO PREVENT IGNITION OF A
HAZARDOUS AT M OSPHERE BY
E
L E C TROSTATI C DISCHARGE,
CLEAN WITH DAMP CLOTH.
Do not clean wi th abrasives or solven ts.
Use mild deter ge nts, never immerse nor
use excessive fluid.
20. BATTERIES
If there is no display when the
thermometer is turned on, check
cond ition of th e t h r e e AA ba tteries.
Also
check that th e batter y ter minals are
clean and batteries are properly install ed.
If replacement is necessary , refer to the
BATTERY INSTALLATION AND
REPLA
C EMENT se ction for replacemen t
proced ure.