DPG10L | M3367/0606 |
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3.5The alarm set point indicator segment of the bar graph will “blink” when that set point is activated. The hookup of optional outputs is covered later in this manual
4.0Zero Trimming
4.1Should it be necessary to readjust the Zero setting, an adjustment has been provided. Prior to adjusting the zero, verify that you are displaying the “gross” zero reading by performing step 1.3. On the back of the case, in the upper left, there are two cover screws labeled “Z” and “S”. Remove the screw covering the “Z” and utilizing a jewelers screwdriver, turn the small screw to
NOTE: Do not readjust the “S” as this will invalidate the factory calibration.
5.0 Re-calibration
This procedure requires a known pressure source of at least ± 0.1% accuracy in order to fully utilize the potential of the DPG10L (If not available, the gauge may be returned to OMEGA for
5.1With 0 psig applied (port vented) adjust zero per instructions of 4.0.
5.2Apply full scale pressure to the pressure port and adjust the “S” until the display reads the correct pressure.
5.3
5.4Repeat steps 5.2 and 5.3 until no further adjustment is required.
6.0Battery Replacement
6.1To access the battery, the unit must be partially disassembled. Remove the thread ring surrounding the lens by turning counter clockwise. Carefully turn the unit face down with one hand prepared to “catch” the lens and display board as they fall from the housing. Do not allow the display board to fall more than an inch or two as there are wires connecting it to the main housing.
6.2Disconnect the two wire connector that leads from the batteries to the electronic. Then remove the battery or batteries from the holder(s) and replace with the same type that was removed, taking care to observe the correct polarity.