FTS SDI-RAINE-HYDRO Manuale utente
Features
• Latest weighing technology · overflow proof
• Low Power (LP) version with minimal energy consumption
• High resolution of 0.001 mm (amount) and 0.001 mm/h (intensity)
• Measurement of precipitation · amount and intensity
• Signal outputs:
○2 independently configurable pulse outputs
○SDI-12
• All-metal housing · weatherproof and long durability
• The compact housing reduces the influence of wind
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SDI-RAINE-HYDRO
SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
Table of Contents
1 Scope of Delivery p. 3
2 Order Codes p. 3
3 Safety Instructions and Warranty p. 3
4 Dimensional Drawing and Product Drawing p. 4
5 Introduction p. 5
6 Installation p. 6
6.1 Site Selection p. 6
6.2 Mounting p. 7
6.3 Integrated Collecting System p. 8
6.4 Power and Signal Connection p. 11
6.5 System Start p. 11
6.6 Available In- and Outputs p. 11
6.7 Factory Settings p. 11
7
Connecting Diagram p. 12
Connecting Diagram p. 12
6.8
T
Terminal Assignment p. 12
8 Configuration Software - rain[e] Commander p. 13
9 SDI-12 Interface p. 17
9.1 Total Precipitation p. 24
9.2 Pulse Output p. 24
10 Inspection and Troubleshooting p. 24
11 Maintenance and Repair p. 25
12 Equipment and Spare Parts p. 25
13 Download of Updates p. 26
14 Technical Data p. 27
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
1 Scope of Delivery
•SDI-RAINE-HYDRO sensor
•Collecting vessel
•Operating instructions
•USB-to-mini-USB cable
•Software rain[e]-Commander (download from the FTS Support website (https://support.ftsinc.com)
>Product Documentation>Sensors> SDI-RAINE-HYDRO> Resources. )
Check the delivery for transport damage. Document any damage and contact FTS Customer Service at
1-800-548-4264.
2 Order Codes
SDI-RAINE-HYDRO
The order codes for accessories and spare parts can be found in chapter “Equipment and Spare Parts”.
3 Safety Instructions and Warranty
This system is designed according to the state-of-the-art accepted safety regulations. However, please note the
following rules:
1. Before putting into operation please read all respective manuals!
2. Please observe all internal and state-specific guidelines and/or rules for the prevention of accidents. If
necessary ask your responsible safety representative.
3. Use the system only as described in the manual.
4. Always have the manual at hand at the installation site.
5. Use the system within the specified operating condition. Eliminate influences, which might impair the safety.
6. Prevent the ingress of unwanted liquids into the devices.
7. Funnel heating and drain heating can be very hot if the heating is operated with the housing open. There is
a risk of being burnt! It is therefore recommended that the connector of the heating supply be disconnected
during cleaning and maintenance work.
8. The measuring edge of the upper part of the housing is quite sharp. There is a risk of cuts. It is therefore
recommended that the measuring edge not to be pressed on and/or that gloves are worn!
Please note the loss that unauthorised manipulation of the system shall result in the loss of warranty
and non-liability. Changes to system components require express written permission from FTS. These
activities must be performed by a qualifi ed technician.
The warranty does not cover:
1. Mechanical damage caused by external impacts (e. g. icefall, rockfall, vandalism).
2. Impacts or damage caused by over-voltage or electromagnetic fields which are beyond the standards and
specifications of the device.
3. Damage caused by improper handling, e. g. by using the wrong tools, incorrect installation, incorrect electrical
installation (incorrect polarity) etc.
4. Damage caused by using the device outside the specified operation conditions.
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
4 Dimensional Drawing and Product Drawing
Measuring edge
Protective covering
Fastening screw
Mounting pedestal
Pole/tube
Mounting screws
Connector heating power
Connector sensor
Fig. 1a
Fig. 1b
4
Dimensions in mm
(11'5")
(8.8")
SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
5 Introduction
The SDI-RAINE-HYDRO sensor (referred to as the RAINE-HYDRO in this document) measures precipitation
amount and intensity. It combines the latest weighing technology with a self-emptying collecting vessel,
allowing higher resolution and precision with minimal total volume compared to common tipping bucket
sensors. Additionally, the RAINE-HYDRO is much smaller than common weighing sensors, since there is no
need for a collecting container.
The main sensor is ahighly precise load cell with overload protection. Its temperature co-efficient can be
determined using a temperature sensor in the interior space if necessary. The pulses from the reed contact
generated by tipping the collecting vessel are used for error correction during periods of high intensity
precipitation. Furthermore, the self-emptying system allows weighing without interruption.
The RAINE-HYDRO calculates the following values:
►Amount of precipitation (Pulse)
The RAINE-HYDRO gives the amount of precipitation in real time via the pulse or analogue output with a
maximum resolution of 0.01 mm.
►Intensity within the last minute (SDI-12)
The RAINE-HYDRO measures 6 times per minute and sums these values up in a moving sum. That is,
every time a new value is measured, it is summed to the previous 5 values and thus generates the new
value for the intensity within the last minute.
Fig. 2
USB socket
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
►Intensity since last retrieval (SDI-12)
The difference in the amount of precipitation since the last retrieval is divided by the time since the last
retrieval. If the time is smaller than 30 s, the RAINE-HYDRO will use the “intensity within the last minute”
value.
►Amount since last retrieval (SDI-12)
The difference in the amount of precipitation between the current and the last retrieval.
►Minimum intensity within the last x minutes (SDI-12)
Every minute the value of the intensity within the last minute is compared to the current minimum value. If
the new value is smaller, it replaces the former minimum value.
►Maximum intensity within the last x minutes (SDI-12)
Every minute the value of the intensity within the last minute is compared to the current maximum value. If
the new value is bigger, it replaces the former maximum value.
►Average intensity within the last x minutes (SDI-12)
Counts the amount of precipitation in steps of 0.01 mm for x minutes and divides the result by x minutes.
►Variance (SDI-12)
Variance of measured values over 4 s
The two pulse outputs can be configured to return the amount of precipitation with resolutions between
0.01 and 1 mm and closing times between 10 and 500 ms.
6 Installation
6.1 Site Selection
To minimise the entry of splash water it is recommended that sites with hard ground like concrete are avoided.
Place the precipitation sensor on grass or other soft ground instead. In general the sensor should not be placed
on slopes or roofs. We recommend installation of the precipitation sensor at a distance of at least 2 m from any
obstacle or the obstacle height (above the gauge's orifice), and preferably at a distance of four times the
obstacle height. Vegetation around the site hasto be clipped regularly to the height of the sensor to prevent it
from disturbing the measurement and at the same time reduce wind influence.
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
6.2 Mounting
Necessary tools
►Wrench (13 mm)
►Allen key (6 mm)
►Slotted screwdriver (approx. 2.5 blade width)
• Unpack the device.
•Take the box of the collecting vessel out of the funnel of the RAINE-HYDRO.
•Check the collecting vessel for transport damage and put it back into its box for later installation.
•Place the sensor on a tube or pole with
an outer diameter of 60 mm. Ametallic
extension tube with a minimum length of
100 mm is recommended if a wooden pole
is used. Use a wrench (13 mm) to tighten
the screws in the mounting pedestal evenly.
Do not damage the measuring
edge.
•To improve the operating security in
lightning-prone areas it is suggested that the
sensor should be earthed via the integrated
earthing screw of the RAINE-HYDRO. The
illustration shows the steps of installation of
an earthing connection with a cable clip
and earthing screws onto the sensor. The
other end of the cable should be connected
to a ground nail.
Fig. 3
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
6.3 Integrated Collecting System
Fig. 4
Fig. 5
Inner protection cylinder
Illustrations using the example rain[e]
• Open the device.
◦Unscrew the knurled screw at the bottom.
◦Take hold of the casing and base and turn
the casing
in the “open” direction (anti-
clockwise).
◦Lift the casing with caution. Mind the
heater’s terminal plug.
The measuring edge of the upper
part of the housing is quite sharp.
There is a risk of cuts. It is therefore
recommended that the measuring
edge not be pressed on and/or that
gloves are worn!
• Place the housing aside.
• Lift inner protection cylinder.
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
• Unpack the collecting vessel.
• Insert the collecting vessel.
◦Insert collecting vessel against the
bearing spring with the site of the
magnet facing towards the reed contact
(Fig. 7)
◦Insert the other axis into the other
bearing.
◦Test for flawless tipping.
Fig. 6
Inner workings of the RAINE-HYDRO without
collecting vessel.
Fig. 7
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
Level the device with the assistance of the spirit
level (Fig. 8) by tightening the hexagon head
screws in the base evenly.
Fig. 8
Fig. 9
Fig. 10
• Reassembly
◦Carefully replace the inner protection
cylinder
.
◦
Plug in the heating terminal plug.
◦
Put the casing onto the device –aligning
the embossings with the notches (Fig. 9).
◦
Press down on the housing and turn it
clockwise towards “close”.
◦
Fasten the knurled screw.
◦
Insert the enclosed dirt trap spiral into the
funnel (Fig. 10).
The measuring edge of the upper
part of the housing is quite sharp.
There is a risk of cuts. It is therefore
recommended that on the measuring
edge not be pressed on and/or that
gloves are worn!
• Inserting the dirt trap spiral
Insert the enclosed dirt trap spiral in the fun-
nel. The spiral should be held in such a way
that a complete turn in the anti-clockwise
direction is possible. Push the dirt trap spiral
in circular motion from above into the funnel
opening.
• Removing the dirt trap spiral
Grab the dirt trap spiral in such a way that a
complete turn in the anti-clockwise direction
is possible and pull it in a circular motion
towards the funnel opening.
Einsetzen Entfernen
Insert Remove
In order to protect the collecting vessel
the dirt trap spiral must be inserted into
the collecting funnel.
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SDI-RAINE-HYDRO
USER MANUAL
700-SDI-RAINE-HYDRO Rev1 03 Mar 2021
Part# 21184
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