ThermistorCalibration - Revision history

Millsj at 04:58, 26 July 2006

Millsj — Wed, 26 Jul 2006 04:58:04 GMT

←Older revision		Revision as of 04:58, 26 July 2006
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-	~~Temperature~~ sensors ~~order~~ from BMW part # 62110788115. They are just the simple one wire-hookup type, the housing is the ground. They were very easy to calibrate actually. A lot easier than I thought. Just get yourself a known working thermometer and freeze and boil some water measuring the Ohm's at 3 three known intervals. Here are my results	+	The temperature sensors were ordered from my local independent BMW parts dealer. OEM part number 62110788115. They are just the simple one wire-hookup type, the housing is the ground. They were very easy to calibrate actually. A lot easier than I thought. Just get yourself a known working thermometer and freeze and boil some water measuring the Ohm's at 3 three known intervals. Here are my results:

	{\|		{\|
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	I then plugged them into my MegaSquirt and they all checked out. That simple.		I then plugged them into my MegaSquirt and they all checked out. That simple.
		+
		+	[[Image: Thermistor calibaration.JPG]]

Millsj — Sat, 22 Jul 2006 06:11:35 GMT

←Older revision		Revision as of 06:11, 22 July 2006
Line 1:		Line 1:
-	Temperature sensors:	+	Temperature sensors order from BMW part # 62110788115. They are just the simple one wire-hookup type, the housing is the ground. They were very easy to calibrate actually. A lot easier than I thought. Just get yourself a known working thermometer and freeze and boil some water measuring the Ohm's at 3 three known intervals. Here are my results

	{\|		{\|
	\| <b>F</b>		\| <b>F</b>
	\| <b>Ohms</b>		\| <b>Ohms</b>
		+	\|-
		+	\|44
		+	\|1.300
	\|-		\|-
	\|80		\|80
	\|0.568		\|0.568
-	\|-
-	~~\|44~~
-	~~\|1.300~~
	\|-		\|-
	\|185		\|185
	\|0.73		\|0.73
	\|}		\|}
		+
		+	I then plugged them into my MegaSquirt and they all checked out. That simple.

Millsj — Sat, 22 Jul 2006 00:08:44 GMT

Millsj — Fri, 21 Jul 2006 23:42:29 GMT

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Temperature sensors:

80 - .568