Omega Vehicle Security HHTFO User's Manual
Contents
1. amp CRXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Shop online at omega com EOMEGA omega com e mail info omega com For latest product manuals omegamanual info MADE IN CANADA HHTFO Fiber Optic Thermometer Systems omega com ZEOMEGA OMEGAnet Online Service Internet e mail omega com info omega com U S A ISO 9001 Certified Canada Servicing North America One Omega Drive P O Box 4047 Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Canada TEL 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance U S A and Canada Sales Service 1 800 826 6242 I RO0 TC OMEGA Mexico Czech Republic Germany Austria United Kingdom IS 9002 Cariliod Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 LUISA WHEN En Espanol 001 205 359 7803 e mail espanolfMomega com FAX 001 203 359 7807 infot omega com mx Servicing Europe Frystatska 184 755 01 Karvin Czech Republic TEL 4420 0 59 6511899 FAX 420 0159 6311114 Toll Free 0800 1 66342 e mail info omegashop cz Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9598 0 FAX 49 07056 9398 29 Toll Free in Germany U800 639 7678 e mail info omega de One Omega Drive River Bend Technology2. 128 MB of RAM memory operating system dependent At least 20 MB of hard disk space A CD disk drive to load software if requested the software can be supplied on diskettes A mouse or other Windows pointing device A RS 232 interface COM1 to COM32 Up to 4 thermometer units are supported each one requiring its own COM port o Windows 2000 or later 0 O Qi O O OO0 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 3 Follow the instructions that are displayed 4 Restart your computer 8 2 Aquick tour of FOB100 SOFT 1 Connect your FOB100 and HHTFO unit s to free COM port s 2 Start FOB100 SOFT if not already running 3 The thermometers that are turned on and connected to your PC through a proper RS 232 connection should normally be automatically detected by FOB100 SOFT this process takes a few seconds for a typical installation 4 lf a thermometer is connected after FOB100 SOFT is started you should click the Refresh button so the software rescans the COM ports 1 to 32 If a thermometer is not automatically detected make sure your RS 232 port and cable is correctly configured and that the unit is turned on NOTE Some RS 232C connection
3. Enable channels to scan if no argument scan all Set point adjustment on channel i to j Help menu this screen Get factory and status Information Lock the keypad 1 to Lock 1 to Unlock Analog out if error 0 Max Min 1Hz 1 Max level 2 Min level Sleep mode p to sleep p for continuous scanning Scanning rate q for fast quick q for slow Specify analog output Span j for channel il Get Temperature reading channel i Continuous output to serial port to enable to disable Unit c Celcius f Fahrenheit Quality index see user guide Temperature j for analog output Zero on channel il FOB100 NB Channel 2 Continuous Scanning Mode 0x01 For a complete description of all commands refer to Section 6 3 above 8 5 FOB100 SOFT functions This section explains in details each one of the functions provided by the menus of the FOB100 SOFT software package This Section only gives a brief overview of the commands that are possible for operational details please refer to the above Sections 8 5 1 The File menu The File menu provides the user with basic functions to handle Configuration files 8 5 1 1 Find Instruments Refresh This is equivalent to the Refresh button found on the main window 8 5 1 2 Disconnect Instruments This will release all COM ports select this menu item FOB100 SOFT becomes idle and to bring it to life again requires you to click the Refresh button or to select the
4. 4100 00 4000 00 10000 400 00 100 00 4000 00077 10000 400 00 24 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 e COM Port number e Serial Number e Calibration date Description of the parameters that can be set e Unit You can select C or F e Scan Rate Fast recommended for most application or Slow e 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 serial command Furthermore for each channel you can set the following parameters e On Off You can turn on or off the temperature for each channel e Name Up to 16 characters You can enter a probe name here that suits your application e Log If checked the temperature data for this channel will be logged when data logging is active e Chart If checked the temperature data for this channel will be displayed when one of the 4 chart windows is open e Color This is the color of the curve that will be used when the Chart window is open e Alarms Min and Max Allows setting alarm limits When one of more alarms are detected a message is given at the bottom of the main window must be
5. Centre Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 0161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom BUD 488 488 e mail sales amp omega co uk it is the policy of OMEGA Engineering Inc to comply with all workhwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of amp products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA accepts no liability for any errors it contains and reserves the night to alter specifications without notion WARNING These products are not designed for use in and should not be used for husman applications TABLE OF CONTENTS T INTRODUCTION wisssssivscscscissstsscsseccesstsscdatssatsiessdststesssststcsstcsedessssictesistedudcestsiaseeistetscssutesstsisdsetstedsdsdedsdtsissetessteassciss 5 1 1 HHTFO PRODUCT SPECIFICATIONS s cccssscssscessseessscsssecessecessecessccssseessecessecessecsssecsaecessecessecesseceaeeceaeeessecesseceseeseaeensa 6 1 2 CALIBRATION 3555 s denote EEUU I eH aa Ae a SHANA AAA AAA EE CHR sass 7 2 CUNPACKING eis eee eee cue eese uec cuca vasennunvansuncanacavuasvasunsnsvactonsanensvuasvacensacoacsuncnaceouasuateonsesacesacestes 8 3 QUICK INTRODUCTION iie eeeeetee eoe Vete ree soie oe tae to o ete tinea evene e toe erae el vse Uv sea o elo eese eee ebrietas a epo
6. MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based in no event shall OMEGA be liable for incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRCI used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Productis be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Produena in such a manner RETURN REQUESTS INQUIRIES eee Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCTIS TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the r
7. alternatively you can also use non rechargeable batteries size AA Compatible battery types are AA alkaline Ni Cd and Ni MH 4 9 Probe connector This ST connector mates to an Omega Engineering temperature probe 4 10 RS232 communication interface This port is used to configure and download information from the thermometer The pin out is standard for connection to any PC computer COM ports Use a simple pin to pin wired cable not a null modem cable to connect to your computer Baud rate is fixed at 9600 See Section 6 for a complete description of the serial commands that are available 5 USING TEMPERATURE PROBES 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 signal or by generating too much attenuation when using a long fiber length 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 Locking nut Ferrule key Ferrule 0 For very dirty connectors acetone can also be used but should be used very carefully as it is a very strong solvent Care
8. e evene sr atipi Saana 9 3 1 INSTALEING BATTERTES eio c EET TIG e EISE S HERE IT Te lor D Da WO Ho TORTE 9 3 2 MAKING YOUR FIRST MEASUREMENTS csccssscessscessecssseesssecesscessecessecessecessccssecessecessecesseceascesaecessecessecssscensecenseesaes 10 4 HHTFO THERMOMETER HARDWARE REFERENCEL csscsscssssssscssssscssscssssscssscsssssscssccsscssscsssesscenses 11 4 1 DISPLAY DESCRIPTION oeste enel ie EST NOH RU E TOI EI WH AH T DT WA e entrees 11 4 2 KEYPAD OPERATION EOE OE E EEEE ESE ea E EEE 11 4 3 USING THE BACKEDIGEHT ROE secte leo nan EEEO EE EREE EE Gn E HOO ORT OH 12 44 THESETUP MENU cerne erected tet aono Wh toe toes tas nein Wh a a Waa a ties 12 4 5 THELOGGING MEN it etecdste dei ive ee eie i Ei oen on ates 12 4 5 1 File WAMING CONVENTION dad deae tetti ate cedet teens delia ae coc ede neun 13 4 5 2 The Format sub men ette thai ec eee eee eee eie eetoee eed seio eete dete eroe cese dete etudes 13 4 5 3 The DOTT DU ITA TITRE 14 4 5 4 The Raies b menu ui ait RSIS EES IE ES RII IERIE eeu ee 14 4 6 STARTING AND STOPPING A LOGGING SESSION csssssssscssscessscesseceseecessecessecesscesseceseecssecessecessecessecesseceseecssscesseeensees 14 4 7 TEC ON DEFINITION 2 rere ere soin eas as es os iei enin eoe cn Dn ES 14 4 8 POWERJACK OANA EE EE EE OERE einen oie n eei ed eiae demie did 15 4 9 PROBE CONNECTOR 5 itr rr duritie use HW er 15 4 10 RS232 COMMUNICATION INTERFACE ccssccssscesssessscessscessscesssce
9. in Acquisition mode For a given channel alarms are monitored only when its corresponding Chart or Log checkbox is checked in the Configuration window pane Alarms are monitored only when Acquisition is active e Analog Outputs FOB100 series only Allows configuring the analog output parameters Zero and Span See Section 6 3 for a complete description of these parameters e Offset Allows adding an offset to this channel See below 8 2 1 1 Adjusting a temperature offset FOB100 SOFT allows you to add an offset to the temperature readings that are returned by a thermometer This feature is equivalent to the f serial command as described in Section 6 3 although it implementation in FOB100 SOFT is somewhat different than it is for the serial command An offset can be useful for the following two cases 1 To temporarily change the reading of a probe that is believed to be in error one point calibration procedure This usually requires that a good temperature reference be available 2 To force an offset to a reading for example may want to monitor a temperature variation from a given set temperature In this case you can simply enter the 0 value as a forced temperature setting and the resulting reading will give you a or deviation from the set temperature point 25 Warning Doing a temperature offset adjustment on a channel will alter its reading In effect it alters the thermometer own calibration It must be
10. m v ES L ox Cancel JI Apply J 6 2 RS 232 help menu The following is the menu as displayed by the instrument when sending the h command Note that the RS232 interface can also be used to upgrade the thermometer controlling firmware without opening the thermometer case or changing any memory IC s Instructions to perform an upgrade are normally sent with the upgrade program a PC compatible computer will be required to perform such firmware upgrade Vista users HyperTerminal is not included with Vista However an equivalent program HTPE can be downloaded free for personal use at the following website http www hilgraeve com htpe download html HHTFO101 Description b Return enclosure temperature 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 disable u i Unit c Celcius f Fahrenheit y Probe power 6 3 Detailed description of RS 232 commands All commands must be terminated by a carriage return character enter When more than one argument is required each argument must be separated from the next one by a blank or space character Characters are not echoed back to your controlling device Every time a command is executed successfully by the thermometer the prompt character is
11. should be exercised so you do not apply any on plastic materials etc 5 2 Description The optical connector used is a standard ST type connector Device connector Insert the Ferrule key here Pins BNC type To install the connector Slide the ferrule key gently into the above key Then turning insert the two BNC pins into The appropriate slots on the ST connector 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 Warning Strong solvents and fuel oils can cause problems for silicone rubber Omega Engineering also manufactures probes that have their tips made of epoxy Just like silicone epoxy resin 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 Contact your distributor for additional chemical compatibility information Do not expose your probes to temperatures that are higher than specified Permanent damage can be caused to probes that have been exposed to temperatures that are higher than their limits 6 SERIAL COMMUNICATION DESCRIPTION You can communicate with your thermo
12. the back light it also includes a powerful but simple keypad that gives the user access to all built in features these standard features are great for laboratory and field applications Furthermore a convenient data logging feature is included logging is done directly to a standard MMC or SD flash card An optional software package FOB100 SOFT makes your thermometer even more useful It is easy to use and allows the user to easily monitor even multiple thermometers at the same time and to perform easy data logging PC compatible gt 1 1 HHTFO product specifications Resolution 0 1 C Accuracy The Greater of 1 C or 1 of reading Calibrated Temperature 40 to 200 C Range Usable Temperature 80 to 250 C Range Number of channel 1 Probe length 1 to 300 meters Response time Typically 0 2 to 1 second Probe and setting configuration dependent Sampling rate is 5 Hz Unit User selection of C or F Data logging feature Memory for temperature readings on SD card Operating temperature 0 to 45 C non condensing Storage temperature 30 to 60 C Local display Display of temperature readings as well as various user information Graphical resolution 160 x 160 pixels Power 6 VDC Use only the provided universal power module Internal batteries User supplied 4 AA size batteries Battery compatibility AA alkaline Ni Cd and Ni MH Autonomy of up to 5 hours Note Batteries need to be replaced or recharged at least o
13. 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 It operates in a similar fashion as Windows HyperTerminal The console can be used to get information such as e Information on calibration date serial number etc e Enable disable channels e Set the analog output parameters zero and span FOB100 series only e Control operational features such as fast slow scanning more etc e And so forth The following illustrates the FOB100 Console f FOB100 Console Instrument vfi COM8 F0B100 omega 1 30 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 You can use Copy and Paste Windows commands such as the following shortcuts ctl c and ctl v to copy selected content of the console content to other Windows programs such as Notepad etc 8 4 1 Console help menu The following is the menu as displayed by the instrument when sending the h command This help menu can be used as a reminder of all available commands for this specific instruments f FOB100 Console RS 232 help menu Return enclosure temperature nl
14. twice The screen should appear as follows Tii DONOSO ME 2006 09 19 20 45 123 4 gt SETUP Unit C At this point you can change units from C to F To change to F first highlight C by pressing the Right arrow or the OK key and then you can use either the Up or Down arrow to navigate between the 2 values that this parameter can take Once the desired parameter value is shown press the OK key to confirm your selection Then pressing the Esc key twice will return you to the main screen A similar approach can be used to change the other parameters which are available under this menu e Unit C or F Fast Slow scanning rate Year Month Day Hour 24 hour time format only Minute 4 5 Thelogging menu Your HHTFO 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 cameras they are inexpensive and can be purchased at any computer or office supply stores The slow scanning rate is filtering the acquired temperature values before displaying them Warning The flash card must be formatted before use Furthermore it is important to format it in FAT or FAT16 not FAT32 Supported card size is limited to 1Gbyte larger formats are not supported by FAT16 You can format your flash cards on a PC if you want however make sure you format it in FAT16 The HHTFO includ
15. A ENENN 23 16 02 2007 20 11 46 26 6 23 21 5 24 16 02 2007 20 11 51 26 7 23 21 5 25 Omega Inc 2B Instrument serial 1 amega 1 2 FOB111A 2 FOB111A 27 Channel name 1 1 Ch1 1 2 Ch1 2 2 Ch2 28 Channel 1 2 3 29 16 02 2007 20 12 04 26 7 23 21 5 30 16 02 2007 20 12 09 26 7 23 21 5 31 16 02 2007 20 12 14 26 8 23 21 5 3 M Noggng Iw a gt Ready NUM 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 8 3 2 Viewing temperature data Temperature values can be displayed on your computer screen in a number of ways Click one of the four Chart button to active one or more of these windows Chart Thermo Digital Analog i diii Note that more than one window type can be displayed simultaneously in addition you can log temperatures to a file independently from these display windows Note that each of these 2 modes have each then own acquisition time base 6 3 2 1 Displaying temperature trends Click the Chart button to get the following window Temperature Trends Channels mca cH Bl Ci2 2cni E CH 3 2 Ch2 Temperatu
16. Find Instruments Refresh menu item 31 8 5 1 3 Advance serial port setting This command allows the user to force the exclusion of one or more COM ports from being scanned when clicking the Refresh button This may be useful when one finds that the automatic COM port refresh feature of FOB100 SOFT is interfering with equipment that are using defined COM ports You can check all ports that you want to exclude from the automatic scanning process This window looks like this Advance serial port setting When started or when Find Instruments is clicked serial ports are scanned for finding compatible instruments To exclude any ports from being scanned check them here COM4 COM5 COM amp T COM coms T coMS COM10T COM11T COM12T COM13 COM 14 COM 15 COM 16 T COM 17 T COM18 COM19 COM20T COM21T COM22 COM23 COM 24 T COM 25 M COM26 COM 27 M COM28T COM283 COM 30 M COM 31 M COM 32 OK Clear All Cancel 8 5 1 4 Quit Select Quit from the File menu to exit FOB100 SOFT Any configuration or setting that you might have done to any parameters is automatically saved so the same configuration will be available the next time you open FOB100 SOFT 8 5 2 The Window menu From this menu you can open the following 5 windows e Console view Trend view Thermometer view Digital view Analog dial view 8 5 2 1 Open Console Open Console can be very useful for developers and other use
17. TFO e Remove the dust cap on the probe connector e f 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 e Insert the connector from your probe into the sensor connector of the HHTFO Make sure the two mating parts are properly aligned and twist the connector clockwise to fasten it securely e Turn your HHTFO on by pressing for at least one second The red LED must be on if not please check your batteries and or the 6VDC power input The temperature will be almost immediately displayed along with the date and time This is shown here Em ONUSD 2006 10 10 15 24 123 4 e Place the sensor tip on a warmer surface such as your hand you can observe the temperature variation on the display e You can power it down by pressing again this key for a minimum of half a second Cc 4 HHTFO THERMOMETER HARDWARE REFERENCE 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 SD memory card and so forth 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 give y
18. at the readings correspond to the known temperature Note You can revert at any time to the factory calibration using the f or f i command ex f2 enter Hh Note Always make sure you are reading a valid temperature value before using the f command otherwise your thermometer may display a random value for a channel where the f command has been used h Displays a help menu screen see above 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 Ex Model HHTFO101 Option NB Channel 1 Mode Continuous Scanning Mode Scanning rate Fast Serial HHTFO111A Internal Software V1 21 Last Factory Calibration 05 02 04 YY MM DD Unit C Keyboard Status Unlock Channel Zero Span Enabled Temperature offset 1 XXX X xxxx Yes No tXXXX X Temperature differential that is a consequence of the f command q q allows for selecting the fast q or the slow q acquisition mode This is equivalent to the Sampling Rate selection that is available on the FOB100 keypad In slow mode the last 4 temperatures are averaged before being displayed or sent to the RS 232 port this provides a better reading at the expense of being slower t or t il Returns the current temperature reading for channel i is displayed if the specified channel number is no
19. automatically sent except in case of failures when the Errx error code is sent instead Do not send your next command before receiving either the or the Errx prompt The and I characters must not be typed in they are used here for ease of reading only b This command returns the internal temperature of the enclosure The temperature is returned in C or F unit as specified by the u command Ex b 32 2 n f j or f i j This command forces an actual temperature reading j for channel i any resulting offset will be applied to all future measurements for that channel This is useful to compensate for small temperature deviations that may occur between sensors A maximum offset of 5 C is recommended if it is 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 Always follow the recommended procedure as given below Force temperature procedure l Apply a stable and known temperature to the sensor tip Il Check the display reading for abnormal deviation from the known temperature Il Send the f command followed by channel number a blank character and the reference temperature value example f2 27 0 enter Temperatures must be entered in units as specified by the u command IV Wait a few seconds V Confirm th
20. delimited The parameters that are useful to control the logging are shown in the lower left portion of the window as shown here logging tem Acquisition Rate 7 50 sec To set the logging filename click on SAVE AS this allows you to enter a file name For information the current filename is displayed just below this button To set the acquisition rate enter a number in seconds in the appropriate text box Rate can be set from 0 2 to 3600 seconds 26 To start acquiring data click the START button Conversely to stop the STOP button When subsequently trying to opening the tem file it is possible that you may get the fo Windows cannot open this File To open this file Windows needs to know what program created it Windows can go online to look it up automatically or you can manually select From a list of programs on your computer File OmniLinkLog tem What do you want to do O Use the Web service to find the appropriate program i acquisition click the llowing 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 If you get the following message you should select Read Only File in Use OmniLinkLog tem 7 tem is locked For editing by another user Notify Cancel Click Notify to open a read only copy of the document and receive
21. e factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components in which wear is not warranted include but are not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF
22. en day 4 7 Icon definition This section presents a definition of all icons that may appear in the top portion of the screen Icon Description o A RS 232 serial cable is connected The 6VDC power module is connected The internal batteries are not used B A SD or MMC card is inserted D LI No SD card is inserted NU SD 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 before auto shutting off without further warning Note This display is only valid when rechargeable batteries NiMH or NiCd are used if you are using non rechargeable alkaline batteries the charge remaining will quickly drop towards the end of life of these batteries TN 4 8 Power jack Omega Engineering recommends that you always use the supplied 6VDC power supply module If you use a different supply module it must supply a DC voltage ranging from 5 2 to 6 8VDC the center pin is the contact If you accidentally use a DC supply that has a voltage outside this range max of 28 VDC this should cause no harm to the 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
23. es a format command where FAT16 is always used 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 You should use your PC to erase any specific file s the HHTFO does not have any function to erase files from the SD card 4 5 1 File naming convention File names are structured as follows YYMMDDXX OEI where e YY represents the current year e g 06 e MM represents the current month e DD represents the current date e XXisa sequence number that starts at 01 and can go up to 99 e OEI is a fixed file extension Furthermore file sizes are limited to 65500 lines to ease their import to spreadsheet such as Microsoft Excel When the 65500 limit is reached a new file is open using the next available file sequence number Typical file content may look like this 07072501 0EI Notepad foe ex File Edit Format View Help pmega C Serial NMD237A Channel 1 dd mm yyyy hh mm ss 25 07 2007 15231713 25 36 25 07 2007 15 11 14 25 36 25 07 2007 15 31 15 25 36 25 07 2007 15 31 16 25 28 25 07 2007 15 31 17 25 28 25 07 2007 15 31 18 25 32 25 07 2007 15 31 19 25 24 A time stamp accompanies each temperature entry 24 hour time format File format is tab delimited The logging menu includes 3 sub menu
24. eturn package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number ofthe product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA s policy ls to make running changes not model changes whenever an improvement is possible This affords our customers the latest n technology and engineering OMEGA ls a registered trademark of OMEGA ENGINEERING INC Copyright 2006 OMEGA ENGINEERING INC All rights reservad This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC 33 Where Do Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE EF Thermocouple RTD amp Thermistor Probes Co
25. horized Omega Engineering service depot Fiber optic probes are fragile and will break if the bending radius becomes less than 1cm even temporarily Probe breakages are not covered under the standard Omega warranty Do not bend the last one cm of the probes 1 INTRODUCTION Congratulations on the purchase of your HHTFO Series thermometer product Your new temperature sensing instrument will soon allow you to take full advantage of the benefits inherent to fiber optic sensing technology It offers accurate and reliable temperature measurements combined with extraordinary insensitivity to 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 The thermometer is packaged in a small hand held package which is ideally suited for portable applications This model does not feature an analog output option the Omega model FOB is recommended if this option is required The standard configuration is offered with an RS 232 interface In addition a large LCD graphical display makes it easy to see the temperature for one channel supported by the HHTFO either in Celsius C or in Fahrenheit F even in dark areas by activating
26. items 1 Format 2 Enable and 3 Rate As the sequence number is limited to 99 you are limited to a total of 99 logged files per day Also if you are logging temperatures when the clock reaches midnight on any given day the next file that will have its name constructed based on the new date and the sequence number will be reset to 01 4 5 2 The Format sub menu Warning Exercise extreme care when using this function It will erase ALL files and data you may have saved on the SD card Once you select Format Yes you need to confirm the format operation by holding down BOTH the Left and the Right arrows simultaneously for at least one second if this confirmation is not done within about 10 seconds the format operation is aborted Format successful is displayed upon a successful operation 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 that would be in FAT32 4 5 3 The Enable sub menu This sub menu allows you to engage or disengage the logging feature This parameter must be ON to be able to do logging To actually start the logging process you need to exit this menu and press the Right arrow Logging will be done at the rate defined by the Rate parameter see next Sec
27. meter 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 Your software should be set at 9600 Baud 1 Stop Bit and No Parity 6 1 Using Hyper Terminal in Windows Hyper Terminal is a standard Windows program that can be easily used to exercise your HHTFO101 thermometer To use Hyper Terminal you first set its properties as follows 1 In the Connection Description window enter a name that suits you such as Omega FOB100 Click OK 2 In the next window Connect To select COM1 or another COM port if you are planning to use another port than COM 1 in the box called Connect using Click OK 3 Then the COM1 Properties window will come up As indicated above and as shown in the figure at right set the port parameters to 9600 Baud 1 Stop Bit and No Parity Click OK 4 You are ready to go Type h enter to test your setup see below Warning the characters that you enter are not echoed to you Connect To COM5 Properties Port Settings S Omega FOB100 Enter details for the phone number that you want to dial Bits per second Data bits Country region Parity Area code Stop bits Phone number l Flow control Connect using
28. nce a year The HHTFO does not charge batteries a charger must be used A small internal battery keeps the time and date going even when the HHTFO is off Size 170L x 118W x 37D mm Weight 0 8 kg with 4 AA batteries Standard interface RS 232C Sensor Dielectric silicone tipped optical fiber All technical specifications are subject to change without notice The following figure gives a description of the various probe configurations that are optionally available from Omega General Purpose Probe FOBS 2 490 microns ST connector sensitive area N A 1 15 mm PTIC Teflon i ra r 1 15 mm _ amp T hi 2 meters standard Coupling included with extension cable 3 mm Polyurethane cable reinforced with Kevlar threading LE S JUUU 2 NE ST connector Other options and configurations are also possible contact Omega for more information 1 2 Calibration Your HHTFO thermometer comes factory calibrated A re calibration is recommended every 12 months or whenever performance verification indicates that calibration is necessary NIST traceable calibration certificates are available All calibrations are performed at the factory Contact your Omega Representative for further information 2 UNPACKING Before using your HHTFO thermometer check the box content to be sure all items have been included Your package should normally contain e HHTFO signal co
29. nditioner unit e Power supply module universal input 100 240VAC 50 60Hz output 6VDC Note this is not a battery charger e Short extension cord and mating sleeve should be used to minimize damages to the connector at the HHTFO interface e User manual this manual e Calibration Certificate Options Fiber optic temperature sensor probes Fiber optic extension cables Fiber optic coupling RS 232C interface cable Battery charger with 4 AA batteries Ni Cd or Ni MH universal input 100 240VAC 50 60Hz SD memory card various capacity up to 1Gbyte SD card reader USB interface USB serial adapter cable FOB100 SOFT software package CD Carrying case for HHTFO and accessories Make sure all listed items have been received and are in good condition Note any evidence of rough handling in transit immediately report any damage to the shipping agent Should a part be missing or damaged please contact your distributor immediately Returns must be made with the original packaging accompanied by an authorization number RMA Omega Customer Service Department will provide you with information concerning the return of merchandise you can contact Omega at 800 622 2378 or 203 359 1660 The carrier will not honour damage claims unless all shipping material is saved for inspection After examining and removing contents save packing material and carton in the event reshipment becomes necessary 3 QUICK INTRODUCTION The be
30. ndow will appear Ch 1 1 Ch1 Ch 2 2 Ch1 Ch 3 2 Ch2 The size of this window will adapt to the number of channels to display Up to 32 values can be shown Refresh rate is always 1 0 sec This window is re scalable If an alarm is active for a channel the corresponding display will change color blue for a low temperature alarm or red for a high temperature alarm 8 3 2 4 Displaying analog values dials To display analog temperatures using dials click on the Analog button The active window becomes this Analog Dial View Ch 1 1 Ch1 Ch 2 2 Ch1 Ch 3 2 Ch2 29 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 channel that has its Chart checkbox unchecked in the main window will not be shown If an alarm is active for a channel the corresponding dial numbers will change color blue for a low temperature alarm or red for a high temperature alarm 8 4 The FOB100 Console You must be in System Configuration mode to use the console The Console should be used only by experienced users 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
31. nnectors Panels amp Assemblies fA Wire Thermocouple RTD amp Thermistor Calibrators amp koe Point References i Recorders Controllers amp Process Monitors Infrared Pyrometers PRESSURE STRAIN AND FORCE i Transducers amp Strain Gages fi Load Cells amp Pressure Gages i Displacement Transducers E Instrumentation amp Accessories FLOW LEVEL f Rotameters Gas Mass Flowmeters amp Flow Computers Air Velocity Indicators i Turbine Paddlewheel Systeme E Totalizers amp Batch Controllers pH CONDUCTIVITY i pH Electrodes Testers amp Accessories li Benchtop Laboratory Meters i Controllers Calibrators Simulators amp Pumps f Industrial pH amp Conductivity Equipment DATA ACQUISITION f Data Acquisition amp Engineering Software i Communications Based Acquisition Systems i Plug in Cards for Apple IBM amp Compatibles E7 Datalogging Systems i Recorders Printers amp Plotters HEATERS fi Heating Cable i Cartridge amp Strip Heaters Immersion amp Band Heaters E Flexible Heaters i Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL i Metering amp Control Instrumentation E Refractometers E Pumps amp Tubing i Air Soil amp Water Monitors i Industrial Water amp Wastewater Treatment i pH Conductivity amp Dissolved Oxygen Instruments M4357 0906 34
32. notification when the document is no longer in use In Excel the data file should look like this x oso TA m Hl File Edt view Insert Format Tools Data Window Help Type a question for help GENEES i Y 4 d 42 0 x 21AL AD 100 Bir Reply with Changes End Review n7 X f A 8 c oO E F c MEME 1 Omega Inc 3 2 Instrument serial 1 omega 1 2 FOB111A 2 FOB111A 3 Channel name 1 1 Ch1 1 2 Ch1 2 2 Ch2 4 Channel 1 2 3 5 1602 2007 20 10 16 26 6 23 21 5 6 1602 2007 20 10 21 26 7 23 21 5 7 16 02 2007 20 10 26 26 6 23 21 4 M logging lt gt Ready NUM Notes 1 If a column shows this means that this column is too narrow to your mouse to widen this column display the data use 2 If you open a logging file during acquisition the Excel window is not refreshed as the acquisition is taking place To get a more recent version of the file close the Excel program and start Excel again 3 A value of 999 xx indicates that no reading is available for this channel Check the probe connection If you stop the acquisition and start it again with the same file name the new values will to the existing file content However a new 4 line header is inserted first as shown here 27 simply be appended i File Edit View Insert Format Tools Data Window Help pe a question for help 2 F x SES ind EE Mle ea E Wee E
33. on Contact Omega oe EE Hi Lo 0 5 Hz Temperature out of maximum instrument limits or no signal Err5 Argument out of range Err6 Unrecognized command 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 This high level software package is programmed to automatically handle all types of errors as outlined in the next section 22 8 FOB100 SOFT SOFTWARE PACKAGE 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 supports both the FOB100 series and HHTFO101 fiber optic thermometers 8 1 Getting started with FOB100 SOFT FOB100 SOFT was designed to acquire temperature readings from all models of the Omega FOB100 thermometer family This versatile software package is designed to work with Microsoft Windows operating system to fully exploit the capabilities of FOB100 SOFT it is recommended to use it in conjunction to commercial spreadsheet software such as Microsoft Excel 8 1 14 Hardware and software requirements The following list includes the minimum requirements for running the FOB100 software A Pentium class or higher CPU SVGA or higher resolution display system supported by Windows
34. ou access to more advanced menus The display is illustrated below Em ONUSD 2006 10710 123 4 2 Keypad operation The keypad is composed of 6 keys as follows Escape key Up amp Down keys Left amp Right keys The Escape key has the following functions To move up inside a menu When used in conjunction with the OK key it controls the backlight feature The OK key is used to To move down inside a menu When used in conjunction with the Esc key it controls the backlight feature To confirm a specific menu selection The Up and Down keys can be used to e When inside a menu to select a parameter e When a parameter is highlighted to change its value e The Up key can be used to snap the present temperature value to the logging file The Left and Right arrows can be used to e When at the first menu level can be used to select one of the four main menu items e The Left arrow can be used to move up between menu levels 4 3 Using the backlight The backlight can be turned on and off by keeping the Esc key pressed while temporarily pressing the OK key Note that the backlight has 3 levels 1 off 2 dimmed level and 3 full on you can scan between these 3 levels by pressing the OK key multiple times while keeping the Esc key pressed When running from the battery the backlight is automatically turned off after 1 minute of keypad inactivity 44 The setup menu This menu can be selected by pressing the OK key
35. r its connection It can be used as a diagnostic tool to confirm the good operation of a probe and its patch cord if applicable connected to a channel The returned value can be between 0 3 to approximately 3 00 a higher value is better A minimum of 1 25 is required for a channel to return a temperature Ex with the HHTFO101 thermometer will return CH1 power 2 61 lamp attenuation 250 CCD time 50ms fixed lt CR gt y pn 0 3 to 1 1 indicates that no probe is detected for this channel 20 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 while the second sequence would be a The host computer should send the t or t i command followed by a character b The thermometer responds by echoing the requested temperature values as indicated above the transmission is terminated by a character C When the character is received it is suggested to immediately terminate the dialog session by having the host computer issue the r command followed by a character 21 7 ERROR CODES The following error messages are displayed under certain error conditions RS 232 Display Analog Out Err2 Err2 Internal memory checksum error Memory corrupti
36. re E Refresh Rate sec 2 02 ew Sfis0 0 204 20 24 34 20 24 35 20 24 37 20 24 38 20 24 40 20 24 41 20 24 42 20 24 44 20 24 45 20 24 47 20 24 48 20 24 49 20 24 51 20 24 52 20 24 54 Time 28 Adjust the Refresh Rate minimum is 0 2 sec and Min Max to suit your viewing needs Note that the setting of curve colors and other parameters must be done in the System Configuration window pane Up to 64 trends can be displayed 8 3 2 2 Displaying analog thermometers Click the Thermo button the following window will appear f Thermometer View Ch 1 1 Ch1 Ch 2 2 Ch1 Ch 3 2 Ch2 150 0 150 0 150 0 125 0 125 0 125 0 100 0 100 0 100 0 75 0 75 0 75 0 50 0 50 0 25 0 25 0 0 0 0 0 23 0 21 4 Max 150 0 All thermometers share the same Min Max reading setting Refresh rate is fixed at 1 0 sec The size of this window will change depending on the number of channels to display Up to 16 thermometers can be shown if you want to display more than 16 channels only the first 16 detected channels will be shown note that any channel that has its 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 8 3 2 3 Displaying digital values To display digital temperatures click on the Digital button The following wi
37. rs 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 Up to 64 curves can be simultaneously displayed The sampling time base is adjustable 8 5 2 3 View Thermometers Select this menu item to display thermometers that will give you temperature data on up to 16 channels Sampling rate is fixed at one reading per second 6 5 2 4 View Digital meters Select this menu item to display digital readouts that will give you temperature data on up to 32 channels Sampling rate is fixed at one reading per second 8 5 2 5 View Analog Dial meters Select this menu item to display analog dials that will give you temperature data on up to 16 channels Sampling rate is fixed at one reading per second 8 5 3 The Help Menu This is a standard Windows Help menu 32 MADE If ne s Us m WARRANTY DISCLAIMER mum OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGAs WARRANTY adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to th
38. s may cause transmission failures Particularly we have experienced problems with the use of DBO9 to DB25 converters and other similar so called gender changers Also some USB to RS232 converter adapter are known to cause problems Omega offers excellent converters Limit your cable lengths to 10 meters 3 If the automatic COM port scanning is causing problems with some of your other programs specific COM ports can be excluded from being scanned Refer to Section 8 5 1 3 for more information 23 You should normally see a window similar to this Acquisition Ch Instrumen 1CH1 1CH2 1CH3 1CH4 2 CH1 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 window active as shown in the figure above To switch to the System Configuration window you need to click on one of the instrument names that have been detected for example by clicking on Omega FOB you will get the following window fS FoB100 s0F1 File Window Help FOB100 SOFT COM Port 4 Serial Number 193A Scan Rate Sow 2 aadae E aaaas wn aadae i naai FOR Last Calibration 7 Jul 2025 Omega FOB Keypad a Analog Output ro Span
39. ssecessecssscessecesseceseccssscesecesecesseceseecessecessceeeeeeeeeaes 15 5 USING TEMPERATURE PROBES sisiessicisisvccoiecssstessseectetesenstutesuostesodecstctecoestesuteesdsdeseustenssvecdudesucotasevacedosetossssest s 16 5 1 CAUTION NET EK 16 5 2 DESCRIPTION cose eves onncistet SEEE er sous OEHDI EDIDI NEED ok AR ees 16 53 WARNING iiss oio es EET HEURES ches sek gta esa bg RENEE a SSS GIRO ED ENDE IN IA ORDEI OS 17 6 SERIAL COMMUNICATION DESCRIPTION csscssscsssssssssscsssssssssscssscscsssscsssssssssscsscssscssscsssssssssscsscssssenses 18 6 1 WSING HYPER TERMINALIN WINDOWS 2 teo ceste IN e EE ER EUER EE ENSE T A E AEN Si 18 6 2 SPA SIUE 18 6 3 DETAILED DESCRIPTION OF RS 232 COMMANDS ccsccessscssseessscessecescecssscceseccesscessecssecessecesecesseceseecsssecssecesseessseeenes 19 6 4 TYPICAL TEMPERATURE READING SEQUENCE csscsssscsssecssseessscesseceseecsssecsssecssecessecsseeessecesaeceseeceseecsaeeesuecesseeesesenues 21 7 ERROR CODES eese terae iecore aeta ba tol eo bete eU a eae va e kro eer bT epus ed eese los ten ae eaa esae pause nva eere ev Va eu epo vE Tag 22 8 FOBIO0 SOFT SOFTWARE PACKAGE sssccssacesssnsscesssenssnssceansessensacsensesssnsceonsessensecesnsenssasedeonsesseasscsonsedseaseseosses 23 8 1 GETTING STARTED WITH FOB100 SOFT esses s ae ae araa eras iriiri iati 23 8 1 1 Hardware and software requirements eee esee eene tetne nete eene eterne etes 23 6 1 2 Tr
40. st 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 use If the unit has not been used already install fresh AA alkaline or rechargeable batteries This figure shows the main view of the HHTFO along with the top and bottom views FRONT OO OMEGA 2006 10 24 186 mm 2 lp 118 mm 3 1 Installing batteries EH Aoc c 236 1 gt SET HOUR 17 EM HHTFO 17 34 SD flash card SD CARD o Probe input COM port in out 6DC power input Battery access port 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 charged The following illustration shows the proper orientation of the 4 AA batteries Note A small battery inside the HHTFO keeps the time and date running even when the main batteries are not installed or when the AC power module is not used This small battery has a nominal lifetime of 10 years 3 2 Making your first measurements To make your first temperature measurement do as follows e Remove the dust cap on the optical connector of the HHTFO located on the top of the HH
41. stalling FOBIO0 SOT zi ette tt eret tte eai meten et ete tae orae tpe tute esee tuer eee en eae 23 8 2 A QUICK TOUR OF BOBTOOSSOET 1 nani ere pesti rte o ior EH seuss 23 8 2 1 Working with the Configuration Window eese ennt eene nennen trenes 24 8 3 ACQUIRING AND VIEWING TEMPERATURE DATA cccssscessscssseessscessecesseesseecessccssecessecesecessecessecessecesseceseecssecesseeeseeeues 26 8 3 1 Logging temperature data to a file essent netten tenente trennen ene nennen 26 8 3 2 Viewing temperature data aseo e Rt e bot epe ete eh 28 8 4 THE FOBI 00 CONSOLE vs seh 225535053050 Sees evs RE es ES c a He eee EL Ped i n ni 30 8 4 1 Console NITET RRR 31 8 5 FOB I002S OFT BUNCTIONS 3 3 e DENEN RERO FG RE NAE ER Be ae NA NON N NE E RASEN 31 6 5 1 The File Mn iR EE GU ERU UR RU oa 31 8 5 2 The Window E MENU ESEE RR RU GU Nd 32 8 5 3 The Help Menu eese esses esee a enses theirs tns trees insere trees trn t stets teens tete tnnt nn treten 32 Warning 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 This product does not contain any user serviceable parts Opening this precision instrument will void its warranty and disturb its factory calibration Always seek servicing from an aut
42. t currently enabled or when no valid temperature is available for the requested channel However during the initial warm up time the error Err1 is sent in response to the t command For multi channel instruments if the t command is received without parameter the temperatures for all channels are returned All temperatures are returned in C or F unit as specified by the u command Ex t4 irn will return the temperature for channel 4 t enter with the HHTFO101 thermometer will return 24 3 lt CR gt The t command is also available in a special ta version that can be useful for continuously and automatically monitoring all enabled channels This special mode is recommended when automatically acquiring temperature readings with a suitable data logging software and can be activated by issuing the tat command or deactivated with the ta command Once activated the following information is automatically sent when the temperature on a channel has been acquired C UDST EXXX XCR where i is the channel number and xxx x is the temperature reading signed number u i Set units of measurements to either Celsius i c or Fahrenheit i f Note that this unit selection is the same as the temperature unit selection made from the keypad if the display option is installed Ex uc ten to select C Celsius y The y command can be used to confirm the signal strength of a probe and o
43. tion 4 5 4 The Rate sub menu You must program your sampling speed from predefined sampling intervals which are 1 sec 2 sec 5 sec 10 sec 30 sec 1 min 2 min 5 min 10 min 30 min 1 hr snap A temperature value is saved whenever the Up key is pressed You must first start the logging as explained in the following Section 4 6 4 6 Starting and stopping a logging session In order to successfully log temperatures the following steps should normally be followed e 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 e Make sure the following parameters are corrected set you may have to go to the appropriate sub menus to set these parameters o Select the desired sampling rate from the Rate sub menu o Enable logging must be ON from the Enable sub menu Exit completely from all menus i e go to the main screen using the Esc key a few times e Press the Right arrow to actually start logging values into your SD card The file name currently being used is displayed e To stop the logging process either o Press the Left arrow o Go the Logging Enable sub menu and change the Enable parameter from ON to OFF e f you have used the Left arrow to stop logging pressing the Right arrow will restart the logging process but in a different file sequence number incremented by 1 Note A maximum of 99 files can be logged on any giv
44. used with care To perform an offset adjustment follow these instructions 1 2 5 Click the Offset Adjust button Es that is just next to the channel number you want to calibrate The following menu window is available f Channel Offset ig mj X zm Type in the Set Point box the actual temperature that you would like to force for this channel this temperature is normally obtained using an accurate NIST certified primary temperature reference Press the OK button to activate the reference temperature The Offset value will reset to its new value as a result of your new forced temperature this new offset is now displayed in the main window To reset this forced temperature setting go back to the Channel Offset window and click the Clear button Repeat the same procedure for the other channels that you want to modify 8 3 Acquiring and viewing temperature data Once all your thermometers are properly connected and configured you may want to log data to a file or to display their values on screen A number of tools are available for that To view or acquire data the Acquisition pane must be active 8 3 1 Logging temperature data to a file FOB100 SOFT offers the possibility to log temperature values to an Excel compatible file The default file extension is tem this file can be subsequently open using Excel which should open it and automatically recognize as an Excel compatible file tab
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