Safety Read the following safety information carefully before attempting to operate or service the meter. Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired. ◆ Environment conditions: RH≤90%(Non-Condensation) Operating Temperature: -10℃ ~ 60℃ ◆...
3. Specifications 0.3m/s ~ 45.0m/s Air velocity range ± (3% of reading﹢0.2) Air velocity accuracy Temperature range -30℃~60℃/ -22℉~140℉ Temperature accuracy ± 1.5℃(± 2.7℉) 0.001 ~9999 ㎡(0.001~ 9999ft²) Area set Display 4 digits LCD display m/s:0.01、km/h:0.1、ft/min:1、knots:0.1 Resolution mph:0.1、cmm:0.001、cfm:0.001 Sampling time 1time/second Operation Temperature -10℃~60℃/14℉~140℉...
5. LCD Display Description ①Battery Power Indication ②Auto Power OFF icon ③Measuring temperature readings ④Temperature units ⑤Air Velocity Units: m/s,km/h,ft/min, knots (nautical miles per hour), ⑥Air Velocity readings ⑦Air flow & Area units Air flow: CMM (cubic meter per minute), CFM (cubic feet per minute) ×...
6. Operating Instructions (1) Open battery cover and install a 9-volt battery in the battery compartment. (2) Power ON:Turn the meter on by pressing " " button for 1 second until the LCD is lighted, then release the button. (3) Power OFF:Turn the meter off by pressing and holding "...
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(7) MAX/MIN: Press " " button one time until "MAX" icon appears on the LCD to view the current MAX reading; press the button again, "MIN" icon will appear to view the current MIN reading. To exit the MAX/MIN mode, press the " "...
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Set the area units as square meter (fig. as above) If the set area is above 9999 square meter, the actual area =displayed data *100 Set the area units as square feet (fig. as above) If the set area is above 9999 square feet, the actual area =displayed data *100...
7. Notes (1) This meter has already been calibrated before delivery. Do not revise the calibration parameters without professional personnel and device.The recommended calibration period is one year. (2) Repairs or servicing not covered in this manual should only be performed by qualified personnel.
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