HHF82 - OMEGA Engineering
Contents
1. 4 Operating Instructions 4 6 Measuring Real time Air Speeds 4 5 Recording and Displaying Maximum and Minimum Speeds 5 6 Specifications 6 Maintenance Tips 7 INTRODUCTION Thank you for purchasing OMEGA s HHF82 Mini Digital Airflow Meter Please read this user s manual carefully and thoroughly before using the product The HHF82 is an inexpensive one piece vane anemometer that can accurately measure airflow speeds in ducts and at input and output grilles of HVAC R systems KEY FEATURES Five available air velocity units ft min m sec kmph mph knots Low friction ball vane wheels provide high accuracy at all air speeds Min max memory data hold 10 minute Auto Power Off disabled during Min Max recording sessions 2 Small and light enough for one handed operation Includes wrist strap CE and RoHS approved 1 year limited warranty WHAT S IN THE BOX The meter comes in a white box along with this user s manual PRODUCT OVERVIEW The figure below shows all controls and components on the front of the meter as well as the location of the battery compartment which is accessible from the2. 0 9 to 67 mph 0 8 to 58 3 knots Measurement Accuracy 3 of full scale value below 20m sec 4 of full scale value above 20m sec Measurement Resolutions 0 1 km hr 0 1m sec 1 fpm 0 1 mph 0 1 knots Display Size 1 3 in 33mm diagonal Digit Height 3 8 in 10mm Auto Power Off Trigger 10 minutes of front panel inactivity disabled in Min Max recording mode Current Consumption 17mADC Dimensions 6 15 x 2 36 x 1 29 in 156 x 60 x 33mm Weight including battery 5 6 oz 159g Power Source 1 9V battery 6 MAINTENANCE TIPS When the icon appears in the upper left corner of the LCD it s time to change the meter s 9V battery although measurements will remain valid for several hours after the icon first appears To change the battery follow the Setup Instructions on p 4 Remove the battery if you do not expect to use the meter for an extended period of time months or years Do not drop or disassemble the meter or immerse it in water To clean the housing or LCD use a dry or damp cloth Avoid using chemical cleaners 7 FOR WARRANTY RETURNS please have the following information available BEFORE contacting OMEGA 1 Purchase Order number under which the product was PURCHASED 2 Model and serial number of the product under warranty and 3 Repair instructions and or specific problems relative to the product FOR NON WARRANTY REPAIRS consult OMEGA for current repair charges
3. Have the following information available BEFORE contacting OMEGA 1 Purchase Order number to cover the COST of the repair 2 Model and serial number of the product and 3 Repair instructions and or specific problems relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2015 OMEGA ENGINEERING INC All rights reserved 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 WARRANTY DISCLAIMER 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 OMEGA s 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 the 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 WARRANT
4. back of the unit A Vane sensor B LCD C Power button D Hold button E Max Min button F Unit button G Wrist strap H Battery compartment on back 3 B C F G E D H A SETUP INSTRUCTIONS INSTALL BATTERY To open the battery compartment turn the meter over and use a small Phillips head screwdriver to loosen and remove the single screw securing the battery compartment cover Plug a 9V battery into the wired socket inside the compartment The terminals of the battery and the socket mate in only one way with the smaller male terminal plugging into the larger female terminal Secure the battery compartment by replacing its cover and reinstalling and tightening the Phillips head screw Complete setup by carefully removing the plastic film protecting the LCD OPERATING INSTRUCTIONS MEASURING REAL TIME AIR SPEEDS To begin press the front panel Power button The meter will respond by sounding a single beep Then press the Unit button below it one or more times to choose from among five widely used air speed units The options are in the button press sequence Km h kilometers per hour the factory default unit M S meters per second fpm feet per minute mph miles per hour Knot knots The meter will remember your last selection when it is powered off and will resume using that unit upon restart So if you always use the same unit you will never have to press the Unit button agai
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6. HHF82 Mini Digital Airflow Meter e mail info omega com For latest product manuals omegamanual info Shop online at omega comSM User s Guide The information contained in this document is believed to be correct but OMEGA accepts no liability for any errors it contains and reserves the right to alter specifications without notice Servicing North America U S A Omega Engineering Inc One Omega Drive P O Box 4047 Stamford CT 06907 0047 USA Toll Free 1 800 826 6342 USA amp Canada only Customer Service 1 800 622 2378 USA amp Canada only Engineering Service 1 800 872 9436 USA amp Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide omega com info omega com MINI DIGIT AL AIRFLOW METER USER S MANUAL HHF82 Please read this manual carefully and thoroughly before using this product TABLE OF CONTENTS Introduction 2 Key Features 2 3 What s In the Box 3 Product Overview 3 Setup Instructions 4 Install Battery
7. Y 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 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 ind
8. emnification 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 consequential 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 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s 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 Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S 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 return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit M4106 1115 Where Do I Find Everything I Need for Process Measurement and Control OMEG
9. n To extend battery life when operating in real time mode the HHF82 will automatically power itself off following any 10 minute period in which no front panel button is pressed The meter will sound two beeps twice when this Auto 4 Power Off APO function is activated The APO function is disabled when operating in Min Max recording mode see next section To make a measurement position the vane at the top of the meter perpendicular to the source of air or wind Allow time for the reading to stabilize It makes no difference whether the front of back of the vane faces the wind or air flow To hold any reading freeze the display press the Hold button To release the hold and resume displaying real time values press the Hold button again This function is very useful for making measurements in low light or when the source of air or wind is above your head below your knees or around a corner You can make a measurement hold it and then read the display up to 10 minutes later after positioning the LCD at eye level RECORDING AND DISPLAYING MAXIMUM AND MINIMUM SPEEDS The HHF82 can record the maximum and minimum fastest and slowest air speed values measured over a user selectable period of time The Min Max recording function is handy for noting fluctuations in the output of a fan over time During these recording sessions the meter s Auto Power Off function is disabled to enable recording for longer than 10 minutes The only limi
10. t on recording duration is remaining battery life To begin recording Max and Min readings first position the vane in the flow of air or wind and then press the Max Min button on the right side of the front panel If you begin recording before positioning the vane your Min reading will always be recorded as 0 0 zero Pressing the Max Min button will cause the term REC to appear at the top left of the LCD The meter will continue to record Max and Min values but display real time values until you press the Max Min button again To display the maximum air speed measured during the current recording session briefly press the Max Min button Do not press and hold the button this will stop recording The LCD will display the maximum value below the term Max on the top line 5 To display the minimum air speed measured during the current recording session briefly press the Max Min button again Again do not press and hold the button The LCD will now display the minimum value below the term Min on the top line Once you have pressed the Max Min button with REC on the top line you cannot resume displaying real time readings without ending the recording session To end the recording session press and hold the Max Min button This will cause the REC term to disappear The meter will then resume displaying real time air speed measurements SPECIFICATIONS Measurement Ranges 1 4 to 108 km hr 0 4 to 30m sec 80 to 5910 fpm
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