Casella CEL Sensus data logger unit - Manual (Page 37)

11. POWER SUPPLIES
11.1 Solar Power
The Sensus Logger incorporates a solar
power regulator as standard. This
regulator is designed to operate in
conjunction with a nominal 12 V (30 W)
panel with a short circuit current of no
more than 2 A.
The solar panel should be wired
to the connector identified in Figure 25.
The pin assignments for the
solar panel connector are as follows.
Pin Assignment
1 Solar panel negative terminal,
2 Solar panel positive terminal.
11.2 Battery
The Sensus Logger incorporates a 12 V
lead-acid battery charger as standard.
This charger is designed to operate in
conjunction with a nominal 12 V lead-acid
battery and supplies a maximum charge
current of 0.5 A.
The lead-acid battery should be
wired to the connector identified in
Figure 26.
The pin assignments for the 12
V lead-acid battery connector are as
follows.
Pin Assignment
1 Battery negative terminal,
2 Battery positive terminal.
01081
Pin 1
Pin 2
Figure 25: Solar power connector
Figure 26: Battery connector
01081
Pin 1
Pin 2
Power Supplies SENSUS Digital Data Logger -
Users Handbook
Page 37 of 44