TESTO 330-1 - Care and Maintenance; Cleaning the Measuring Instrument; Replacing Measuring Cells

I. Care and maintenance
This chapter describes the steps and action required in order to keep the product func-
tioning properly.
See also Regular care , p. 19.
I.1 Cleaning the measuring instrument
If the housing of the instrument is dirty, clean it with a damp cloth. Do not use any
aggressive cleaning agents or solvents! Weak household cleaning agents and soap
water may be used.
I.2 Replacing measuring cells
A slot bridge (0192 1552) must be inserted in slots which do not have a measuring cell.
Used measuring cells must be disposed of as special waste!
The instrument must be switched off.
1
Place the measuring instrument on its front.
2
Remove the service cover: Take hold of it at the markings (arrows) using the index fin-
ger and thumb, press slightly, fold up and remove.
3
Pull hose connections from the fault measuring cell/bridge.
4
Remove the faulty measuring cell/bridge from the slot.
Remove short-circuit brackets/additional boards
from the new measuring cells just prior to insertion.
Do not leave measuring cells for longer than 15
minutes without short-circuit brackets/additional
boards.
CO measuring cell for testo 330-1 / testo 330-1LL:
Remove the shorting jumper
.
CO measuring cell for testo 330-2, -3 / testo 330-2LL:
Remove the shorting jumper .
NO/NO
low
measuring cell:
Remove the auxiliary circuit board
.
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I. Care and maintenance
I.1 Cleaning the measuring instrument
48
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