Table of Contents
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Section 6
Maintenance
6.5.1
Individual Tests
Some instrument components/operation can be verified as follows :
6.5.1.1
Heater Cartridge
Conduct the procedure for changing the heater cartridge within the transmitter,
(see
Replacement of the Heater Element), up to operation 4. Remove one
lead from the heater cartridge and measure the resistance across the two
cartridge terminals. It should be about 3.5. If it is open circuit the heater
cartridge needs replacing.
6.5.1.2
Chopper Motor
Conduct the procedure for adjusting the chopper frequency in the transmitter,
(see
Page: 123
Issue: A
Revision: 1
Date: 24/07/19
Ref: 100606
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