ECOTEST MKS-UM Operating Manual page 27

1.3.9 Power supply unit, 24V DC with AC cord
Power supply unit is used to charge the storage battery and supply power to
the dosimeter from 100 to 240 V AC mains at 50 to 60 Hz frequency.
Figure 1.9 – Power supply unit 24V DC with AC cord
1.3.10 Vehicle power cable DC
The power cable is used to charge the dosimeter's storage battery and to
supply power to the dosimeter from the vehicle network. Connecting to the network
is done via the vehicle lighter socket. The dosimeter is protected against false
connection with reverse polarity.
Figure 1.10 – Vehicle power cable DC
25