Operating instructions

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7.3 Battery change
Should the <BAT> symbol be displayed constantly, then the battery will
need to be changed within the next 1-2 hours. The unit switches itself
automatically off should the battery voltage be too low.
Open the back of the unit by unscrewing it, remove the exhausted battery
and insert a new one (observe polarity).
- while changing the battery, the cover may not be separated from the unit
top shell.
- Only use approved battery types.
- Make sure that the polarity of the inserted batteries is correct.
- Please ensure that all used batteries are properly disposed of in an
environmentally friendly manner.
- batteries may only be changed outside the Ex-area.
- the taking of additional batteries into the Ex-area is not allowed.
7.4 Temperature probes
7.4.1 Standard probes
Immersion / insertion probe
0628 1232: accuracy: class A
Ex-Zones: 2, 1
probe dimensions: 110mm x 4mm (w x ø)
sensor dimensions: 30mm x 3,2mm (w x ø)
response time (99%): 12 Sec.
Surface probe
0628 1932: accuracy: class B
Ex-Zones: 2, 1
probe dimensions: 110mm x 4mm (w x ø)
sensor dimensions: 3,2mm (ø)
response time (99%): 40 Sec.