Retrotech DM-2A Manuel d'utilisateur télécharger pdf (Page 36)

Retrotec Energy Innovations, Ltd.

DM-2A Mark II 2008-02-22

Using Time Average

3. The time averaging feature calculates the average pressure over a given time period.

Pressing the tiMe avg keypad button enables you to cycle through the range of

time-averaging intervals: Oﬀ, 1s, 2s, 4s, 8s, 10s, 20s, 1m, and 2m (where s represents

seconds and m represents minutes). The current time average interval is displayed in

the display window below the Time label (as shown next). Press the tiMe avg keypad

button once and notice that the pressure values change according to the current

time average setting.

Using Auto Zero

4. Press the autO ZeRO keypad button once to activate the feature. Your gauge will

periodically produce an audible clicking sound. When autO ZeRO is active,

your gauge’s solenoids will automatically be reset every ten seconds. Your gauge

display indicates the Auto Zero On or Oﬀ state below the Zero label in the upper-right

corner of the screen (as shown next). Press the autO ZeRO keypad button to turn oﬀ

the feature.

DM-2A Mark II Dual-Channel Pressure Gauge User Manual

4: Basic Operations

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Retrotech DM-2A Manuel d'utilisateur Page 36