User Manual

E-M-HyLabC1-V1

Rotronic AG

Bassersdorf, Switzerland

Document code Unit

HygroLab C1 bench-top indicator:

User Guide

Instruction Manual

Document Type

Page

22 of 28

Document title

6 Maintenance

6.1 Periodic calibration check of the HygroClip 2 probe

Both the Pt 100 RTD temperature sensor used in the probe and associated electr on ic s are v ery stable and

should not require any calibration after the initial factory adjustment. Long term stability of the ROTRONIC

Hygromer humidity sensor is typically better than 1 %RH per year. For maximum accuracy, calibration of the

probe should be verified every 6 to 12 months. Applications where the probe is exposed to significant pollution

may require more frequ ent verific atio ns.

6.2 Cleaning or repla cing the probe dust filter

See document E-M-HC2 Probes-V1

6.3 Firmware updates

Firmware updates will be available on the ROTRONIC website for downloading. Firmware files are given a

name that shows both to which device the file applies and the version number of the firmware. All firmware

files have the extension HEX.

WARNING: for reasons of compatibility update the current instrument Firmware only with a Firmware file with

the same “Main” version. Examples: 1.0a  1.5b = OK, 1.3b  2.1 d = NOT OK

Procedure for updating the firmware:

o Connect the HygroLab C1 to a USB port of a PC with the ROTRONIC HW4 software installed. Note

that the ROTRONIC USB driver must be installed on the PC as explained in the HW4 manual E-M-

HW4v3-Main

Note: the Ethernet port can be also used to connect the HygroLab C1 to the HW4 PC.

o Copy the firmware update file from the ROTRONIC website to the PC.

o Start HW4 software on the PC and search for the H y groLab C1 (HW4 Main Menu Bar > Devices and

Groups > Search for USB Masters).

o After finding the HygroLab C1, expand the device tree to its functions. Select Device Manager. In the

Device Manager menu bar select Tools > Firmware Update.

For instructions see document E-M-HW4v3-F2-019