Download Centre

Welcome to the Testo Download Centre. Here you'll find service packs, tools, etc. all free for you to download. You can also use the search bar above to find a whole host of downloadable content.

If for any reason you are unable to find the testo download you require, please contact us on +44 1420 544433 and we'll be happy to help.



NEW - Testo USB driver - V2.8


Data loggers:

ComSoft Basic (for data logger testo 174, 175, 176, 177)  (v5 ServicePack 6.1, 171.693 KB, EXE)



Testo 480 - Software update (firmware version 1.07) 

Testo - EasyClimate


Gas Analysis:

Easyheat Software 32Bit

Easyheat Software 64Bit

Easyheat Manual

EasyEmission Update/Demo - version 2.7 SP4

USB Flash Update - Testo 330

Firmware Download - Testo 330 V.2006

Testo 320B Excel Template and Instructions

Testo Droid (Android App for Testo 330 FGA)


Emissions Analysis:

testo 350 – control unit  (firmware)

Testo 350 - control unit - bootloader update v1.21

Testo 350 - control unit - Firmware update v1.16

testo 350 – analyser box (firmware)

Testo 350 - analyser box - bootloader update v1.21

Testo 350 - analyser box - Firmware update v1.16


In order to carry out a firmware update, please first download the brief instruction. If you are using Windows 7, we recommend that you download the bootloader first.



PC-Software Testo EasyKool - update/demo version 4.0 SP02

Refrigerants Download - Testo 556, Testo 560 and Testo 570*

(* Please note for the above update you must connect your analyser to the software, then you can select your required refrigerants from the list in the EasyCool software. DO NOT ATTEMPT TO EXRACT ZIP FILE, THIS WILL NOT UPDATE AUTOMATICALLY)


Thermal Imaging:

IR Soft - Thermal Imaging software

Testo thermal imager’s firmware (32bit)

Testo thermal imager’s firmware (64bit)


Stationary Measuring Systems:

P2A Configuration software for transmitter

Profibus Driver for testo 6681

PC software acdoor Control - V. 1.4.0