Retrotech DM-2A - Manual (Page 40)

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Retrotec Energy Innovations, Ltd. DM-2A Mark II 2008-02-22
The Set Pressure feature will cannot be used in free-air tests.
13. For example, enter a value of 25 and press the e
nteR
keypad button. The fan speed on
the test device will gradually increase until the pressure value you entered is matched
by the value displayed next to the PrA reading (as shown next).
14. Press and hold the O
n
/O
ff
keypad button to end your test session. The test fan will
gradually slow to a stop.
The larger the enclosure, the more time may be required for the fan to match the pressure
requested using the Set Pressure feature.
By following this practical exploration of the basic operation of your gauge, you’ve learned how
to turn on your gauge, conduct basic speed and pressure tests, take readings, and view the status
of certain gauge features. Once you’ve familiarized yourself with these basic operations, you can
begin to use the gauge to accomplish more complex measurements.
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
4:
Basic Operations