TDS-100H Handhold Ultrasonic Flowmeter Ver.8.08 - 24 -
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 handhold 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
M87 Not
used
M88 Not
used
M89 Not
used
M90
Display signal strength, signal quality, time ratio on the upper right corner.
M91
Displays the Time Ratio between the Measured Total Transit Time and the Calculated
time. If the pipe parameters are entered correctly and the transducers are properly
installed, the ratio value should be in the range of 100
±
3%. Otherwise the entered
parameters and the transducer installation should be checked.
M92
Displays the estimated fluid sound velocity. If this value has an obvious difference
