Prior to use, verify the product arrived in good condition.
Manual
Click HERE to download the Dualex Manual.
Firmware Update
Dualex update is described in the section 2.3.2.1 and 2.3.2.2 of the manual.
NOTE: 1) Upgrading from version 3.x.x or older: A factory recalibration is strictly required. Please, send your Dualex device to Pessl Instruments for the firmware upgrade. DO NOT ATTEMPT TO PERFORM THIS UPGRADE YOURSELF. 2) Upgrading from version 4.0.0 or newer: The firmware upgrade to version 4.1.0 can be performed directly at your location. While factory calibration is not mandatory, we recommend it for optimal precision.
FIRMWARE: Click HERE to download the latest Dualex firmware. Firmware for other METOS products can be found at Latest Firmware (FW) all Stations & Softwares