Hach-Lange REFO 3_REFO 3D - Manual (Page 7)

Operating Instructions REFO 3 / REFO 3-D
6
Meas./On-key
Figure 2: REFO side view
B2 Initial Start-Up
B2.1 Charging the batteries
The electrical power supply is provided by four Ni-Cd batteries, type LR6 AA Mignon.
They are located in the battery compartment at the rear of the instrument.
In order to charge the batteries
•
plug the charger plug into the mains/charging socket
•
connect the charger to the socket-outlet
The batteries are loaded automatically within 14 hours. You can continue measuring
during the charging procedure (but the charging period will be longer).