Omega FDT-25 User Manual page 28

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