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Page 26 Installation and Operation Manual
NOTE
4-20 MILLIAMPERE OUTPUT CALIBRATION (4CAL)
The 801P5 is factory calibrated to generate 4 mA when the
pressure sensor is at 0 psig, and 20 mA when rated pressure is
applied. Tolerances in your signal conditioning equipment may
result in readings varying from these values, so you can calibrate
the 4-20 mA output as follows to correct these readings.
1. Connect a calibrated milliammeter to the 4-20 mA output.
2. Press [MENU], then press the [UP/DOWN ARROW] key
until 4CAL is displayed.
3. Press [SELECT]. The display will show LO-C.
4. While reading the milliammeter, use the [UP/DOWN
ARROW] keys to adjust the output to 4 milliamperes.
5. Press the [STORE] key. The display will read HI-C.
6. Use the [UP/DOWN ARROW] keys to adjust the output to
20 mA, then press the [STORE] key to temporarily save the
calibration data and return to the main menu.
7. Press [RUN] and [SELECT] to save the changes and return
online.
If the 0 or Full Scale output has shifted by 4% of F.S.O. or more
from the factory calibration, EROR will be displayed.