Temperature Sensors Primer - Revision history

Jdecoux: /* How to Use with Phidgets */

2018-11-09T16:15:42Z

How to Use with Phidgets

← Older revision		Revision as of 16:15, 9 November 2018
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	===How to Use with Phidgets===		===How to Use with Phidgets===
	# Attach the wires from the thermistor to ~~the~~ RTD Phidget		# Attach the wires from the thermistor to an RTD Phidget
	# Place the thermistor where you want to sense temperature		# Place the thermistor where you want to sense temperature
	# Use the <code>ResistanceInput</code> object to measure the resistance of the thermistor		# Use the <code>ResistanceInput</code> object to measure the resistance of the thermistor

Jdecoux: /* Common Uses */

2018-11-07T22:46:00Z

Common Uses

← Older revision		Revision as of 22:46, 7 November 2018
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	These are commonly used in weather-sensing and climate-control applications.		These are commonly used in weather-sensing and climate-control applications.
	#Weather Stations		#Weather Stations
	#~~Thermostat~~		#Thermostats

	===How to Use with Phidgets===		===How to Use with Phidgets===

Jdecoux: /* Summary */

2018-11-07T18:20:48Z

Summary

← Older revision		Revision as of 18:20, 7 November 2018
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	\| Probe / Contact / Air		\| Probe / Contact / Air
	\| 0.2°C		\| 0.2°C
	\| 4°C+ <br/> (Thermistor Dependant)		\| 0.4°C - 4°C+ <br/> (Thermistor Dependant)
	\| 0.5s - 3s		\| 0.5s - 3s
	\| $		\| $
	\|}		\|}

Jdecoux at 21:06, 6 November 2018

2018-11-06T21:06:36Z

Jdecoux: /* Summary */

2018-11-06T20:34:59Z

Summary

← Older revision		Revision as of 20:34, 6 November 2018
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	\| 0.2°C		\| 0.2°C
	\| 4°C+ <br/> (Thermistor Dependant)		\| 4°C+ <br/> (Thermistor Dependant)
	\| 0.~~25s~~ - ~~0.5s~~		\| 0.5s - 3s
	\| $		\| $
	\|}		\|}

Jdecoux: /* Summary */

2018-11-06T20:33:43Z

Summary

← Older revision		Revision as of 20:33, 6 November 2018
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	\| Probe / Contact / Air		\| Probe / Contact / Air
	\| 0.2°C		\| 0.2°C
	\| 4°C+ <br/> (~~Depending on the~~ Thermistor)		\| 4°C+ <br/> (Thermistor Dependant)
	\| 0.25s - 0.5s		\| 0.25s - 0.5s
	\| $		\| $
	\|}		\|}

Jdecoux: /* Summary */

2018-11-06T20:32:00Z

Summary

← Older revision		Revision as of 20:32, 6 November 2018
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	\| Probe / Contact / Air		\| Probe / Contact / Air
	\| 0.2°C		\| 0.2°C
	\| 4°C		\| 4°C+ <br/> (Depending on the Thermistor)
	\| 0.25s - 0.5s		\| 0.25s - 0.5s
	\| $		\| $
	\|}		\|}

Jdecoux: /* Summary */

2018-11-06T20:14:36Z

Summary

← Older revision		Revision as of 20:14, 6 November 2018
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	\| Probe / Contact		\| Probe / Contact
	\| 0.75°C		\| 0.75°C
	\| 10°C (K-Type at 1260°C)		\| 10°C <br/> (K-Type at 1260°C)
	\| 0.5s - 3s		\| 0.5s - 3s
	\| $		\| $
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	\| 600°C <br/> (Platinum RTD)		\| 600°C <br/> (Platinum RTD)
	\| Probe / Contact		\| Probe / Contact
	\| 0.1 °C (Class AA probe at 0°C)		\| 0.1 °C <br/> (Class AA probe at 0°C)
	\| 3.5°C (Class B probe at 600°C)		\| 3.5°C <br/> (Class B probe at 600°C)
	\| 2s - 10s		\| 2s - 10s
	\| $$ - $$$		\| $$ - $$$

Jdecoux at 20:13, 6 November 2018

2018-11-06T20:13:43Z

← Older revision		Revision as of 20:13, 6 November 2018
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	The IR temperature sensor Phidget is the [{{SERVER}}/products.php?product_id=1045 1045 PhidgetTemperatureSensor IR]		The IR temperature sensor Phidget is the [{{SERVER}}/products.php?product_id=1045 1045 PhidgetTemperatureSensor IR]
	~~<!--~~
	==Thermistors==		==Thermistors==
	Like RTDs, thermistors are temperature sensing devices that rely on changing resistance to detect temperature. Unlike RTDs, thermistors ~~for use~~ in temperature sensing applications are typically made from ceramic materials which decrease in resistance as they are heated up. Also unlike RTDs, they have a non-linear resistance/temperature curve.		Like RTDs, thermistors are temperature sensing devices that rely on changing resistance to detect temperature. Unlike RTDs, thermistors used in temperature sensing applications are typically made from ceramic materials which decrease in resistance as they are heated up. Also unlike RTDs, they have a non-linear resistance/temperature curve.

	===Pros:===		===Pros:===
	* ~~Very inexpensive~~		* Inexpensive
	* Fast reaction time		* Fast reaction time
	* More accurate than thermocouples		* More accurate than thermocouples
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	===Cons:===		===Cons:===
	* Non-linear behaviour needs to be accounted for		* Non-linear behaviour needs to be accounted for
			* Not standardized (there are many different thermistors with many different characteristics)
	* Narrow temperature range		* Narrow temperature range
	* (Not directly supported by Phidgets)		* (Not directly supported by Phidgets)
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	# Use the ResistanceInput object to measure the resistance of the thermistor		# Use the ResistanceInput object to measure the resistance of the thermistor
	# Calculate the temperature using data provided on the thermistor's datasheet		# Calculate the temperature using data provided on the thermistor's datasheet
	~~-->~~
	==Summary==		==Summary==
	{\|		{\|
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	\| 0.25s - 0.5s		\| 0.25s - 0.5s
	\| $$ - $$$		\| $$ - $$$
			\|-
			! Thermistor
			\| 125°C - 200°C <br/> (Thermistor Dependant)
			\| Probe / Contact / Air
			\| 0.2°C
			\| 4°C
			\| 0.25s - 0.5s
			\| $
	\|}		\|}

Jdecoux: /* RTDs */

2018-11-06T19:15:11Z

RTDs

← Older revision		Revision as of 19:15, 6 November 2018
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	==RTDs==		==RTDs==
	[[Image:TMP1200-functional.jpg\|300px\|right\|link=]]		[[Image:TMP1200-functional.jpg\|300px\|right\|link=\|thumb\|TMP1200 with an RTD]]
	RTDs (Resistance Temperature Detectors) use the property of metals to change resistance with temperature to calculate the temperature of a probe. They can be used in many of the same applications as thermocouples, and are generally more accurate, though more expensive.		RTDs (Resistance Temperature Detectors) use the property of metals to change resistance with temperature to calculate the temperature of a probe. They can be used in many of the same applications as thermocouples, and are generally more accurate, though more expensive.

← Older revision		Revision as of 21:06, 6 November 2018
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	===How to Use with Phidgets===		===How to Use with Phidgets===
	#Put the sensor in the environment you want to sense the temperature, and you're good to go!		#Put the sensor in the environment you want to sense the temperature, and you're good to go!
	#Use the TemperatureSensor software object to get the temperature from the sensor		#Use the <code>TemperatureSensor</code> software object to get the temperature from the sensor

	Phidgets that use this kind of sensor include:		Phidgets that use this kind of sensor include:
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	2. Place the probe where you want to sense temperature.		2. Place the probe where you want to sense temperature.
	<br clear="all"/>		<br clear="all"/>
	3. Use the TemperatureSensor object to get the temperature of the probe.		3. Use the <code>TemperatureSensor</code> object to get the temperature of the probe.

	Examples of thermocouple Phidgets include:		Examples of thermocouple Phidgets include:
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	2. Place the probe where you want to sense temperature.		2. Place the probe where you want to sense temperature.
	<br clear="all"/>		<br clear="all"/>
	3. Use the TemperatureSensor object to get the temperature of the probe.		3. Use the <code>TemperatureSensor</code> object to get the temperature of the probe.

	The RTD Phidget is the [{{SERVER}}/products.php?product_id=TMP1200 TMP1200 RTD Phidget]		The RTD Phidget is the [{{SERVER}}/products.php?product_id=TMP1200 TMP1200 RTD Phidget]
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	1. Point the sensor at the object you want to measure the temperature of.		1. Point the sensor at the object you want to measure the temperature of.
	<br clear="all"/>		<br clear="all"/>
	2. Use the TemperatureSensor software object		2. Use the <code>TemperatureSensor</code> software object

	The IR temperature sensor Phidget is the [{{SERVER}}/products.php?product_id=1045 1045 PhidgetTemperatureSensor IR]		The IR temperature sensor Phidget is the [{{SERVER}}/products.php?product_id=1045 1045 PhidgetTemperatureSensor IR]
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	# Attach the wires from the thermistor to the RTD Phidget		# Attach the wires from the thermistor to the RTD Phidget
	# Place the thermistor where you want to sense temperature		# Place the thermistor where you want to sense temperature
	# Use the ResistanceInput object to measure the resistance of the thermistor		# Use the <code>ResistanceInput</code> object to measure the resistance of the thermistor
	# Calculate the temperature using data provided on the thermistor's datasheet		# Calculate the temperature using data provided on the thermistor's datasheet