Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
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Heater Core Temperature Sensor / Switch: Testing and Inspection
1.
Immerse the CELO sensor in water.
2.
Using a stove, heating the water measure the resistance between terminal 1 and terminal 2.
3.
Check the resistance value is within specification as shown in the graph.
Water temperature
Resistance
25° C 10 ± 0.5 K Ohms
60° C 2.56 ± 0.3 K Ohms
