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PTFM 1.0 Portable Transit Time Flow Meter
SIMULATION
Exercises the 4-20mA.
Test Select Maximum and press to simulate maximum Flow or Velocity and
to output 20mA to the analog channel.
Select Minimum and press to simulate minimum Flow or Velocity and
to output 4mA to the analog channel.
To simulate measurements between minimum and maximum set Test to
Actual and then enter for the flow measurement. The analog output will
respond to the simulated value.
SLEEP MODE
Logging in sleep mode requires a minimum sample time of 30 seconds. Selecting
sleep mode for 10 second sampling rate results in instrument always being
‘awake’.
BACKLIGHT
Three levels of backlight are selectable to conserve power.
CHARGING
A flashing battery indicates charging.
A solid battery indicates fully charged.
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