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www.farnell.com
www.newark.com
www.cpc.co.uk
TM
TM
Page <4>
V1.0
12/04/18
2-3. Range of Air Velocity
2-4. Rang of Air Flow
CFM(ft
3
/min) =Air Velocity(ft/min)×Area(ft
2
)
CMM(m
3
/min)=Air Velocity(m/s)×Area(m
2
)×60
CFM: cubic feet per minute
CMM: cubic meters per minute
2-5. Range of Temperature
3. Button
1. Press to turn the thermometer on or off.
2. Press
“MAN/MIX”
to step through the maximum, minimum, and average readings. To exit the MAN/MIX/AVG mode,
press the
“MAN/MIX”
button for 2 seconds to return to normal operation.
3. Press
“P/V/F”
to show the air velocity, press
“P/V/F”
secondly to show the high and length of a rectangular or the
diameter circular duct, press
“P/V/F”
thirdly to show the air flow, press
“P/V/F”
to show differential pressure again.
4. Press
“Hold/Zero”
to freeze or unfreeze the displayed readings. Press
“Hold/Zero”
button and hold 2 seconds to
zero out the display.
5. Press
“Save/Clear”
button to store sample data. Or press
“Save/Clear”
button to clear sample data in Recall mode.
6. Press
“Setup
”
button to turn on the backlight. Press it again to turn off the backlight. Press
“Setup
”
button for
3 seconds to start or exit Setup. (See “Changing Setup Options.”)
7. Press
“Unit ”
to changes the temperature units. In Setup mode, press
“Unit ”
to scroll to the Setup option you want
to change or press
“Unit ”
to increase the displayed setting. In Recall mode, press
“Unit ”
to select the desired
sample number.
8. Press
“Unit ”
to Changes secondly showing number units. In Setup mode, press
“Unit ”
to scroll to the Setup
option you want to change or press
“Unit ”
to increase the displayed setting. In Recall mode, press
“Unit ”
to select
the desired sample number.
9. Press
“Avg/Rec”
button and hold 2 seconds to enter Recall mode. In Recall mode, press
“Avg/Rec”
to calculate the
sample data. In Setup mode, press
“Avg/Rec”
button to enter a Setup option. Press
“Avg/Rec”
again to store the
displayed setting in memory.
Range
Resolution
Accuracy
°C
0°C to 50°C
0.1
±1°C
°F
32°F to 122°F
0.1
±2°F
Air Flow
Range
Resolution
CFM
0-99.999ft
3
/min
0.0001 to 100
CMM
0-99.999m
3
/min
0.001 to 100
Air Velocity
Range
Resolution
Accuracy
m/s(meter per second)
1-80
0.01
±2.5% of reading
at 10 m/s
ft/min(feet per minute)
200-15733
1
Accuracy is function
0.1 of velocity and
duct 0.01 size
km/h(kilometers per hour)
3.6-288
0.1
MPH(miles per hour)
2.24-178.66
0.01
Knots(nautical miles per hour)
2-154.6
0.1