Omega HHTFO - Manuals

1.1 HHTFO product specifications Resolution Accuracy Calibrated Temperature Range Usable Temperature Range Number of channel Probe length Response time Unit Data logging feature Operating temperature Storage temperature Local display Display of temperature readings as well as various user Power Inte...

8 2 U NPACKING 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 charger. • ...

9 3 Q UICK I NTRODUCTION The best way to familiarize you with your new HHTFO thermometer is, of course, to use it! This chapter shows you how to prepare your unit and do some initial measurements. The detailed instructions are given in the next Chapter. Your new HHTFO comes calibrated and ready to u...

4 HHTFO T HERMOMETER 4.1 Display description The display is organized in 3 logical regions: • The top portion gives general information to the user about the unit current status, such as battery condition, RS232 port connection status, time and date, presence / absence of a SDand so forth. • The mid...

14 Take note that this format function will only perform a “quick format” procedure; if you want to do a full format, please use your PC to perform a format operation. Furthermore, you will not be able to format a flash card that is not already formatted in FAT16 (use a PC computer to format a card ...

15 The lock feature on your SD card is engaged. You need to unlock it before using the card. The HHTFO is running from the internal batteries. Icon indicates the approximate amount of charge remaining. When almost fully empty, the message “LOW BATTERY” is also displayed, for about 5 to 15 minutes, b...

16 5 U SING T EMPERATURE P ROBES 5.1 Caution Each time you connect a temperature probe to the unit, the probe optical connector should be cleaned beforehand. Otherwise, particles of grease or dirt may obstruct the device internal connector and affect the measurements by completely blocking the signa...

18 6 S ERIAL C OMMUNICATION D ESCRIPTION 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 pa...

19 HHTFO101 Description b Return enclosure temperature f[j] Set point adjustment to [j] h Help menu (this screen) i Get factory and status information q Scanning rate (q+ for fast/quick, q- for slow) t Get Temperature reading channel ta[i] Auto temperature output to serial port (+ to enable, - to di...

21 6.4 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...

22 7 E RROR C ODES The following error messages are displayed under certain error conditions: RS-232 Display Analog Out Description Err2 Err2 Internal memory checksum error. Memory corruption. Contact Omega. “- - . -” “- - - - -” Hi-Lo, 0.5 Hz* Temperature out of maximum instrument limits or no sign...

23 8 FOB100-SOFT S OFTWARE P ACKAGE The FOB100-SOFT software package option allows using your thermometer system in a highly flexible manner. The built-in functions allow for temperature displaying and data logging, as well as exporting to a variety of standard spreadsheet packages. This software su...

24 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” w...

25 For each instrument, this configuration window gives some information about this particular information and allows you to set some parameters. The top portion of the window gives information about the specifics of the thermometer, such as: • COM Port number • Serial Number • Calibration date. Des...

26 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 ( ) that is just next to the channe...

28 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 ...

30 All dials share the same Min / Max reading setting. Refresh rate is always 1.0 sec. The size of this window will adapt to the number of displayed channels. Up to 16 dials can be shown; if you want to display more than 16 channels, only the first 16 detected channels will be shown (note that any c...

31 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 co...