SWELLPRO SplashDrone 4 WQMS User manual

SplashDrone 4 WQMS
Water Quality Monitor System
User Manual
Visit support.swellpro.com for the latest version of this manual and firmware updates
for your aircraft and accessories.
V1.0 –2022.10

2©2022 SwellPro All Rights Reserved
Thank You
Thank you for purchasing the SwellPro Water Quality Monitor System. We have
designed and manufactured the SwellPro Water Quality Monitor System to the highest
quality standards.
Like any marine equipment, long-life and trouble-free operation rely on proper care and
maintenance. With proper care and maintenance, you should enjoy your aircraft for
many years.
It is essential to familiarize yourself with the features of this unique aircraft by carefully
studying this manual and particularly the priority sections indicated in the Table of
Contents.
Visit www.swellpro.com for the latest manuals, software, and tips. Refer to the Version
Information section at the end of this manual, which details additions and corrections to
this manual.
Using this Manual
This document is designed to be printed or viewed on a computer or mobile device. If
used electronically, you can search directly for terms like “Charging” to find references.
Additionally, you can click on any topic in the Table of Contents to navigate directly to
that topic.
FAQ
The user manual is the best companion while using the product. For the specific problem
using the product, the FAQ can be another great resource for you to look at. Go to the
SwellPro website, look for support >product support > the product > FAQ to find the FAQ
page. support.swellpro.com
Video Tutorials
Visit and subscribe to the SwellPro YouTube channel for tutorial videos and product
information.
Social Media
Join our SwellPro Facebook page to meet other people who share their adventures with
SwellPro. www.facebook.com/SwellPro/
Register Product Warranty
Please register your product as soon as possible to ensure warranty coverage.
Download Dronar App
Get the most from your SplashDrone 4 by flying with the SDFly 2 App. It’s available on
both the App Store and Google Play store. You can also download the App on our
support website: support.swellpro.com.
There are 2 SDFly Apps, SDFly App and SDFly 2 App. Please use the SDFly 2 App.

©2022 SwellPro All Rights Reserved 3
Contents
Thank You 2
Using this Manual 2
FAQ 2
Video Tutorials 2
Social Media 2
Register Product Warranty 2
Download Dronar App 2
Contents 3
⚠Warning 5
Flight Environment Requirement 5
Flight Restrictions 5
Product Overview 6
Package Content 6
Aircraft Diagram 7
Installation 8
Sensor 13
pH Sensor 13
Turbidity Sensor 14
Ammonia Nitrogen Sensor 15
Dissolved Oxygen Sensor 17
Conductivity Senor（Suitable for seawater measurement）20
Instructions 21
SD4 Control 21
Control 21
Cloud System 23
Appendix 32

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Specification 32
Version Information 35

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⚠Warning
⚠If you want to operate the aircraft on a ship or other mobile platform, please do
calibration on land first, as it will not work properly on a mobile platform.
Please read all safety information before using this product.
•Make full preparations before each flight.
•Flying in a NO-FLY ZONE that is regulated by local laws & rules is prohibited.
•Any illegal act like violating the privacy or property of others that is regulated by local
laws & rules is prohibited.
•Flying in a crowd is prohibited.
•Damage or injuries may incurred when the user/s are under the influence of alcohol,
drugs, or medication.
Flight Environment Requirement
•Always choose the open space as an ideal flying environment.
•Flying between or near tall buildings could adversely affect the functioning of the
compass and adversely affect or block GPS and transmission signals.
•During the flight, try to maintain the line of sight with the aircraft, keep away from
obstacles and people.
•Avoid flying near areas with high electromagnetic interference such as power lines or
signal towers to minimize the risk of interfering with the remote controller of the aircraft.
•Fly below 4000 meters above sea level as environmental factors including air density
and wind shear reduce the performance of the aircraft and battery.
•Before flying in low temperatures, warm the battery to ~25℃to maximize flight time.
•Although the Splash aircraft 4 is waterproof, do not fly in fog or strong wind conditions.
(For wind speed exceeding 14 m/s, or above Beaufort Force 6)
Flight Restrictions
According to provisions of the International Civil Aviation Organization and many
national air traffic regulations, drones must be operated in specified airspaces. By
default, the SplashDrone 4 is configured to not exceed an altitude of 120m the Home
Point altitude.
If you need to cancel the height limitation, please set the flight altitude to 0 on the
SDFly 2 App.

6©2022 SwellPro All Rights Reserved
Product Overview
Package Content
SplashDrone 4 Water Quality Monitor
System *1
Remote Controller*1
Intelligent Battery *3
Propellers *2sets
Charger *1
RC Charging Cable *1
Five sensors for pH, dissolved oxygen,
ammonia nitrogen, turbidity and
conductivity
User manual *2

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Aircraft Diagram
1. GPS Module
2. Ammonia Nitrogen Sensor
（replaceable）
3. Water Bottle（replaceable）
4. Turbidity Sensor（replaceable）
5. pH Sensor（replaceable）
6. Water Collector Module
7. Core Components of Water Quality
Monitor System
8. Gimbal Camera

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Installation
1. SIM Card
Notice:
•After inserting the SIM card, check the mobile connection status (please refer to
section Cloud System for detail information, Instruction > Cloud System). If there
is no signal connection, please contact SwellPro Support. support.swellpro.com
•Please insert/remove the SIM card before installing sensors.
2. GPS Module

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Press the button ①and snap it down into the button holder ②.
Notice:
•Do not pull the cable.
3. Sensor

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A1/A2/A3 - Fixing Knob
B1/B2/B3 –Waterproof Port
Fixing Knob
⚫A1 can be installed turbidity sensors

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⚫A2 can be installed ammonia nitrogen, dissolved oxygen and conductivity
sensors (NOT turbidity sensors).
⚫A3 can be installed ammonia nitrogen, dissolved oxygen and conductivity
sensors (NOT turbidity sensors).
Waterproof Port
⚫Install A1 sensor cable into B1 waterproof port.
⚫Install A2 sensor cable into B2 waterproof port.
⚫Install A3 sensor cable into B3 waterproof port.
Take the sensor installation at the A3 as an example:
Install Sensor
1. Insert sensor cable into the port (The point makers need to be aligned)
2. Insert the positioning hole of sensor into the hole of A3, and then tighten the
knob, installation is finished.
（A1/2 is installed in the same way as A3）
⚠pH, ammonia nitrogen, dissolved oxygen, conductivity, turbidity sensors are
installed in the same way. Choose the senor according to your need, and an aircraft
can only install 3 sensors and a water Collector at the same time.
Waterproof Connector

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•To install: Align point markers then insert the connector into the port. Pull the
cable to lock the connector.
•To remove: Push the cable to unlock. Then hold and pull the area showing above
to remove the connector.
4. Water Collector
Water collector is installed at the 550ml mark before leaving the factory. If you need to
adjust or remove it, please refer to the following steps:
①Remove the screw;
②Move the 2 hole of water collector up to the screw hole of aircraft, and then lock it
with screws;
③Install the 350ml water bottle, the installation is done.
5. SD Card

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1. Open the soft rubber seal on the top of the camera,
insert the Mirco SD card in the correct direction, press
the Mirco SD card, the "click" sound indicates that the
installation is in place.
2. After installing the Mirco SD card, plug the rubber
seal back.
⚠Make sure the rubber seal is tightly plugged in to
ensure waterproofing.
◆The camera supports Mirco SD cards with a maximum capacity of 128GB. Since
the camera requires fast reading and writing of high-stream video data, please use
Mirco SD cards with Class 10 or UHS-1 or above to ensure proper functioning. •
◆Do not insert or unplug the Mirco SD card during shooting, as data files may be
damaged or lost.
◆Once you are done recording, stop recording and save the file. If you turn off the
power directly before saving the files, the recording file might be damage.
Sensor
pH Sensor
Use: Measure real-time pH and temperature values of liquids.
1. Parameter
Measuring range
0...14 pH
Accuracy
0.02 pH
Resolution
0.01 pH
Temperature
measurement range
0.0...60℃
Electrode slope
≥96%
zero potential
7.00±0.25
Shell material
PPS, ABS
Thread
Liquid junction
PTFE
Connecting thread
NPT3/4,M39*1.5
Withstand voltage range
0...4bar

14 ©2022 SwellPro All Rights Reserved
Sheet Resistance
＜500MΩ
NO.
H08121615260
Degree of protection
Ip68
output
4...20mA and RS485
2. Sensor Calibration
⚫The sensor has been calibrated before leaving the factory, and the user can use it
directly.
⚫Recommend calibrate the sensor once every month.
⚫Calibration method：Please refer to Multisensor Monitor User Manual.
3. Maintenance and Store
⚫After rinsing the electrodes, only wipe the sensor with a soft cloth, do not rub the
sensitive film.
⚫When storing the electrode, the protective cover containing 3M KCl (3 mmol/l
potassium chloride solution) solution must be connected to ensure that the
electrode bulb is protected.
⚫The white KCI crystal on the electrode will not affect use, just remove the crystals
with distilled water and then blot dry.
⚫Cable connector must be kept clean and dry.
⚫It is forbidden to dry the sensor for too long, and the dry electrode should be
activated in 3M KCl (3 mmol/l potassium chloride solution) solution before it can be
used.
Turbidity Sensor
1. Use: Measure real-time turbidity values of liquids.
2. Parameter
Measuring range
0...4000NTU，
0...4000mg/L
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Temperature
measurement range
0...80.0°C
Shell material
Stainless steel
Precision
+1.0% FS
Voltage
DC12V .
Degree of protection
Ip68
Withstand voltage range
0.. .4bar
Output
4...20mA/ maximum load
7500RS485/MODBUS-RTU
3. Sensor Calibration
⚫The sensor has been calibrated before leaving the factory, and the user can use it
directly.
⚫Recommend calibrate the sensor once every month.
⚫Calibration method：Please refer to Multisensor Monitor User Manual.
4. Maintenance and Store
⚫Sensor need to be activated and calibrated before use after cleaning or long-term
storage.
⚫Cable connector must be kept clean and dry.
⚫When the electrode needs to be stored for a long time, remove the sensor from the
aircraft, disconnect the sensor, put on the protective cover after drying, and store it
in a dry place at room temperature.
⚫Please calibrate the sensor once every month.
Ammonia Nitrogen Sensor
Use: Detect real-time ammonia nitrogen value of liquids to understand and control
ammonia nitrogen emissions to prevent water eutrophication.
1. Parameter
Measuring range
0.1...18000ppm
Temperature
measurement range
0.0...60℃
Electrode slope
56±4mV（25℃）

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Shell material
PC,PBT
Liquid junction
Ceramic Sand Core
Connecting thread
NPT3/4,M39*1.5
Withstand voltage range
0...3bar
Membrane resistance
1...4MΩ
NO
H08121615260
Degree of protection
Ip68
Output
4...20mA and RS485
2. Sensor Activation
⚫The electrode should be activated in deionized water for more than 6 hours before
use.
⚫Sensor stored in a dry environment need to be activated before use.
Tips: use the Multisensor Monitor to activate the sensor the day before your operation.
Connect the sensor to the Multisensor Monitor. Cover the tip of the sensor with pure
water and leave it until the next day, then calibrate it before you use it.
5. Sensor Calibration
⚫The sensor has been calibrated before leaving the factory, and the user can use it
directly.
⚫Recommend calibrate the sensor once every month.
⚫Calibration method：Please refer to Multisensor Monitor User Manual.
3. Maintenance and Storage
⚫After rinsing the electrodes, only wipe the sensor with a soft cloth, do not rub the
sensitive film.
⚫Store the sensor dry. Do not cover the sensor with water for storage.
⚫Cable connector must be kept clean and dry.
⚫Sensor need to be activated and calibrated before use after cleaning or long-term
storage.
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©2022 SwellPro All Rights Reserved 17
Dissolved Oxygen Sensor
Use: Detect the amount of dissolved oxygen in water. This measurement has important
implications in the following ways:
⚫Sewage treatment: Measurement and regulation of oxygen in active sludge ponds
for efficient biodegradation.
⚫Hydrological monitoring：measures oxygen levels in rivers, lakes, oceans,
indicating water quality.
⚫Water treatment：Oxygen measurement can monitor the status of drinking water.
⚫Fish pond：Oxygen levels are measured and regulated to maintain optimal
ecological and growth conditions
1. Parameter
Measuring
range
0.0...20.00mg/L
Temperature
measurement
range
0.0...60.0°C
Sensitivity
+0.05%
Media
velocity
15...30L/h
Shell material
PC+ Stainless steel
Accuracy
2%
Calibration
method
Zero oxygen
calibration、Full
scale calibration
Degree of
protection
Ip68
Withstand
voltage range
0...4bar
Output
4...20mA and RS485
2. Add electrolyte and replace head
⚫The new electrode has its own electrolyte; it is recommended to confirm it before
use.
⚫Replace electrolyte every 30 days.

18 ©2022 SwellPro All Rights Reserved
⚫If the electrode signal is abnormal, the head needs to be replaced, The chlorine
membrane is replaced every 6-12 months, and the steel oxide membrane is
replaced every 18-24 months
⚫The operation steps of replacing the head and adding the electrolyte are shown in
the figure.
Disconnect the power
supply, turn
counterclockwise and
remove the head smoothly,
and that pour residual
electrolyte into waste pool.
Tilt the head and squeeze
electrolyte bottle gently, so
that electrolyte slowly
flows into the head until
the electrolyte is full.
Turn the head clockwise
until the liquid flows out,
and repeat tightening and
loosening 3 times to
completely discharge the
air.
3. Electrode polarization
Polarization method: Connect electrode to transmitter, put the electrode into in
clean water, and start polarization after connecting to power supply.
Electrodes need to be polarized in the following cases:
⚫When the electrode is used for the first time, polarize for more than 6 hours
⚫After replacing head or electrolyte, polarize for more than 6
Power time t1(Min)
Polarization time t2(Min )
1
t1≤5
2*t1
2
5<t1≤15
4*t1
3
15<t1≤30
6*t1
4
t1> 30
360
4. Electrode Calibrated
⚫The electrode has been calibrated before leaving the factory, and the user can use it
directly.
⚫Electrode calibration every 1~2 months.
⚫Calibration method：Please refer to the water quality sensor data display
instrument user guide.
5. Maintenance and Storage
⚫After rinsing the electrodes, only wipe dry with a soft cloth, do not rub the sensitive
film。

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⚫When storing the electrode, a protective cover containing Supplied make-up fluid
must be connected to ensure that the electrode bulb is moistened.
⚫The white kcl crystal on the electrode will not affect use, just remove the crystals
with clean water and then blot dry.
⚫Cable joints must be kept clean and dry.
⚫It is forbidden to dry the electrode for a long time, and the dry electrode should be
activated in clean water before it can be used.
⚫No medium attached to the surface during storage.

20 ©2022 SwellPro All Rights Reserved
Conductivity Senor（Suitable for seawater measurement）
Purpose: Measure the conductivity of various solutions such as ultrapure water,
pure water, drinking water, sewage, etc. or the concentration of ions in the whole water
sample.
1. Parameter
Measuring
range
0...20000μS/cm
Temperature
measurement
range
0.0...60.0°C
Sensitivity
+2%FS
Sensor
resolution
1μS/cm
Shell material
ABS, PPS
Compensation
mode
Manual compensation/
automatic compensation
Signal output
4...20mA, RS485
Withstand
voltage range
0... 4bar
Output load
＜750Ω
Degree of
protection
Ip68
Current
accuracy
1%FS
2. Electrode Calibrated
⚫The electrode has been calibrated before leaving the factory, and the user can use it
directly.
⚫Electrode calibration every 30 days.
⚫Calibration method：Please refer to the water quality sensor data display
instrument user guide.
3. Maintenance and Storage
⚫Conductivity sensors need to be stored in a dry environment
⚫If the sensor is dirty, it will lead to inaccurate measurement. It should be cleaned
and calibrated in time.
⚫Cable joints must be kept clean and dry.