Casella CEL Tipping bucket rain gauge - Manual (Page 8)

4.2 Heated Versions
4.2.1 Standard Single Output Heated Version
1. Release the two catches securing the outer cover to the base and
then carefully lift off the cover.
2. Feed a suitable length of 2 A, 4-core cable, through the grommet.
3. Connect the instrument ends of two of the cores to the terminals
connected to the white leads on the block provided on the underside
of the base unit for the output signal.
4. Connect the free ends of these cores to the counting device (see
Figure 4 and Chapter 6).
5. Connect the instrument ends of the other two cores to the terminals
on the block connected to the black and red heater leads.
6. Connect the free ends of these cores to the power transformer in the
hut or enclosure (see Figure 4).
7. Go to Section 4.3.
Preparation
Thermostat
Heating Elements
Reed Switch - Normally Open
Optional Dual Output Switch - Normally Open
6R8
Black
Red
White
White
White
White
6R8
Terminal
Block
00031
2 1
Figure 4: Reed switch and heater connections for standard versions
Page 8 of 16
Tipping Bucket Rain Gauges
User Manual