24
FDT-25 Handheld Ultrasonic Flowmeter
M61
Display Version information and Electronic Serial Number (ESN) that are unique for
each series flow meter.
The users can employ the ESN for instrumentation management
M62
RS-232 setup. Baud rate can be 75 to 115200 bps
M63
Not used
M64
Not used
M65
Not used
M66
Not used
M67
Input the frequency range for the frequency output. The biggest range is 0Hz-9999Hz.
Default value is 1-1001 Hz
M68
Enter a flow rate value that corresponds to lower frequency
M69
Enter a flow Rate value that corresponds to higher frequency
M70
LCD display backlight control. The entered value indicates how many seconds the
backlight will be on with every key pressing.
M71
LCD contrast control. The LCD will become darker when a small value is entered.
M72
Working timer. It can be cleared by pressing ENT key, and then select YES.
M73
Enter Lower Flow Rate value that will trigger the #1 Alarm. There are two virtual alarms
in the system. By “virtual” we mean that the user must redirect the output of the alarms
by setuping the output hardware in M78 and M77
M74
Enter the higher flow rate value that will trigger the #1 Alarm.
M75
Enter the lower flow rate value that will trigger the #2 Alarm.
M76
Enter the higher flow rate value that will trigger the #2 Alarm.
M77
Buzzer setup.
If a proper input source is selected, the buzzer will beep when the trigger event occurs
M78
OCT (Open Collect Transistor Output) setup
By selecting a proper input source, the OCT hardware will close when the trigger event
occurs
M79
Not used
M80
Work as a keypad and display for another Handheld set by RS-232 connected with the
handset
M81
Not used
M82
Date totalizer
M83
Not used
M84
Not used
M85
Not used
M86
Not used
