FDT-25 Handheld Ultrasonic Flowmeter 23
by pressing the dot key followed by the backspace key. Take care or make note on the
parameters before doing the restoration
Press-a-key-to-run or to stop totalizer for easier calibration
Operational interface language selection in Chinese and English. This selection makes
it possible that more than 2 billions of people on the world can read the menu.
Flow rate damper for a stable value. The input range is 0 to 999 seconds.
0 means there is no damping. Default value is 10 seconds
Lower flow rate cut-off to avoid invalid accumulation.
Zero point setup under the condition when there is no liquid running inside the pipe.
Clear the zero point set by the user, and restore the zero point set by the manufacturer
Set up a manual flow bias. Generally this value should be 0.
Scale factor for the instrument. The default value is
‘1’.
Keep this value as
‘1’,
when no user calibration has been made.
Network environment Identification Number. Any integer can be entered except 13(0DH,
carriage return), 10 (0AH, line feeding), 42 (2AH), 38, 65535.
Every set of the instrument in a network environment should have a unique IDN. Please
refer to the chapter for communication.
System locker to avoid modification of the parameters
“Option” selection for the built-in logger. It also functions as the switch of logger
Time setup for the data logger
(1)
Data logging direction control. If ‘To RS-232’ is selected, all the data produced by
the data logger will be transmitted out through the RS-232 interface
(2)
If ‘To buffer ‘ is selected, the data will be stored into the built-in logger memory
(3) Buffer transferring and buffer clearing
Logger buffer viewer. It functions as a file editor. Use Dot, backspace UP and DN keys
to browse the buffer.
If the logger is ON, the viewer will automatically refresh once new data are stored
99-year calendar. Press ENT for modification. Use the dot key to skip the digits that
need no adjusting.
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