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Chapter 4. FUNCTIONS
■ Operating pressure selection
By means of the operating pressure setting, the MCF can cancel the effects of pres-
sure characteristics by adjusting the output.
■ Reference temperature selection
The reference temperature can be set at 1 °C intervals between 0 to 35 °C. The fac-
tory setting is 0 °C.
■ Low flow cutoff
The low flow cut can be set at 1 % intervals from 1 to 50 % of the full-scale flow
rate. The factory setting is 1 %.
As an example of how the low flow cutoff operates, if it is set at 1 %, the display
shows “0” for flow rates from -1 to 1 % of the full-scale flow rate. This setting
affects the instantaneous flow rate, integrated flow, and analog output.
■ Self-diagnosis function
If there is an abnormal output from the sensor, or a memory error, the MCF’s self-
diagnosis function turns on an alarm. For details on alarms, see Alarm codes and
remedies in chapter 6, Maintenance and Troubleshooting.
■ Data storage
Stored in a nonvolatile memory.
Recording data: Functions setting, parameter setting, integrated value*, instanta-
neous flow rate peak value*
* Integrated value and instantaneous flow rate value are recorded
at every 10 minutes.
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