testo 320 for heating constructors

Order-Nr.  0563 3220 71

Price on Request

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Software / Firmware

  • Download testo 320 firmware  (V1.11, BIN, 13.053 KB) If the firmware update does not start under Windows 8.1 or Windows 10, a new bootloader must be installed on the measuring device once.
    A description and all necessary files can be found under the search term: Update-Kit / Bootloader