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LENS
SHADE
NOTCHES IN RING
MATE WITH
RIBS IN LENS
O-RING
STRETCH BEFORE
INSTALLING
!
MOUNTING ARM
CUT OFF FOR
CONDUIT-MOUNT
EXPLODED VIEW
.38
9.53
.75
19.05
.41
.75
10.40
19.16
DIMENSIONAL VIEW
LED ON BOARD
ON when OUT
is active
PRINTED-CIRCUIT
BOARD (PCB)
HOUSING
SCREWS
(4 OF #6 X 1")
2.78
70.71
.25
6.40
4.73
120.23
MODEL RG-11
OPTICAL RAIN GAUGE
INSTALLING THE RAIN SENSOR
1. Determine the Mode / Set DIP switches
You must set the DIP switches so that the RG-11
behaves the right way for your application. The pages
that follow describe each of the possible modes, and
how to set the DIP switches.
2. Mount the Rain Gauge
Mount the rain Gauge where it gets a clear
measurement of precipitation– away from overhangs,
etc.
The mounting arm is designed to fit over a strap 0.75"
(19 mm) wide. Two 0.25" (holes 6.35 mm) are placed
0.75" (19 mm) part.
The gland style connector goes in the bottom hole. Be
sure to use wire rated for outdoor (high-UV) use.
For conduit applications, the mounting arm may be
removed, and the wiring hole drilled out using a step drill
to accommodate a ½" EMT compression connector or
similar style of conduit connector.
3. Assemble the Rain Gauge as shown.
The silicone O-ring fits nicely in the lens groove, but it
can fall or slip out during assembly. After the unit is
assembled, verify that the O-ring is properly seated by
confirming that you can see it through the lens, all the
way around.
The Rain Gauge must be assembled when dry. Any
water trapped inside can condense and cause corrosion.
You may optionally add extra desiccant packets (not
supplied). If the Rain Gauge is not subject to splashing
or sprayed water, you may optionally vent the enclosure
Do not use the RG-11 in any application where the false
indication of water or a missed valid detection of water
could cause damage to life or property. It is the
2.17
responsibility of the system designer / integrator to
55.20
design redundancy into the system so that the failure of
any one component, including the RG-11 or other
sensor, does not result in disaster. The manufacturer of
the RG-11, Hydreon Corporation, will in no way be
liable for consequential damages due to the failure or
false indication of one of its sensors.
!
- APPLICATION WARNING -
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Summary of Contents for Hydreon RG-11
- Page 1 2.78 70.71 6.40 - APPLICATION WARNING - Do not use the RG-11 in any application where the false 9.53 indication of water or a missed valid detection of water 19.05 could cause damage to life or property. It is the 2.17...
- Page 2 EQUIVALENT SCHEMATIC DIP SWITCH RAIN GAUGE WIRING EXAMPLES LINE VOLTAGE CONTROL “IT’S RAINING” APPLICATION - The relay output of the RG-11 is rated for 24V AC or DC, at 1 A. Thus, 120 VAC the RG-11 cannot drive a line voltage...
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Page 3: Specifications
The LED in the center of the circuit board turns on when OUT is on, as an aid to debugging. Condensation Generally, the RG-11 will sense condensation as if it were rainfall, but this seldom amounts to a significant accumulation of water. The built-in low power heater (DIP SW 8 off) will tend to reduce condensation. - Page 4 Accuracy Each of the sensitivity levels (set by switches 1 and 2) provides We do not claim an accuracy spec for the RG-11. For more different trip and release points. There is much hysteresis built in, but information see the “Tipping Bucket” link on www.rainsensors.com.
- Page 5 Mount the RG-11 so that it generally gets the same rainfall as the surface to be wiped. Usually, this means about a 45 degree angle. The RG-11 does not need to be within the actual field of view of the window. Adjust the sensitivity control DIP switches (3, 2, and 1) to set the system to wipe more or less, depending on the needs of the installation.
- Page 6 1 0 1 Water a lot less 0 X X X Inhibit irrigation during a storm The RG-11 may also provide drop detection. Use this if you want to Allow irrigation during a storm do your own, external data interpretation. The output will pulse once with each detected drop.
- Page 7 Clean Time After the rainstorm is over and the relay of the RG-11 is once again Apply engineering judgment: Hydreon does not claim the RG-11 is a open, it will take some time for the collecting surface to become dirty perfect rain sensor.