AD55 Underground Articulated Truck Braking System Caterpillar

Temperature Sensor (Brake Oil)

Usage:

AD55 ANW

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Illustration 1	g03393458

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Table 1
Specification for 134-2252 Temperature Sensor Gp
Item	Qty	Part	Specification Description
1	1	134-2252 Temperature Sensor Gp	Torque to 20 ± 5 N·m (177 ± 44 lb in).
-	-	-	Output type is PWM.
-	-	-	Supply voltage range is 7.5 to 8.5 VDC.
-	-	-	Output frequency is 500 ± 200 Hz.

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NOTICE

The sensor supply voltage must not be connected to battery voltage

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Table 2
Digital Temperature Sensor Duty Cycle Specification
Temperature	Duty Cycle⁽¹⁾
−40° to −20°C (−40° to −4°F)	10 to 11.3%
−20° to 0°C (−4° to 32°F)	11.3 to 15%
0° to 20°C (32° to 68°F)	15 to 23.2%
20° to 40°C (68° to 104°F)	23.2 to 37.2%
40° to 60°C (104° to 140°F)	37.2 to 54.7%
60° to 80°C (140° to 176°F)	54.7 to 70.6%
80° to 100°C (176° to 212°F)	70.6 to 82%
100° to 120°C (212° to 248°F)	82 to 89.3%

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⁽¹⁾	Tolerance is ± 10%.

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NOTICE

Any temperature above 120 °C (248 °F) could cause permanent sensor damage

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