Omega HHF143 User Manual Download Page 1

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HHF143

Handheld Rotating Vane

Thermo-Anemometer

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User’s Guide

Summary of Contents for HHF143

Page 1: ...e mail info omega com For latest product manuals www omegamanual info HHF143 Handheld Rotating Vane Thermo Anemometer TM Shop online at omega com User sGuide...

Page 2: ...pecifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Cana...

Page 3: ...ospace development industrial process airflow and fluids research The rugged yet precise probe can be used for airstreams that have a wide range of humidity temperature and contaminants without compro...

Page 4: ...ofreading 1 digit Temperature 0 3 C 0 2 of reading in C Temperature accuracy examples 0 3 C at20 C 0 5 Fat 68 F Resolution Air Velocity Temperature Operating Temperature Instrument Air Probes Power Su...

Page 5: ...engths Included 1 HHF143 Instrument 1 Vane type probe head with RTD temperature sensor choice of 2 75 Inch or 1 Inch Diameter 3 Rigid extension rods with handle grip 1 Flexible extension rod 1 Probe c...

Page 6: ...INCH 70MM MOUNTING BOSS WITH 3 8 16 UNC TAPPEDHOLE 750 INCH DEEP ELECTRICAL CONNECTOR 875 INCH __ ______ 22MM _________ 4 9 INCH 124MM 1 INCH PROBE 1 7 010 INCH I 43MM I I 5 5 inches 140mm Flev 1 8 10...

Page 7: ...during tum on The unit will flash AOFF which means that the auto power offha been disabled The auto power off is re enabled each time the instrument is turned on Press the BACKLIGHT key to tum the LC...

Page 8: ...ution press the FPMIMPS key again Either FPM or MPS will be displayed along with the reading Press the SAMPLE RATE key to change the measurement averaging rate sample rate ofthe instrument for air vel...

Page 9: ...2 alternating with L 16 signifies that 82 is the lowest airspeed reading since the MAX MIN key was pressed and the sample rate is set to 16 seconds To exit MAX MIN mode press the SAMPLE RATE key Press...

Page 10: ...YMBOL ft min METERS PER SECOND SYMBOL mis DEGREES FAHRENHE SYMBOL DEGREES CELCIUS SYMBOL LCD DISPLAY DISPLAY HOLD APPENDIX B BATTERY REPLACEMENT REMOVE BATTERY COVER REMOVE TWO SCREWS REPLACE THREE 3...

Page 11: ...squared times n 3 14 Rx Rx 3 14 A cross sectional area To convert an area calculated in square inches to an area c alculated in square feet which is required for the Volume Flow equation above divide...

Page 12: ...ignments and wire colors are given in the table below Also shown is a block diagram of the analog output circuit Pin 2 3 4 Analog Output Corresponding Measurement Equation to convert from To convert f...

Page 13: ...viewed on the LCD display With the additional error associated with the analog output voltage the effective accuracy of the analog output for this air velocity measurement will be 2 ofreading 1 digit...

Page 14: ...for Windows Linux and MAC from FTDI Ltd on their website http www ftdichip com DriversNCP htm We recommend downloading the setup exe1cutable which automatically runs and configures the drivers for you...

Page 15: ...rders ffi ooarck fl t Mio ardothei poma gde wia s ffl Nl tworkadapters ffi I PCMlAadapll n El _ Parts LJJT _ c ncauan l art Ca 11 ECP l art Prl ffl PrOCSIOB ffl 9 Soo rd vdeoandg 1111eainlnllers You a...

Page 16: ...t the RS232 cable included to the female connector on the bottom of your instrument Connect the other end to an RS232 port on your computer STEP 3 Turn the Instrument ON STEP 4 Verify that the Instrum...

Page 17: ...rt to be opened with the above port settings and real time data to be viewed from the instrument One such terminal emulator program is Windows HyperTerminal To launch Windows HyperTerminal go to START...

Page 18: ...ilsfor1hephone number1hat youwantto diat Counlry region Uoiled St es Area code Phone numbec Connectusing ii __ o_K__ I Cancel In the next window select the port settings as shown below and click OK Th...

Page 19: ...n ac1 115 I T b ys o l Ba k s ac e iceys w ds i C Mi O Del O c Mi Space C Mi Ism _____ D Play ca o d gar Make sure that Append line feeds to incoming line ends is CHECKED as shown below Click OK ASCIS...

Page 20: ...isplay Below are examples of the formatted output data for Omega s HHF141 HHF144 Series Instruments units may be different depending on the units selected on the LCD display Model HHF141 Air 47 FPM CR...

Page 21: ...paste the instrument data into an editor such as Windows Notepad Once you have the instrument data in a file save tile file as a CSV type e g lnstrumentData csv Open the file in a spreadsheet applica...

Page 22: ...so that you ll have another year of dependable service Calibration also includes a complimentary firmware upgrade so that you know you ll have the latest advances in accuracy and reliability in your i...

Page 23: ...Notes Rev 1 8 10 un 2008 Page 22 of 24...

Page 24: ...Notes Rev 1 8 10 Jun 2008 Page 23 of24...

Page 25: ...A 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 m...

Page 26: ...s M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U...