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Summary of Contents for Omega HHTFO
- Page 1 HHTFO HHTFO...
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Page 3: Table Of Contents
PRODUCT SPECIFICATIONS ...7 ALIBRATION UNPACKING ...8 QUICK INTRODUCTION ...9 ...9 NSTALLING BATTERIES AKING YOUR FIRST MEASUREMENTS HHTFO THERMOMETER HARDWARE REFERENCE ... 11 ... 11 ISPLAY DESCRIPTION ... 11 EYPAD OPERATION ... 12 SING THE BACKLIGHT ... 12 HE SETUP MENU ... - Page 4 Permanent damage may be done to the thermometer if the power supply connections are not done correctly. Only use the supplied 6VDC power supply module to operate the HHTFO; please note that this module will not charge any internal batteries.
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Page 5: Introduction
EMI/RFI, high voltage insulation and disturbance free sensing due to the non-electrical nature of the sensor element used. Not only does the HHTFO Series of products gives access to reliable measurements, but it also offers a simple user interface that makes the technology easy to use. Moreover, no special calibration is required when changing the fiber optic sensor elements. -
Page 6: Hhtfo Product Specifications
Autonomy of up to 5 hours Batteries need to be replaced or recharged at least once a year) The HHTFO does not charge batteries; a charger must be used. The HHTFO does not charge batteries; a charger must be used. -
Page 7: Calibration
Other options and configurations are also possible; contact Omega for more information. 1.2 Calibration Your HHTFO thermometer comes factory thermometer comes factory-calibrated. A re-calibration is recommended every 12 months or whenever performance verification indicates that calibration is necessary; NIST traceable calibration whenever performance verification indicates that calibration is necessary;... -
Page 8: Unpacking
Before using your HHTFO thermometer, check the box content to be sure all items have been included. Your package should normally contain: HHTFO signal conditioner unit • Power supply module (universal input: 100-240VAC, 50/60Hz; output: 6VDC). Note: this is not a battery •... -
Page 9: Quick Introduction
Battery access port 3.1 Installing batteries You will find the battery access port at the bottom of the HHTFO. Insert 4 fresh “AA” batteries, or connect the supplied 6VDC universal power supply. If using rechargeable batteries, make sure they are completely... -
Page 10: Making Your First Measurements
If supplied with the HHTFO, connect the short If supplied with the HHTFO, connect the short extension cable and from now on, leave it connected so damages to the fiber optic connector found on the HHTFO unit itself are minimized. -
Page 11: Hhtfo Thermometer Hardware Reference
The middle portion displays the temperature value. Sometime, other values can b The middle portion displays the temperature value. Sometime, other values can be displayed here The bottom portion shows two icons that can be invoked to further configure your thermometer, or to The bottom portion shows two •... -
Page 12: Using The Backlight
• 4.5 The logging menu Your HHTFO includes a very useful temperature includes a very useful temperature-logging feature. Logging is done directly to a SD (older MMC cards also supported) flash card. These are the same type of cards as use with PDAs or digital MMC cards also supported) flash card. -
Page 13: File Naming Convention
The HHTFO is designed so it can only write to SD flash cards. To read back temperature data, remove the card from the HHTFO and bring it to a suitable SD card reader; from there, you can copy files to your PC hard disk, use Excel to draw trend lines, and so forth. -
Page 14: The Enable Sub-Menu
4.6 Starting and stopping a logging session In order to successfully log temperatures, the following steps should normally be followed. A formatted and unlock SD card must be inserted in the HHTFO. Make sure there is enough free • space on it (files can be deleted if required using your PC). -
Page 15: Power Jack
HHTFO. The internal batteries cannot be charged by this module; to charge your batteries, you need to remove them from the HHTFO, and use a separate charger; alternatively, you can also use non-rechargeable batteries, size AA. -
Page 16: Using Temperature Probes
Never use a cloth other than the type recommended for fiber optic cleaning. Dampening the cloth with pure isopropyl alcohol ensures good cleaning. Occasionally, clean the inside of the bulkhead connector (attached to the thermometer) with a wipe or cotton swab dipped in alcohol (2.5 mm mini foam swabs work best). -
Page 17: Warning
5.3 Warning The T1 probe is quite fragile and it must be handled carefully. Please note that any probe damages are not covered by the standard warranty. The probe tip is made of silicone rubber. Although silicone is resistant to a large number of chemical aggressors, strong acids or alkali may damage it, especially at high temperature and/or if used for extended periods of time. -
Page 18: Serial Communication Description
ERIAL You can communicate with your thermometer via the standard RS-232 link. A description of the cable requirements is given above, under front panel item # 3. RS-232 functions (or commands) can be accessed with a simple terminal, with the FOB100-SOFT software package or simply with a computer and communication software (such as Windows Hyper Terminal). -
Page 19: Detailed Description Of Rs-232 Commands
A maximum offset of +/-5 required for you to force a larger offset, your thermometer probably requires a new factory calibration; consult your distributor or factory for more information. This command alters the internal calibration of the instrument. - Page 20 “i” Returns general information regarding the instrument, as well as some parameters that have been programmed previously in the thermometer (either by RS-232 commands or via the keypad): Model: Option: Mode: Scanning rate: Serial: Internal Software: Last Factory Calibration*: Unit...
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Page 21: Typical Temperature Reading Sequence
Once all parameters have been set, the following sequence should normally be followed to extract temperature information from your FOB100 thermometer. 2 procedures can be used for this purpose. The first method consists in using the “ta” command (preferred), while the second sequence would be: The host computer should send the “t”... -
Page 22: Error Codes
The following error messages are displayed under certain error conditions: RS-232 Display Analog Out Err2 Err2 “- - . -” “- - - - -” Hi-Lo, 0.5 Hz* Err5 Err6 *: The exact analog output behavior is a function of the command “o”; see previous Chapter. Note that these error codes are not applicable when using the FOB100-SOFT software package. -
Page 23: Fob100-Soft Software Package
Windows 2000 or later. 8.1.2 Installing FOB100-SOFT You must have at least one, or more, properly installed FOB100 or HHTFO thermometer unit(s). 1- Start Windows, and make sure you are not running any other Windows program. 2- By inserting the CD in your computer, the SETUP application should automatically start; if not, manually start it. -
Page 24: Working With The Configuration Window
You should normally see a window similar to this: In this example, we see that FOB100-SOFT has detected 2 thermometers: a FOB104 and a HHTFO instruments. FOB100-SOFT is now properly installed and ready to use! 8.2.1 Working with the Configuration Window FOB100-SOFT starts with the “Acquisition”... - Page 25 Scan Rate: Fast (recommended for most application) or Slow. • Lock / Unlock Keypad (FOB100 series only): Can be selected to lock the keypad on the thermometer • unit. Warning: once locked, the keypad can only be unlocked through the use of FOB100-SOFT or with the “l-“...
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Page 26: Acquiring And Viewing Temperature Data
Warning: Doing a temperature offset adjustment on a channel will alter its reading. In effect, it alters the thermometer own calibration. It must be used with care! To perform an offset adjustment, follow these instructions: 1- Click the “Offset Adjust” button ( The following menu window is available: 2- Type in the “Set Point”... - Page 27 To start acquiring data, click the “START” button. Conversely, to stop the acquisition, click the • “STOP” button. When subsequently trying to opening the *.tem file, it is possible that you may get the following message: Select “Select the program from a list”, and click OK. In the next window, you should instruct Windows to always open this type of file with Microsoft Excel.
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Page 28: Viewing Temperature Data
When logging temperatures for a very long time, one needs to note that a standard Excel sheet is limited to 65535 lines. If this limit is reached (65000 lines), the logging process will close the current data-logging file, and will open a new one, with the same name but with “_1” appended to the file name, and so on (“_2” …), until the application is stopped or your disk becomes full. - Page 29 “Chart” checkbox unchecked, in the main window, will not be shown). If an alarm is active for a channel, the corresponding thermometer numbers will change color: blue for a low temperature alarm, or red for a high temperature alarm.
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Page 30: The Fob100 Console
The console, which can be invoked through the Window and then Open Console from FOB100-SOFT main window menu bar, is useful to manage each Omega thermometer in details. Take note that the console can only be open when no temperature acquisition is taking place. It can be useful also to understand problems and malfunctions that a module may exhibit. -
Page 31: Console Help Menu
Before sending commands and receiving information from a specific module, it is necessary to select the instrument you want to interrogate. Please note that only ONE instrument can be selected at a time; if the same command is to be sent to all thermometers, then, it is necessary to repeat the command for each individual module. -
Page 32: The Window Menu
8.5.2.1 Open Console Open Console can be very useful for developers and other users who want to interrogate the “internal” parameters of an Omega thermometer. It should be used only by experienced users. 8.5.2.2 View Trends Select this menu item to open a window that gives you a graphical representation of your temperature readings, as a function of time.
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