Difference between revisions of "Coolant Temperature Sensor (CTS)"
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(New page: The Coolant Temperature Sensor (CTS) is a sensor for reporting the engine coolant temperature to the ECM. It consists of a thermistor in a sealed package which screws into the thermost...) |
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Thermistors are negative temperature coefficient devices and from the Lotus parts manual EMK.4, the Elan has the following characteristics: | Thermistors are negative temperature coefficient devices and from the Lotus parts manual EMK.4, the Elan has the following characteristics: | ||
| − | Temp(°C) Resistance(ohms) | + | '''Temp(°C) / Resistance(ohms)''' |
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| − | This matches a thermistor with characteristics of R0=2700 ohms and Beta=3977 such as [http://uk.farnell.com/jsp/Passive+Components/Resistors,+Thermistors+&+Potentiometers/VISHAY+BC+COMPONENTS/238164055272/displayProduct.jsp?sku=1187038 this one for £1.42]. | + | '''100 / 185''' |
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| + | '''70 / 450''' | ||
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| + | '''38 / 1800''' | ||
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| + | '''20 / 3400''' | ||
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| + | '''4 / 7500''' | ||
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| + | '''-7 / 13500''' | ||
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| + | '''-18 / 25000''' | ||
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| + | '''-40 / 100700''' | ||
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| + | This matches a thermistor with characteristics of R0=2700 ohms and Beta=3977 such as [http://uk.farnell.com/jsp/Passive+Components/Resistors,+Thermistors+&+Potentiometers/VISHAY+BC+COMPONENTS/238164055272/displayProduct.jsp?sku=1187038 this one for £1.42] but you'll need a package (~£50?) to put it in. | ||
Revision as of 01:52, 17 February 2008
The Coolant Temperature Sensor (CTS) is a sensor for reporting the engine coolant temperature to the ECM. It consists of a thermistor in a sealed package which screws into the thermostat housing.
Thermistors are negative temperature coefficient devices and from the Lotus parts manual EMK.4, the Elan has the following characteristics:
Temp(°C) / Resistance(ohms)
100 / 185
70 / 450
38 / 1800
20 / 3400
4 / 7500
-7 / 13500
-18 / 25000
-40 / 100700
This matches a thermistor with characteristics of R0=2700 ohms and Beta=3977 such as this one for £1.42 but you'll need a package (~£50?) to put it in.
