TESTO 350 - Protecting the Environment

2 Product description
9
2.2.2. Status display
The status display shows the operating status of the meas. box:
Display Status
green / permanent (meas. box
switched on)
Mains operation or rech. batt
operation / rech. batt. fully charged
red / flashing (meas. box
switched on)
• Rech. batt. operation / residual
rech. batt. capacity < 20%
• other device error
green / flashing (meas. box
switched off)
Charge rech. batt.
green / permanent (meas. box
switched off)
Rech. batt. fully charged,
trickle charge
green, red / alternately flashing Update mode active
2.2.3. 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, 47...63Hz
9 DC-voltage input 11…40V DC (option)