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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)

Fig. 2. All possible display 

indications

SETUP INSTRUCTIONS

INSTALL BATTERIES

THE HHAQ-108’s battery compartment (Fig. 1, Callout 4) is

located on the lower back of the meter.

9

Содержание HHAQ-108

Страница 1: ...HHAQ 108 Formaldehyde Meter e mail info omega com For latest product manuals omegamanual info Shop online at omega comSM User sGuide...

Страница 2: ...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 Canada only Customer Service 1 800 622 2378 USA Canada o...

Страница 3: ...FORMALDEHYDE METER USER S MANUAL HHAQ 108 Please read this manual carefully and thoroughly before using this product...

Страница 4: ...e 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...

Страница 5: ...sed materials are key to the manufacture of automobile transmissions electrical systems engine blocks door panels axles and brake shoes Occupational exposure to formaldehyde by inhalation is mainly fr...

Страница 6: ...ealth 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...

Страница 7: ...tudy 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 limi...

Страница 8: ...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...

Страница 9: ...e gas metrics 8 hour TWA time weighted average 1 hour average and 15 minute STEL short term exposure limit One button calibration to 0 ppm in fresh air User adjustable high concentration audible alarm...

Страница 10: ...rol buttons and the meanings of the display icons before moving on to the Setup Instructions and Operating Instructions 1 Formaldehyde gas sensor inside vented ball housing 2 Dual readout LCD 3 Contro...

Страница 11: ...sed 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 o...

Страница 12: ...at 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 f...

Страница 13: ...r 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 r...

Страница 14: ...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...

Страница 15: ...PWR button until the icon appears in the upper left corner of the LCD b To disarm the alarm briefly press the PWR button until the icon disappears c To cancel the alarm when it sounds briefly press th...

Страница 16: ...ve formaldehyde exposure metrics are displayed by pressing the MAX MIN button To clear the MAX and MIN session values without powering off the meter press and hold the HOLD button for at least 2 secon...

Страница 17: ...ight 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...

Страница 18: ...n the LCD shows 0 0C and SET release all four buttons 3 If you prefer to work in F press the UNIT button briefly to change 0 0C to 0 0F 4 If your temperature drift is negative you want to add value to...

Страница 19: ...n 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...

Страница 20: ...r 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...

Страница 21: ...per 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 triac...

Страница 22: ...bine 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 Industri...

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