Manuals - OMEGA Engineering
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1. Also used to increment indicators and physical individual digits of high structures of the concentration alarm HHAQ 108 MODE Pressed and held calibrates meter to 0 ppm in fresh air Pressed briefly in high alarm adjustment mode shifts one digit to left PWR Pressed briefly with meter off powers meter on Pressed briefly with meter on arms disarms high concentration alarm Pressed and held with meter on powers meter off MAX MIN Selects value shown on upper readout Options are 1 highest or lowest Max or Min level detected since meter was powered on 2 8 hour TWA time weighted average 3 15 minute STEL short term exposure limit 4 1 hour average Pressed briefly in high alarm adjustment mode shifts one digit to right SET Pressed and held enters exits high alarm adjustment mode UNIT Selects F or C unit for ambient temperature reading BKLT Pressed briefly turns backlight on and off Also used to decrement individual digits of high concentration alarm 4 Battery compartment on back 5 Threaded tripod mounting screw hole on bottom 6 Jack for AC adaptor on side MAX MINTWASTELES Fig 2 All possible display HI indications BEG SETUP INSTRUCTIONS INSTALL BATTERIES THE HHAQ 108 s battery compartment Fig 1 Callout 4 is located on the lower back of the meter Obtain four AAA batteries To install them 1 Open the battery compartment by using your thumb to slide its co2. women RESIDENTIAL EXPOSURE In the residential environment formaldehyde exposure comes from a number of different routes formaldehyde can off gas from wood products such as plywood or particle board but it is produced by paints varnishes floor finishes and cigarette smoke as well The U S Environmental Protection Agency EPA allows no more than 0 016 ppm formaldehyde in the air in new buildings constructed for that agency An EPA study found that a new home measured 0 076 ppm when brand new and 0 045 ppm after 30 days The agency recommends the use of exterior grade pressed wood products with phenol instead of urea resin to limit formaldehyde exposure since pressed wood products containing formaldehyde resins are often a significant source of formaldehyde in homes People who suffer allergic reactions to formaldehyde tend to display lesions on the skin in the areas that have had direct contact with the substance such as the neck or thighs often due to formaldehyde released from permanent press clothing or dermatitis on the face typically from cosmetics Formaldehyde has been banned in cosmetics in both Sweden and Japan The eyes are most sensitive to formaldehyde exposure The lowest level at which many people can begin to smell formaldehyde is about 0 05 ppm and the highest level is 1 ppm The maximum concentration value at the workplace is 5 0 3 ppm In controlled chamber studies individuals begin to sense
3. 08 Formaldehyde Meter Please read this user s manual carefully and thoroughly before using the product The HHAQ 108 is an easy to use handheld instrument for measuring levels of gaseous formaldehyde HCHO as part of a workplace indoor air quality IAQ maintenance program or to spot check a residential environment Exposure to formaldehyde has a significant impact on human health In 2011 the U S National Toxicology Program described formaldehyde as known to be a human carcinogen It can also be toxic and allergenic Formaldehyde which is colorless and has a characteristic pungent irritating odor is ubiquitous It is produced by the oxidation or combustion of methane and other carbon compounds and is therefore present in forest fires automobile exhaust and tobacco smoke When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons formaldehyde becomes part of smog The primary exposure concern is for the workers in the industries producing or using formaldehyde Including indirect employment over 4 million people work in the formaldehyde industry across approximately 11 900 plants in the U S and Canada alone For example the textile industry uses formaldehyde based resins as finishers to make fabrics crease resistant Formaldehyde based materials are key to the manufacture of automobile transmissions electrical systems engine blocks door panels axles and brake
4. EL limit KEY FEATURES e Electrochemical sensor measures real time formaldehyde gas concentration from 0 to 5 ppm with 5 accuracy and 0 01 ppm resolution e Also tracks calculates and displays three cumulative formaldehyde gas metrics 8 hour TWA time weighted average 1 hour average and 15 minute STEL short term exposure limit e One button calibration to 0 ppm in fresh air e User adjustable high concentration audible alarm threshold e Also measures relative humidity RH and temperature in F or C e Manually offsetable long term drift of temperature and RH accuracy e Min Max memory and data hold e Large backlit dual readout LCD e 15 minute Auto Power Off can be disabled e Low battery indication e Tripod mount e Powered by 4 AAA batteries e CE and RoHS approved e 2 year limited warranty WHAT S IN THE PACKAGE The HHAQ 108 a 110VAC adaptor and this user s manual come in a soft pouch inside a white box PRODUCT OVERVIEW T FN Fig 1 shows all controls indicators and physical structures of the HHAQ 108 Fig 2 shows all possible indications on the LCD Familiarize yourself with the locations and functions of the control buttons and the meanings of the display icons before moving on to the Setup Instructions and Operating Instructions 6 1 Formaldehyde gas sensor inside vented ball housing 2 Dual readout LCD 3 Control buttons 4 5 HOLD Freezes both readouts Fig 1 The controls
5. YEAR C OE OMEGA User s Guide WARRANTY Shop online at omega com e mail info omega com For latest product manuals omegamanual info HHAQ 108 Formaldehyde Meter OE OMEGA omega com info omega com 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 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 HO OMEGA FORMALDEHYDE METER USER S MANUAL HHag 108 HHAQ 108 Please read this manual carefully and thoroughly before using this product TABLE OF CONTENTS Key PROUT GS inch arn errant aan egen reei ra es PE Na Wein gag aaa eh 7 What s in thePackage 4 05 28 5 dscasds saanade setnastsssnvalevelat aborts 8 Prod ct OVEVIEW sa et 8 9 Setup Instructions innse eet 9 10 Install Batterie pandaene 9 10 Operating Instructions anna naen nana na ea 10 14 Specification aka nee kaa AG aa eR 14 15 Operating and Maintenance Tips a0nnana naas 15 18 INTRODUCTION Thank you for purchasing OMEGA s HHAQ 1
6. 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 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
7. ease have FOR NON WARRANTY REPAIRS consult the following information available BEFORE OMEGA for current repair charges Have contacting OMEGA the following information available BEFORE 1 Purchase Order number under which the contacting OMEGA product was PURCHASED 1 Purchase Order number to cover the COST 2 Model and serial number of the product of the repair under warranty and 2 Model and serial number of the product and 3 Repair instructions and or specific 3 Repair instructions and or specific problems problems relative to the product 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 O 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 Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies MA Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References 4 Recorders Controllers amp Process Monitors MA Infrared Py
8. ecommends using the included 110VAC adaptor if you plan to routinely conduct measurement sessions lasting more than 15 minutes The AC adaptor can also provide a worry free way to keep the HHAQ 108 powered long enough to calculate and display the three cumulative formaldehyde exposure metrics Remove the batteries if you don t expect to use the HHAQ 108 for an extended period of time months or years The meter uses a Capacitive RH sensor and a thermistor temperature sensor whose accuracy may drift over time If you 15 notice that the temperature and or RH readings on the lower readout are consistently high or low compared to a known reference write down the magnitude s of the difference including whether it is positive or negative This number for temperature or RH or these numbers for both parameters represent the extent of the HHAQ 108 s temperature and or RH drift Following is a procedure that you can perform to offset either or both types of drift and thereby restore the HHAQ 108 s specified accuracy 1 With the meter powered off press and hold the MODE and BKLT buttons with fingers of your left hand while pressing and holding the MAX MIN and PWR buttons with fingers of your right hand 2 When the LCD shows 0 0 and SET release all four buttons 3 If you prefer to work in F press the UNIT button briefly to change 0 0G to 0 0F 4 If your temperature drift is negative you want to add value to 0 0 to compen
9. eye irritation at about 0 5 ppm 5 to 20 report eye irritation at 0 5 to 1 ppm and greater certainty for sensory irritation occurred at 1 ppm and above While some agencies have used a level as low as 0 1 ppm as a threshold for irritation the expert panel found that a level of 0 3 ppm would protect against nearly all irritation In fact the expert panel found that a level of 1 0 ppm would avoid eye irritation the most sensitive endpoint in 75 to 95 of all people exposed Formaldehyde emits from a variety of construction materials furnishings and consumer products The three products that emit the highest concentrations are medium density fiberboard hardwood plywood and particle board Environmental factors such as temperature and relative humidity can elevate levels because formaldehyde has a high vapor pressure Formaldehyde levels from building materials are the highest when a building first opens because materials have had less time to off gas Formaldehyde levels decrease over time as the sources suppress A Guide to Formaldehyde Exposure Levels 0 03 ppm Average outdoor level 0 10 ppm Recommend upper short term exposure limit STEL limit for residences by ASHRAE ANSI EPA and NIOSH 0 40 ppm Recommended upper STEL for manufactured homes 0 50 ppm OSHA s workplace limit 0 75 ppm OSHA s 15 minute time weighted average TWA limit 0 80 ppm Level at which most people first detect odor 2 00 ppm OSHA s ST
10. he HOLD button and then without releasing HOLD press and hold the PWR button Doing this will cause a small n to briefly appear on the LCD before the meter powers up with both readouts visible There is no permanent on screen indication that the APO function has been disabled So if you disable APO realize that the batteries will discharge within an hour or two if you forget to manually power off the meter after a measurement session Once the meter has been powered on and both readouts have stabilized the HHAQ 108 automatically begins operating in real time measurement mode In this mode you can 1 Turn the LCD backlight on and off by briefly pressing the BKLT button This feature comes in handy when making measurements above your head below your knees around a corner or in the dark 2 Calibrate the meter to 0 ppm With the HHAQ 108 powered on in a room completely free of formaldehyde gas enter calibration mode by pressing and holding the MODE button This will produce the screen shown below with temperature and RH values continuing to alternate on the lower readout The ooooo string will continue to flash during the self calibration procedure which typically takes 15 seconds 3 4 5 12 Freeze both readouts by briefly pressing the HOLD button The term Hold will appear below the lower readout as a reminder that neither readout is now showing real time values Change the unit of the ambient tem
11. n hair smoothing treatments in order to straighten wavy curly hair and make hair less prone to frizz in humid weather OSHA Oregon has reported these treatments as unsafe for human health An aqueous solution of formaldehyde can be useful as a disinfectant as it kills most bacteria and fungi including their spores Formaldehyde solutions are applied topically in medicine to dry the skin such as in the treatment of warts Urinary tract infections are often treated with a derivative of formaldehyde methenamine a method often chosen because it prevents overuse of antibiotics and the resultant development of bacterial resistance to them Some topical creams cosmetics and personal hygiene products contain derivatives of formaldehyde as the active ingredients that prevent the growth of potentially harmful bacteria A 1988 Canadian study of houses with urea formaldehyde foam insulation found that formaldehyde levels as low as 0 046 ppm were positively correlated with eye and nasal irritation A recent review of studies has shown a strong association between exposure to formaldehyde and the development of childhood asthma Chronic exposure at higher 4 levels starting at around 1 9 ppm has been shown to result in significant damage to pulmonary function resulting in reduced maximum mid expiratory flow and forced vital capacity There is also research that supports the theory that formaldehyde exposure contributes to reproductive problems in
12. order whether based on contract warranty negligence indemnification strict li y 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 FOR WARRANTY RETURNS pl
13. perature value shown on the lower readout to from F and C by pressing the UNIT button The HHAQ 108 will remember the unit in use when the meter powers off and will resume using that unit when it is powered on again Adjust the high concentration alarm threshold To enter threshold adjustment mode press and hold the SET button This will produce a display showing 0 08 ppm the default alarm threshold on the upper readout with the left 07 the ones digit flashing To raise the threshold in increments of 1 ppm to a maximum of 5 ppm press the HOLD button one or more times To lower the threshold in increments of 1 ppm press the BKLT button one or more times To adjust the alarm threshold in increments of less than 1 ppm use the MODE and MAX MIN buttons to move the flashing digit left and right respectively Then use the HOLD and BKLT buttons to set the tenths and hundredths digits of the ppm threshold to any value between 0 and 9 Used together the HOLD BKLT MODE and MAX MIN buttons allow you to set the alarm threshold to any value between 0 and 5 ppm with 0 01 ppm resolution Once you have adjusted the high alarm threshold to its desired value press and hold the SET button to save the setting and return to real time measurement mode 6 Arm and disarm the high concentration alarm a To arm the alarm briefly press but do not hold the PWR button until the amp icon appears in the upper lef
14. rometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages MA Load Cells amp Pressure Gages MH Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL lA Rotameters Gas Mass Flowmeters amp Flow Computers A Air Velocity Indicators lA Turbine Paddlewheel Systems A Totalizers amp Batch Controllers pH CONDUCTIVITY MA pH Electrodes Testers amp Accessories MA Benchtop Laboratory Meters amp Pumps MH Industrial pH amp Conductivity Equipment b Controllers Calibrators Simulators DATA ACQUISITION l4 Data Acquisition amp Engineering Software MH Communications Based Acquisition Systems 4 Plug in Cards for Apple IBM amp Compatibles 4 Data Logging Systems IA Recorders Printers amp Plotters HEATERS 4 Heating Cable MH Cartridge amp Strip Heaters 4 Immersion amp Band Heaters MH Flexible Heaters MA Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL LF Metering amp Control Instrumentation A Refractometers l4 Pumps amp Tubing A Air Soil amp Water Monitors LF Industrial Water amp Wastewater Treatment MH pH Conductivity amp Dissolved Oxygen Instruments M5499 0915
15. sate If your temperature drift is positive you want to subtract value To add value to the 0 0 term press the HOLD button once for each 0 1 of compensation you need To subtract value press the BKLT button once for each 0 1 C of compensation You can press and hold the HOLD or BKLT button to add or decrease a large value The maximum amount of temperature drift you can compensate for is 9 9 C or F 5 If you only need to compensate for temperature drift press and hold the SET button to save the offset value you entered After the bottom line of the LCD shows SAVE for 2 seconds the meter will automatically power off with your temperature offset in place 16 6 If you also need to offset RH do not press and hold the SET button yet Instead press the SET button briefly This will change the display to 0 0 7 If your RH drift is negative you want to add value to 0 0 to compensate If your RH drift is positive you want to subtract value To add value to the 0 0 term press the HOLD button once for each 0 1 of compensation you need To subtract value press the BKLT button once for each 0 1 of compensation The maximum amount of RH drift you can compensate for is 9 9 RH 8 When you are satisfied with the temperature and or RH offset values you have entered press and hold the SET button to save the settings After the bottom line of the LCD shows SAVE for 2 seconds the meter will automatically power off with the offse
16. shoes Occupational exposure to formaldehyde by inhalation is mainly from three types of sources thermal or chemical decomposition of formaldehyde based resins formaldehyde emission from aqueous solutions for example embalming fluids and combustion of a variety of organic compounds Because formaldehyde resins are used in many construction materials it is one of the more common indoor air pollutants At concentrations above 0 1 ppm in air formaldehyde can irritate the eyes and mucous membranes resulting in watery eyes Formaldehyde inhaled at this concentration may cause headaches a burning sensation in the throat and difficulty breathing and can trigger or aggravate asthma symptoms When treated with phenol urea or melamine formaldehyde produces polymer resins that are commonly used as permanent adhesives in plywood and carpeting in nail hardeners and nail polish and as the wet strength material added to sanitary paper products such as facial tissue table napkins and roll towels Production of formaldehyde resins accounts for more than half of formaldehyde consumption Other formaldehyde derivatives include methylene diphenyl diisocyanate an important ingredient of polyurethane paints and foams Formaldehyde has been found as a contaminant in several bath products at levels from 54 to 610 ppm it is thought to arise from the breakdown of preservatives in the products Since 2006 formaldehyde methylene glycol is also used i
17. t corner of the LCD b To disarm the alarm briefly press the PWR button until the amp icon disappears c To cancel the alarm when it sounds briefly press the PWR button 7 Display maximum and minimum formaldehyde temperature and RH session values as well as cumulative formaldehyde exposure levels A measurement session is the period of time during which you measure the formaldehyde level temperature and RH at multiple locations The session begins when you power on the HHAQ 108 it typically ends 15 minutes after you finish making measurements with the activation of the APO function You can extend a measurement session beyond 13 15 minutes by pressing any front panel button in effect resetting the clock to zero or by disabling the APO function and powering the HHAQ 108 through the optional AC adaptor see page 11 to learn how to do this The value of being able to quickly determine where the level of formaldehyde is highest and lowest in an area or facility should be obvious The sequence of five screen shots below illustrates the order in which the two session values and three cumulative formaldehyde exposure metrics are displayed by pressing the MAX MIN button y oe hoe obs r S alie gE 58g gt a R em OE To clear the MAX and MIN session values without powering off the meter press and hold the HOLD button for at least 2 seconds This will flash the text CLr on the lower readout switch
18. the meter to real time measurement mode and reset the Max and Min memories to the values being measured at that moment SPECIFICATIONS Formaldehyde Range Resolution 0 to 5 ppm 0 01 ppm Formaldehyde Accuracy 5 0 03 ppm Formaldehyde Sensor Type Warmup Time Electrochemical 1 to 15 minutes typical Temperature Range 0 to 122 F 0 to 50 C Temperature Accuracy Resolution 1 8 F 1 C 0 19 RH Range 10 to 90 RH 14 RH Accuracy Resolution 5 of reading 0 1 RH Display Type Size Dual readout LCD 2 in 51mm diagonal Auto Power Off Trigger 15 minutes of front panel inactivity can be disabled Operating Temperature 32 to 122 F 0 to 50 C 0 to 95 RH non condensing Dimensions 8 3 x 2 4 x 1 0 in 210 x 60 x 25mm Weight 7 2 oz 2049 including batteries Power Source 4 AAA batteries not included or included 110VAC adaptor Meets U S National Institute for Occupational Safety and Health s NIOSH s acceptance criterion within 25 of true value at 95 confidence level OPERATING amp MAINTENANCE TIPS When the low battery indicator appears in the upper right corner of the LCD install fresh batteries immediately following the instructions on pages 9 and 10 of this manual Be aware that measurements remain valid even though the batteries have grown weak The electrochemical formaldehyde sensor is as power hungry as it is accurate and sensitive OMEGA r
19. ts in place Abrupt temperature changes will cause condensation and possible vapor penetration Clean the LCD after the vapor evaporates Blow off loose particles with compressed air Gently brush remaining debris away with a lens hair brush Never use a solvent or an abrasive cleaner on the FD08 To clean the housing use a soft damp cloth Do not drop or disassemble the meter or immerse it in water There are two error messages you may encounter when using the HHAQ 108 17 Er1 Typically indicates damage to the formaldehyde sensor ambient temperature sensor or RH sensor Er2 Typically displayed for 1 second on the lower readout when the meter tries to measure a temperature or RH value outside the specified measurement range It may also be produced by clearing the Max Min memory 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
20. ver down and away from the meter 2 Install the batteries in series in the compartment observing the polarity markings inside 3 Close the battery compartment by sliding the cover back up on its track until it snaps shut OPERATING INSTRUCTIONS To power on the HHAQ 108 briefly press the PWR button The CD will illuminate and immediately begin scrolling Os across the five positions on the upper readout to indicate that it is warming up During the warmup period the meter will burn off any dust on the formaldehyde sensor inside the vented ball If this is the first use of the meter or if it has not been powered on for a long time the warmup period may last as long as several hours Normally it takes 1 to 15 minutes for the scrolling to stop Once it stops the upper readout will begin counting down from 9999 through 8888 and 7777 all the way to 0000 When the upper readout reaches 0000 if no formaldehyde is present the upper readout will begin reading 0 00 ppm the lower readout will begin alternating displays of ambient temperature and RH and the term HCHO the chemical formula for formaldehyde will appear below the lower readout If you want the meter to calculate and display cumulative formaldehyde levels over a period longer than 15 minutes the meter s Auto Power Off triggering time you must disable the APO function To power on the HHAQ 108 and simultaneously disable the APO function first press and hold t
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