TESTO 350 - Connections;Interfaces

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4.2.3. Connections / interfaces
1 Data bus termination slide switch
2 Sensor for combustion air temperature
3 Flue gas probe
4 Sensor input
5 USB 2.0
6 Trigger input
7 Dilution gas inlet for measurement range extension
8 Mains connection 100...240V AC, 50-60Hz
9 DC-voltage input 11…40V DC (option)
10 Covering cap gas channel access (only for servicing purposes)
Plugged in covering cap: Position (
) must
not be changed!
11 Pressure ports p+ and p-
12 Testo Data bus
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