In the Dataloggers Screen, there is a Zero Barometric option to zero a LevelVent 5 or AquaVent 5 vented datalogger to current atmospheric pressure. This will ensure that it is reading 0 in air for the level reading.
Figure 6-28 Zero Barometric – iOS
Figure 6-29 Zero Barometric – Android
On an iOS device, after selecting Zero Barometric and clicking "OK", the current date and time will be displayed as the Datalogger Zero Date in the Dataloggers Settings screen. You can also select Zero Barometric in the Dataloggers Settings screen to zero the datalogger.
On an Android device, after selecting Zero Barometric a message will appear stating "Zero Offset Calibrated" and the current date and time will be displayed as the Zero Offset in the Diagnostic Utility (See Section 11).
Figure 6-30 Datalogger Zero Date – iOS
Figure 31 Zero Offset Date – Android
You can not perform a Datalogger Zero while the datalogger is running.
The Datalogger Zero can be cleared using the Diagnostic Utility. See Section 11.