8 Tips and assistance
72
Other accessories
Description Article no.
Mains unit incl. micro USB cable 0554 1105
Spare rechargeable battery 0515 0046
Readout adapter for automatic furnaces 0554 1206
Connecting cable instrument / PC 0449 0047
Easyheat (PC configuration software) 0554 3332
Draught set 0554 3150
External micro pressure probe 0638 0330
Set of capillary hoses 0554 1215
Adhesive kits (x50) for printouts, paper barcode
labels etc.
0554 0116
Straight Pitot tube 0635 2050
ISO Calibration Certificate Flue Gas 0520 0003
For a complete list of all accessories and spare parts, please refer
to the product catalogues and brochures or look up our website
www.testo.com
8.3. Updating the instrument software
Under www.testo.com/download-center you can download the
current instrument software (Firmware) for testo 320 (registration
required).
> Unplug the micro USB cable and switch off the testo 320.
1. Hold down [▲].
2. Reconnect the micro USB mains cable to the testo 320,
continue holding down [▲].
- The display shows Firmware update along the bottom edge.
3. Release [▲].
- Your PC recognises the testo 320 as a removable medium.
4. Copy the new file (ap320rel.bin) to the detected removable
medium.
- On the display the status bar progresses from left to right. This
process may take a few minutes.
- Once the instrument software (firmware) has been updated, the
system will automatically reboot and is ready for use.
5. Disconnect the connecting cable from the testo 320.
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