320C, 322C and 325C Excavators Tool Control System – Senders

Temperature Sender (Hydraulic Oil)



Illustration 1 g00020687

Temperature Sender (Hydraulic Oil)

The temperature sender for the hydraulic oil connects to the Controller at CONN171-39. The resistance of the sender varies as the temperature changes. The table below lists the resistances:

Table 1
Resistances For Temperature Sender (Hydraulic Oil)    
Temperature     Resistance    
0 °C (32 °F)     20824 to 25451 Ohms    
25 °C (77 °F)     6134 to 7496 Ohms    
35 °C (95 °F)     3989 to 4875 Ohms    
50 °C (122 °F)     2224 to 2718 Ohms    
75 °C (167 °F)     973 to 1189 Ohms    
100 °C (212 °F)     475 to 522 Ohms    
125 °C (257 °F)     221 to 269 Ohms