Data Logging With a Thermocouple - Revision history

Burley: /* C# Code and Discussion */

2012-08-28T18:09:26Z

C# Code and Discussion

← Older revision		Revision as of 18:09, 28 August 2012
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	===C# Code and Discussion===		===C# Code and Discussion===

	The data logger ~~Java~~ source code we used can be downloaded here: [[File:App_guide_templogger_csharpcode.cs]]		The data logger C# source code we used can be downloaded here: [[File:App_guide_templogger_csharpcode.cs]]

	The entire source code (as this Guide is about data logging code) is:		The entire source code (as this Guide is about data logging code) is:

Burley at 17:53, 8 August 2012

2012-08-08T17:53:51Z

← Older revision		Revision as of 17:53, 8 August 2012
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	Also:		Also:
	*You should have already worked through our Getting Started Guide for your Temperature Sensor, found its ~~product page on our~~ [~~{{SERVER}} main website~~] - this will show you how to get the the Phidget Libraries installed [[Software Overview#Operating System Support\|for your operating system]].		*You should have already worked through our Getting Started Guide for your Temperature Sensor, found in its [[:Category:UserGuide\|user guide]] - this will show you how to get the the Phidget Libraries installed [[Software Overview#Operating System Support\|for your operating system]].
	*Your computer should have at least one of:		*Your computer should have at least one of:
	** A version of Python 2.6 or later, set up with the [[Language - Python\|Python Phidget Libraries]]		** A version of Python 2.6 or later, set up with the [[Language - Python\|Python Phidget Libraries]]
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	Then:		Then:
	* Make sure you have followed the ''Getting Started'' guide for your Temperature Sensor, found its ~~product page on our~~ [~~{{SERVER}} main website~~]		* Make sure you have followed the ''Getting Started'' guide for your Temperature Sensor, found in its [[:Category:UserGuide\|user guide]]
	* Make sure you have the programming language libraries that you want installed		* Make sure you have the programming language libraries that you want installed
	* Plug the USB cord on the Temperature Sensor in to your computer		* Plug the USB cord on the Temperature Sensor in to your computer

Cora at 15:19, 29 June 2012

2012-06-29T15:19:40Z

Cora at 15:17, 29 June 2012

2012-06-29T15:17:25Z

← Older revision		Revision as of 15:17, 29 June 2012
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	*** Set up [[OS_-_Phidget_SBC#Installing_C.2FC.2B.2B_and_Java\|gcc for development on the Phidget SBC]]		*** Set up [[OS_-_Phidget_SBC#Installing_C.2FC.2B.2B_and_Java\|gcc for development on the Phidget SBC]]
	*If you would like to follow along with the graphing examples, you can install the R Statistical package, which is [http://www.r-project.org/ free and available] for Windows, Mac, and Linux.		*If you would like to follow along with the graphing examples, you can install the R Statistical package, which is [http://www.r-project.org/ free and available] for Windows, Mac, and Linux.



	__TOC__		__TOC__

Cora at 15:17, 29 June 2012

2012-06-29T15:17:15Z

← Older revision		Revision as of 15:17, 29 June 2012
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	[[Category:fileIO]]		[[Category:fileIO]]
	[[Category:Application Guides]]		[[Category:Application Guides]]
	The project described here is a data recording program for the Phidget Temperature Sensors. We play with the program and record data to learn things about our environment. Although we use the Temperature Sensors, the emphasis in this Guide is on data logging - passing data and writing to files in different languages, and also dealing with data in general.		The project described here is a data recording program for the Phidget Temperature Sensors. We play with the program and record data to learn things about our environment.

			Although we use the Temperature Sensors, the emphasis in this Guide is on data logging - passing data and writing to files in different languages, and also dealing with data in general.

	{\|		{\|
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	*** Set up [[OS_-_Phidget_SBC#Installing_C.2FC.2B.2B_and_Java\|gcc for development on the Phidget SBC]]		*** Set up [[OS_-_Phidget_SBC#Installing_C.2FC.2B.2B_and_Java\|gcc for development on the Phidget SBC]]
	*If you would like to follow along with the graphing examples, you can install the R Statistical package, which is [http://www.r-project.org/ free and available] for Windows, Mac, and Linux.		*If you would like to follow along with the graphing examples, you can install the R Statistical package, which is [http://www.r-project.org/ free and available] for Windows, Mac, and Linux.



	__TOC__		__TOC__


	==Introduction==		==Introduction==

Cora at 21:43, 27 June 2012

2012-06-27T21:43:55Z

← Older revision		Revision as of 21:43, 27 June 2012
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	<!-- CATEGORIES -->		<!-- CATEGORIES -->
	[[Category:fileIO]]		[[Category:fileIO]]
			[[Category:Application Guides]]
	The project described here is a data recording program for the Phidget Temperature Sensors. We play with the program and record data to learn things about our environment. Although we use the Temperature Sensors, the emphasis in this Guide is on data logging - passing data and writing to files in different languages, and also dealing with data in general.		The project described here is a data recording program for the Phidget Temperature Sensors. We play with the program and record data to learn things about our environment. Although we use the Temperature Sensors, the emphasis in this Guide is on data logging - passing data and writing to files in different languages, and also dealing with data in general.

Cora: /* Accuracy and Error */

2012-06-25T16:51:10Z

Accuracy and Error

← Older revision		Revision as of 16:51, 25 June 2012
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	:'''It is easier to measure a ''difference'' in temperature than an ''absolute'' temperature'''		:'''It is easier to measure a ''difference'' in temperature than an ''absolute'' temperature'''

	....By the way, if you are interested in measuring absolute temperature more accurately, and also change in temperature more accurately, check out Resistive Temperature Devices (RTDs), which you can use with the [[1046 - PhidgetBridge 4-Input]] and resistor hookups such as our [[3175 - Precision Resistor - 1K Ohm 0.1% (Bag of 4)]].....		....By the way, if you are interested in measuring absolute temperature more accurately, and also change in temperature more accurately, check out Resistive Temperature Devices (RTDs), which you can use with the [http://www.phidgets.com/products.php?product_id=1046 1046 - PhidgetBridge 4-Input] and resistor hookups such as our [http://www.phidgets.com/products.php?product_id=3175 3175 - Precision Resistor - 1K Ohm 0.1% (Bag of 4)].....

	To describe the precision with which a temperature sensor can detect absolute and relative changes in temperature, the error analysis is split into two parts: '''accuracy''' for absolute temperature, and '''resolution''' for relative change in temperature:		To describe the precision with which a temperature sensor can detect absolute and relative changes in temperature, the error analysis is split into two parts: '''accuracy''' for absolute temperature, and '''resolution''' for relative change in temperature:

Cora: /* C# Code and Discussion */

2012-06-25T16:48:49Z

C# Code and Discussion

← Older revision		Revision as of 16:48, 25 June 2012
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	===C# Code and Discussion===		===C# Code and Discussion===

	The data logger Java source code we used can be [~~http://sl/wiki/index.php/~~File:App_guide_templogger_csharpcode.cs ~~downloaded here~~].		The data logger Java source code we used can be downloaded here: [[File:App_guide_templogger_csharpcode.cs]]

	The entire source code (as this Guide is about data logging code) is:		The entire source code (as this Guide is about data logging code) is:

Cora: /* C Code and Discussion */

2012-06-25T16:48:08Z

C Code and Discussion

← Older revision		Revision as of 16:48, 25 June 2012
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	If you are using Windows, please refer to the Java or Python section as the C code was written on Linux, including the Phidget Single Board Computer (SBC). The use of Phidgets in C on any operating system is the same. However, ANSI-based C does not include support for getting time on any resolution smaller than one second. So, to obtain timing for the data as it comes in, we need to use operating-system specific code. It would be fairly straightforward to modify this code to use a Windows method of obtaining time.		If you are using Windows, please refer to the Java or Python section as the C code was written on Linux, including the Phidget Single Board Computer (SBC). The use of Phidgets in C on any operating system is the same. However, ANSI-based C does not include support for getting time on any resolution smaller than one second. So, to obtain timing for the data as it comes in, we need to use operating-system specific code. It would be fairly straightforward to modify this code to use a Windows method of obtaining time.

	The data logger Linux C source code we used can be [~~http://sl/wiki/index.php/~~File:App_guide_templogger_ccode.c ~~downloaded here~~].		The data logger Linux C source code we used can be downloaded here: [[File:App_guide_templogger_ccode.c]]

	The entire source code (as this Guide is about data logging code) is:		The entire source code (as this Guide is about data logging code) is:

Cora: /* Java Code and Discussion */

2012-06-25T16:47:37Z

Java Code and Discussion

← Older revision		Revision as of 16:47, 25 June 2012
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	===Java Code and Discussion===		===Java Code and Discussion===

	The data logger Java source code we used can be [~~http://sl/wiki/index.php/~~File:App_guide_templogger_javacode.java ~~downloaded here~~].		The data logger Java source code we used can be downloaded here: [[File:App_guide_templogger_javacode.java]]

	The entire source code (as this Guide is about data logging code) is:		The entire source code (as this Guide is about data logging code) is:

← Older revision		Revision as of 15:19, 29 June 2012
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	\|}		\|}

	As with any of our [[Application Guides\|described projects]], Phidgets takes care of the electrical component design. Here, we also provide some simple code so you can play around with your Temperature Sensor and thermocouple, and save the data to plot later.		As with any of our [[:Category:Application Guides\|described projects]], Phidgets takes care of the electrical component design. Here, we also provide some simple code so you can play around with your Temperature Sensor and thermocouple, and save the data to plot later.

	{\| style="border:1px solid darkgray;" cellpadding="5px;"		{\| style="border:1px solid darkgray;" cellpadding="5px;"
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	Also:		Also:
	*You should have already worked through our Getting Started Guide for your Temperature Sensor, found its product page on our [~~http://www.phidgets.com~~ main website] - this will show you how to get the the Phidget Libraries installed [[Software Overview#Operating System Support\|for your operating system]].		*You should have already worked through our Getting Started Guide for your Temperature Sensor, found its product page on our [{{SERVER}} main website] - this will show you how to get the the Phidget Libraries installed [[Software Overview#Operating System Support\|for your operating system]].
	*Your computer should have at least one of:		*Your computer should have at least one of:
	** A version of Python 2.6 or later, set up with the [[Language - Python\|Python Phidget Libraries]]		** A version of Python 2.6 or later, set up with the [[Language - Python\|Python Phidget Libraries]]
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	\|- style="background: #efefef;"		\|- style="background: #efefef;"
	\|		\|
	*[~~http://www.phidgets.com~~/products.php?product_id=1051 1051 - PhidgetTemperatureSensor 1-Input], plus		*[{{SERVER}}/products.php?product_id=1051 1051 - PhidgetTemperatureSensor 1-Input], plus
	*[~~http://www.phidgets.com~~/products.php?product_id=3107 3107 - TPK-01 Bead Probe K-Type Thermocouple (-50°C to +200°C)]		*[{{SERVER}}/products.php?product_id=3107 3107 - TPK-01 Bead Probe K-Type Thermocouple (-50°C to +200°C)]
	\| Basic thermocouple setup		\| Basic thermocouple setup
	\|- style="background: #efefef;"		\|- style="background: #efefef;"
	\|		\|
	*[~~http://www.phidgets.com~~/products.php?product_id=1048 1048 - PhidgetTemperatureSensor 4-Input], plus		*[{{SERVER}}/products.php?product_id=1048 1048 - PhidgetTemperatureSensor 4-Input], plus
	*[~~http://www.phidgets.com~~/products.php?product_id=3107 3107 - TPK-01 Bead Probe K-Type Thermocouple (-50°C to +200°C)]		*[{{SERVER}}/products.php?product_id=3107 3107 - TPK-01 Bead Probe K-Type Thermocouple (-50°C to +200°C)]
	\| Ability to measure multiple points		\| Ability to measure multiple points
	\|- style="background: #efefef;"		\|- style="background: #efefef;"
	\|		\|
	*[~~http://www.phidgets.com~~/products.php?product_id=1051 1051 - PhidgetTemperatureSensor 1-Input], plus		*[{{SERVER}}/products.php?product_id=1051 1051 - PhidgetTemperatureSensor 1-Input], plus
	*[~~http://www.phidgets.com~~/products.php?product_id=3110 3110 - TPK-01H Bead Probe K-Type Thermocouple (-50°C to +785°C)]		*[{{SERVER}}/products.php?product_id=3110 3110 - TPK-01H Bead Probe K-Type Thermocouple (-50°C to +785°C)]
	\| Wide temperature range thermocouple		\| Wide temperature range thermocouple
	\|}		\|}
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	Then:		Then:
	* Make sure you have followed the ''Getting Started'' guide for your Temperature Sensor, found its product page on our [~~http://www.phidgets.com~~ main website]		* Make sure you have followed the ''Getting Started'' guide for your Temperature Sensor, found its product page on our [{{SERVER}} main website]
	* Make sure you have the programming language libraries that you want installed		* Make sure you have the programming language libraries that you want installed
	* Plug the USB cord on the Temperature Sensor in to your computer		* Plug the USB cord on the Temperature Sensor in to your computer
Line 594:		Line 594:
	:'''It is easier to measure a ''difference'' in temperature than an ''absolute'' temperature'''		:'''It is easier to measure a ''difference'' in temperature than an ''absolute'' temperature'''

	....By the way, if you are interested in measuring absolute temperature more accurately, and also change in temperature more accurately, check out Resistive Temperature Devices (RTDs), which you can use with the [~~http://www.phidgets.com~~/products.php?product_id=1046 1046 - PhidgetBridge 4-Input] and resistor hookups such as our [~~http://www.phidgets.com~~/products.php?product_id=3175 3175 - Precision Resistor - 1K Ohm 0.1% (Bag of 4)].....		....By the way, if you are interested in measuring absolute temperature more accurately, and also change in temperature more accurately, check out Resistive Temperature Devices (RTDs), which you can use with the [{{SERVER}}/products.php?product_id=1046 1046 - PhidgetBridge 4-Input] and resistor hookups such as our [{{SERVER}}/products.php?product_id=3175 3175 - Precision Resistor - 1K Ohm 0.1% (Bag of 4)].....

	To describe the precision with which a temperature sensor can detect absolute and relative changes in temperature, the error analysis is split into two parts: '''accuracy''' for absolute temperature, and '''resolution''' for relative change in temperature:		To describe the precision with which a temperature sensor can detect absolute and relative changes in temperature, the error analysis is split into two parts: '''accuracy''' for absolute temperature, and '''resolution''' for relative change in temperature: