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The TL2-A is an affordable high precision digital thermometer. It has been designed for use in both laboratory
and industrial applications. Additional video tutorials and information are included on the software USB flash
drive. Features of the TL2-A are as follows:
Configurable RTD and SPRT combinations (100 or 200 )
• Available 2 channel temperature measurement
• 0.001 degree resolution (0.0001 for )
• Implements ITS-90 or Callendar-Van Dusen calibration coefficients
• Displays temperature in Celsius, Fahrenheit, Kelvin or Ohms
• Backlit, Large LCD character display
• USB Type 'A' PC interface
• USB Type 'B' flash memory interface
• User programmable relay output interface (Temperature triggered)
• Detachable AC power cord
• IP50 enclosure rating
• Adjustable Zero Offset correction
Cautions
The TL2-A and associated temperature probes are sensitive devices and should be handled with care. Care
should be taken not to submit the temperature probes to mechanical shock, over-heating or exposure to fluids
at the probe to cable interface. Overheating the probes beyond their calibrated temperature range, damage
and/or contamination may cause sensor drift and instability.
Authorized Service
Service and Calibration should only be performed by ThermoProbe, Inc. or an authorized distributor.
Contact ThermoProbe for questions about setting up this software or using the TL2-A.
USER INTERFACE FRONT
Up Button
Down Button
06/2015, JK
TL2-A Instructions for Use
Select Button
Power Button
Channel Indicators
1
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Summary of Contents for ThermoProbe TL2-A
- Page 1 TL2-A Instructions for Use The TL2-A is an affordable high precision digital thermometer. It has been designed for use in both laboratory and industrial applications. Additional video tutorials and information are included on the software USB flash drive. Features of the TL2-A are as follows: Configurable RTD and SPRT combinations (100 or 200 ) •...
- Page 2 Power Button (AC Unit) – Use the power button to save your settings (temperature units, display decimals, zero adjustments, relay settings, etc.), and to place the TL2-A in ‘Standby’ mode. If you remove AC the power without putting the TL2-A in Standby mode, the user settings will revert to the previous settings.
- Page 3 Interface Menu: (AC Powered Unit) SELECT rECord – Data logging setup & control FLASH StArt/StoP donE - Select to Exit Menu rAtE 1 sec 10 sec 30 sec 60 sec 1 hr PoLL donE - Select to Exit Menu HASH on – Enables Checksum HASHoFF–...
- Page 4 2. Insert the flash drive into a USB port on the PC. 3. Browse to the folder containing the flash drive contents. 4. The TL2-A data will be contained in a .csv file that can be opened with either Microsoft Excel or a text editor such as Notepad.
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Page 5: Polling Mode
You can set the TL2-A to send data on command. This is useful for people who write data collection software that will request data only when it is needed. To place the TL2-A in polling mode, select “PoLL” as the sample rate to be used under the recording section of the TL2-A menu. -
Page 6: Zero Correction
PC Software setup: There is a PC driver file that is needed to connect the TL2-A to your PC. We have included a disc with the driver software for Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2. - Page 7 Select "No, not this time". Click "Next >". 8. On the next screen click "Install from a list or specific location (Advanced)" and click "Next >". 9. On the next screen select "Search for the best driver in these locations.", Check the "Search removable media (floppy, CD-ROM…):", and then click "Next”.
- Page 8 10. The wizard will complete the installation of the software. NOTE: If your PC should start a new "Found New Hardware Wizard" it may be necessary to repeat the above steps to complete the driver installation. 06/2015, JK...
- Page 9 Sensor Data Coefficient Entry: The Sensor Data software included with the TL2-A USB flash drive allows the user to input sensor coefficients. Install the software by browsing to the SensorData folder on the drive and run the setup.exe file. 06/2015, JK...
- Page 10 7. Enter the curve data using the coefficient information provided with the PRT connected to each channel. 8. After all the data has been entered for both channels select OK to upload the data to the TL2-A. The Connection screen will display again. Select start to load the sensor data. A window will open a message stating “TL2-A data successfully transferred”.
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Page 11: Using Hyperterminal
You can use Hyperterminal to receive temperature data from the TL2-A. Note: Hyperterminal is no longer included with Windows 7 systems. A copy of Hyperterminal is included with the TL2-A software USB flash drive and can be run from that location. Click "start" -> "Accessories" -> "Communications" -> "HyperTerminal"... - Page 12 Select the Com Port for the TL2-A and click "OK" NOTE: See ‘Finding Com Port Section’ if you don’t know which com port to select. Set the Port Settings as shown and click "OK". 06/2015, JK...
- Page 13 The Hyperterminal display should be as follows: The TL2-A will output the temperature for both channels. There are 3 columns in the interface display. The first column is a date and timestamp. The second column is the first channel output and the third column is the second channel output.
- Page 14 Version Command: V<cr> Response (success): A lower case v can be used. Sends the TL2-A firmware version for the main and accessory boards. Response (failure): none Remarks: The version information is useful when verifying that the correct firmware has been loaded on the TL2-A.
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Page 15: Setting The Time And Date
Setting the Time and Date: NOTE: It may be necessary to set the TL2-A clock using Hyperterminal as follows: 1. After a connection has been established with the TL2-A per the previous steps, hit ‘Enter’ to create a line break in the data feed. - Page 16 Finding the TL2-A Com Port You can find the Com Port that was installed by clicking on "start", choosing Settings, choosing "Control Panel" and then opening the "System" application. Click the "Hardware" tab and then click the "Device Manager" button.
- Page 17 Expand the "Ports (COM & LPT)" item and look for "USB Serial Port" and note the COM number You can use this COM port number to connect to Hyperterminal or other serial communications programs. 112A JETPORT DR. PEARL, MS 39208 Tel: +1 601.939.1831 Fax: +1 601.355.1831 sales@thermoprobe.net www.thermoprobe.net 06/2015, JK...