- 6 -
E-4-2 Duct area setting and flow calculation :
Area setting : On the flow measurement mode, the flow unit (CMM or CFM) will be hinted, the B area’s value on the display
will be changed from temperature value to area value. Press the or to increase or decrease the data, press the to
change the number of digits. The selected digit number will twinkle, it will be stopped after 5 second. Press the , or
will twinkle again.
Flow calculation : On the air flow measurement mode, you can set up the pipe cross section previously or set up it during
measuring. The measured air flow value will be displayed automatically on the A area's.
※Initial area is 00.01 ft2 ,Maximum is 99.99 ft2, Minimum is 00.01 ft2 【Remark】1m2= 0.0929ft2
[Example]
E-5 Hold mode :
On the measurement mode, press the to hold measurement value, will be displayed on the screen.
On this mode, press the or to gain measurement period’s MAX./MIN./AVG. value. (in the B area.)
E-5-1 Leave the hold mode :
Press the to leave the hold mode, and turn back to measurement mode.
[Example]
E-6 Magnification mode : Please refer the“D. Key Description –Magnification Setting”.
When the measurement value is exceeded, the magnification must be set to get the correct value.
On the magnification mode, press the or to adjust the data, press the and simultaneously to set the number of
digits, press the to turn back to measurement mode.
【Remark】Initial magnification value is 100.00% , Maximum is 200.00% , Minimum is 0.01%.
Selected digit number will twinkle.
E-7 Fine-Adjustment / Zeroing : Please refer the“D. Key Description –Fine-Adjustment / Zeroing”.
Please be note that the adjusted data or changed data will not be reset for turn off.
【Remark】On the fine-adjustment and zeroing operating , please use the calibrator or contact your local distributor to avoid
instruments deviation or damage.
