background image

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, 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 (not included)

6

Содержание DAF800

Страница 1: ...METER USER S MANUAL DAF800 Please read this manual carefully and thoroughly before using this product 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Страница 2: ...ou for purchasing General Tools Instruments DAF800 Mini Digital Airflow Meter Please read this user s manual carefully and thoroughly before using the product The DAF800 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 frict...

Страница 3: ... manual A 9V battery to power the unit is not included 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 the 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 ...

Страница 4: ...ING 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 met...

Страница 5: ...st 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 limit on recording duration is remaining battery life To begin recording Max and Min rea...

Страница 6: ...EC 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 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 D...

Страница 7: ...determines it to be defective in material or workmanship The warranty period begins on the date of purchase You are encouraged to register your product online General will extend your warranty an additional 60 days if you register at www generaltools com ProductRegistry This limited warranty does not apply to damages that General determines to be from an attempted repair by non authorized personne...

Страница 8: ...urn Goods Authorization number before forwarding the unit via prepaid freight to the attention of our Service Center at this address Remember to include a copy of your proof of purchase your return address and your phone number and or e mail address Specifications subject to change without notice 2013 GENERAL TOOLS INSTRUMENTS NOTICE WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS MAN DAF800 8 16 ...

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