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MAINTENANCE
7.1
7.1.1
Battery replacement
•
As battery power is not sufficient, LCD will
display "
battery type 9V is required.
•
Open battery cover, then take out the
battery from instrument and replace with a
new 9-Volt battery
•
Place the battery cover back.
7.2
WORKING TEST
To check the good working order of thermometer, aim it towards water containing
ice cubes, a simple 0° C (32° F) reference.
7.3
CLEANING THE MEASUREMENT LENS
•
Remove dust with a clean pear-shaped dust removing syringe
•
Carefully remove remaining particles using a clean and soft cloth.
•
Delicately clean the lens using a damp cloth and leave to dry in air.
Do not use solvent
7.4
CLEANING THE CASING
Clean the casing with a cloth lightly dampened with soapy water. Rinse off with a
damp cloth.
Do not use solvent.
7.5
MÉTROLOGICAL VERIFICATION
It is essential that all measuring instruments are regularly calibrated.
For checking and calibration of your instrument, please contact our accredited
laboratories (list on request) or the Chauvin Arnoux subsidiary or Agent in your
country.
7.6
MAINTENANCE
Repairs under or out of guarantee: please return the product to your distributor.
" replacement with one new
C.A 1864 – C.A 1866
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