Condec DPDG - Manual (Page 7)

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gauge. By setting a factor of 25, a 40 PSI pressure would display
as 1000 (40 x 25). The engineering unit displayed on the
CONDEC DPDG will be “Cust”.
Normal Operation
Turning the backlight on and off: Press the ENTER button.
Zeroing the display: Press and hold the ZERO button.
MAX/MIN: The CONDEC DPDG stores minimum and maximum
pressure values in memory. Pressing the MAX/MIN button once will
display the minimum pressure from memory. Pressing the MAX/MIN
button again will display the maximum pressure from memory. After
about 2 seconds, the gauge returns to normal (live display) operation.
To clear the MAX/MIN memory registers, press and hold the MAX/MIN
button for 2 or more seconds until “CLr” is displayed.
The analog bar graph at the bottom of the display indicates the applied
pressure level relative to the full range of the gauge. Keep in mind that
if a TARE value has been programmed into the gauge, the displayed
pressure will not reflect the true pressure applied.
Changing the Batteries
WARNING
Explosion hazard
Batteries must only be changed in an area known
to be non-hazardous.
Grasp the face ring on the CONDEC DPDG, turn it approximately ¼
turn counterclockwise and remove. The face of the gauge can now be
lifted to expose the battery holder. Take off the battery hold clip and
remove the batteries. Install three AA batteries noting proper polarity.
Note: Use ONLY AA size batteries and be sure to reinstall the battery
holder retaining clip. Reassemble the case making certain that the face
is properly oriented.
If you purchased the optional 24 Volt powered version, the terminals for
power input are located on the rear of the gauge. To apply power
simply connect 24 volts to the rear terminal block taking care to
observe proper polarity.