GP-HR Pressure
Application Notes

Any combination of the three analogue inputs of the GP-HR Logger can be configured to read Pressure when connected to
the Pressure Probe. No other components are required.

The sensors can be connected directly to:
- Pin 1, Pin 2 and Pin 6 (Pin1 Sensor Supply, Pin 2 Sensor
Output, Pin 6 Common)
- Pin 1, Pin 3 and Pin 6 (Pin1 Sensor Supply, Pin 3 Sensor
Output, Pin 6 Common)
- Pin 1, Pin 4 and Pin 6 (Pin1 Sensor Supply, Pin 4 Sensor
Output, Pin 6 Common)
A Pressure Probe and a Pressure Probe with Temperature
Probe are supplied as standard probe sets for the GP-HR.
Setting up a Pressure channel using
the OmniLog Software
Connect the GP-HR logger to a computer and Run the OmniLog
software
From the Logger
Control Screen select Channel and Probe Setup
Select the Channel that the sensor is connected to
(Ch1,2 or 3)
From the Probe box select the Pressure
option as shown

Notice that after the Pressure probe has been chosen the Units in the Unit and
Scaling box has been set to psi
Now give the Channel a meaningful Long and Short name in the Logger
Channel Name box as shown below

Click on the Write Unit, Scaling and Calibration values to the Logger button to send the new settings to the logger.
Click on the Calibration Notes
button in the Calibration box to see the Pressure Calibration procedure.
