word SENSOR on top of the bracket.
CAUTION:
Do not attempt to rotate the instrument using the sensor heads, or you may damage the
sensors; use the mounting rod only.
4. Perform a coarse leveling of the sensor using the sensor bubble level.
5. Tighten the four screws on top of the mounting bracket to properly secure the support arm
so that it does not rotate (
(p. 8)).
CAUTION:
The four screws need to be tightened evenly to ensure that the screwhead is in full contact
with the V-plate.
6. Perform the fine leveling using the three spring-loaded leveling screws.
7. Plug the sensor cable into the connector and route the cable to the instrument enclosure.
8. Use the UV-resistant cable ties included with the tripod or tower to secure the cable to the
vertical pipe or crossarm and tripod/tower.
7.3 Wiring to the data logger
Connect the SN500SS to the data logger in the order shown in
Table 7-1: Wire color, function, and data logger connection
Wire color
Wire function
Data logger connection
White
SDI-12 signal
C, SDI-12, or U configured for SDI-12
1
Clear
Shield
⏚
(analog ground)
Red
Power
12V
Black
Power ground
G
1
U and C terminals are automatically configured by the measurement instruction.
For the CR6 and CR1000X dataloggers, triggering conflicts may occur when a companion ter-
minal is used for a triggering instruction such as
TimerInput()
,
PulseCount()
, or
WaitDigTrig()
. For example, if the SN500SS is connected to C3 on a CR1000X, C4 cannot be
used in the
TimerInput()
,
PulseCount()
, or
WaitDigTrig()
instructions.
SN500SS Net Radiometer
9
