Dahua ARD912-W2 Bedienungsanleitung
Wireless Water Leak Detector
User’s Manual
ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.0.0
User’s Manual
I
Foreword
General
This manual introduces the installation, functions and operations of the Wireless Water Leak
Detector (hereinafter referred to as the "water leak detector"). Read carefully before using the device,
and keep the manual safe for future reference.
Safety Instructions
The following signal words might appear in the manual.
Signal Words
Meaning
DANGER
Indicates a high potential hazard which, if not avoided, will result in
death or serious injury.
WARNING
Indicates a medium or low potential hazard which, if not avoided,
could result in slight or moderate injury.
CAUTION
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, reductions in performance, or
unpredictable results.
TIPS Provides methods to help you solve a problem or save time.
NOTE Provides additional information as a supplement to the text.
Revision History
Version Revision Content Release Time
V1.0.0 First release. November 2022
Privacy Protection Notice
As the device user or data controller, you might collect the personal data of others such as their face,
fingerprints, and license plate number. You need to be in compliance with your local privacy
protection laws and regulations to protect the legitimate rights and interests of other people by
implementing measures which include but are not limited: Providing clear and visible identification
to inform people of the existence of the surveillance area and provide required contact information.
About the Manual
●The manual is for reference only. Slight differences might be found between the manual and the
product.
●We are not liable for losses incurred due to operating the product in ways that are not in
compliance with the manual.
●The manual will be updated according to the latest laws and regulations of related jurisdictions.
For detailed information, see the paper user’s manual, use our CD-ROM, scan the QR code or visit
our official website. The manual is for reference only. Slight differences might be found between
User’s Manual
II
the electronic version and the paper version.
●All designs and software are subject to change without prior written notice. Product updates
might result in some differences appearing between the actual product and the manual. Please
contact customer service for the latest program and supplementary documentation.
●There might be errors in the print or deviations in the description of the functions, operations
and technical data. If there is any doubt or dispute, we reserve the right of final explanation.
●Upgrade the reader software or try other mainstream reader software if the manual (in PDF
format) cannot be opened.
●All trademarks, registered trademarks and company names in the manual are properties of their
respective owners.
●Please visit our website, contact the supplier or customer service if any problems occur while
using the device.
●If there is any uncertainty or controversy, we reserve the right of final explanation.
User’s Manual
III
Important Safeguards and Warnings
This section introduces content covering the proper handling of the water leak detector, hazard
protection, and protection of property damage. Read carefully before using the water leak detector,
and comply with the guidelines when using it.
Operation Requirements
●Make sure that the power supply of the water leak detector works properly before use.
●Do not pull out the power cable of the water leak detector while it is powered on.
●Only use the water leak detector within the rated power range.
●Transport, use and store the device under allowed humidity and temperature conditions.
●Prevent liquids from splashing or dripping on the device. Make sure that there are no objects
filled with liquid on top of the water leak detector to avoid liquids flowing into it.
●Do not disassemble the water leak detector.
Installation Requirements
●Connect the water leak detector to the adapter before power on.
●Strictly abide by local electrical safety standards, and make sure that the voltage in the area is
steady and conforms to the power requirements of the water leak detector.
●Do not connect the water leak detector to more than one power supply. Otherwise, the might
become damaged.
●Observe all safety procedures and wear required protective equipment provided for your use
while working at heights.
●Do not expose the water leak detector to direct sunlight or heat sources.
●Do not install the water leak detector in humid, dusty or smoky places.
●Install the water leak detector in a well-ventilated place, and do not block the ventilator of the
device.
●Use the power adapter or case power supply provided by the device manufacturer.
●The power supply must conform to the requirements of ES1 in IEC 62368-1 standard and be no
higher than PS2. Note that the power supply requirements are subject to the device label.
●Connect class I electrical appliances to a power socket with protective earthing.
User’s Manual
IV
Table of Contents
Foreword ........................................................................................................................................................................................................I
Important Safeguards and Warnings............................................................................................................................................ III
1 Introduction ............................................................................................................................................................................................ 1
1.1 Overview........................................................................................................................................................................................ 1
1.2 Technical Specifications......................................................................................................................................................... 1
2 Checklist.................................................................................................................................................................................................... 3
3 Appearance ............................................................................................................................................................................................. 4
4 Adding the Wireless Water Leak Detector to the Hub ....................................................................................................... 5
5 Installation............................................................................................................................................................................................... 6
5.1 All-in-one Installation.............................................................................................................................................................. 6
5.2 Split Mount with Screw........................................................................................................................................................... 7
5.3 Split Mount with Adhesive Tape........................................................................................................................................ 8
6 Configuration .......................................................................................................................................................................................11
6.1 Viewing Status ..........................................................................................................................................................................11
6.2 Configuring the Water Leak Detector ...........................................................................................................................11
Appendix 1 Cybersecurity Recommendations........................................................................................................................13
User’s Manual
1
1 Introduction
1.1 Overview
Wireless Water Leak Detector can be used to detect water leaks in indoor pipes, baths, sinks, washing
machines, and dishwashers. It triggers alarms and provides timely notifications to keep you up to
date on ongoing events. It is easy to install and does not require wiring. It also provides
communication security, supporting the use of wireless communication with encryption technology.
1.2 Technical Specifications
This section contains technical specifications of the water leak detector. Please refer to the ones that
correspond with your model.
Table 1-1 Technical specification
Type Parameter Description
Function
Indicator Light 1 for multiple statuses (pairing, power status, and alarm)
Button Power button
Remote Update Cloud update
Low Battery
Alarm Yes
Tamper No
Technical
Sensor Water leak detector
Sensitivity Adjustable
Operating
Current 28.5 uA
Alarm Current 5.8 mA
Wireless
Carrier
Frequency
DHI-ARD912-W2 (868),
DHI-ARD912-W2 (868D):
868.0 MHz–868.6 MHz
DHI-ARD912-W2, DHI-ARD912-
W2 (D):
433.1 MHz–434.6 MHz
Communication
Distance
DHI-ARD912-W2 (868),
DHI-ARD912-W2 (868D):
Up to 1,200 m (3937.01
ft) in an open space
DHI-ARD912-W2 (868), DHI-
ARD912-W2 (868D):
Up to 800 m (2624.67 ft) in an
open space
Transmit Power
DHI-ARD912-W2 (868),
DHI-ARD912-W2 (868D):
Limit 25 mW
DHI-ARD912-W2 (868), DHI-
ARD912-W2 (868D):
Limit 15.8 mW
Communication
Mechanism Two-way
Encryption
Mode AES128
User’s Manual
2
Type Parameter Description
Frequency
Hopping Yes
General
Power Supply CR123A× 1
Battery Life 3 years when triggered once a day.
Power
Consumption Max 144 mW
Operating
Temperature –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Storage
Temperature –10 °C to +55 °C (+14 °F to +131 °F)
Operating
Humidity 10%–90% (RH)
Storage
Humidity 10%–90% (RH)
Product
Dimensions 84.7 mm× 84.7 mm× 32.5 mm (3.33" × 3.33" × 1.28")
Packaging
Dimensions 135.0 mm× 98.0 mm× 56.0 mm (5.32" × 3.86" × 2.20")
Net Weight 0.1 kg (0.22 lb)
Gross Weight 0.2 kg (0.44 lb)
Casing PC + ABS
Protection IPX5
Certifications
DHI-ARD912-W2 (868),
DHI-ARD912-W2 (868D):
CE
DHI-ARD912-W2, DHI-ARD912-
W2 (D):
CE, FCC
User’s Manual
3
2 Checklist
Figure 2-1 Checklist
Table 2-1 Checklist
No. Item Name Quantity No. Item Name Quantity
1 Water leak detector 1 4 Double-sided
adhesive tape 1
2 Screw package 1 5 Legal and regulatory
information 1
3 QR code 1 6 Quick start guide 1
User’s Manual
4
3 Appearance
Figure 1-1 Appearance
Table 1-1 Structure
No. Name Description
1 Indicator
●Press and hold the button for 2 seconds, and then the
device is powered on, and the system enters pairing
mode.
◇Solid on for 2 seconds: Pairing successful.
◇Slowly flashes for 3 times: Pairing failed.
●Flashes green quickly for 100 seconds, and then off:
Sensitivity mode.
●Solid on for 0.4 seconds: An alarm event was triggered.
2 Negative probe ●When the water reaches the terminal of the probe, the
indicator flashes green for 0.4 seconds.
●You can adjust the height of the positive probe. Turn the
positive prove clockwise, and the detection sensitivity of
the probe will increase. Turn it anticlockwise to decrease
the sensitivity.
3 Positive probe
4 Power button Turn on or off the device.
User’s Manual
5
4 Adding the Wireless Water Leak Detector to the
Hub
Before you connect water leak detector to the hub, install the DMSS app to your phone. This manual
uses iOS as an example.
●Make sure that the version of the DMSS app is 1.99.300 or later, and the hub is V1.001.0000004.0
or later.
●Make sure that you have already created an account, and added the hub to DMSS.
●Make sure that the hub has a stable internet connection.
●Make sure that the hub is disarmed.
Step 1 Go to the hub screen, and then tap Peripheral to add the water leak detector.
Step 2 Tap +to scan the QR code at the bottom of the water leak detector, and then tap Next.
Step 3 Tap Next after the water leak detector has been found.
Step 4 Follow the on-screen instructions and switch the water leak detector to on, and then tap
Next.
Step 5 Wait for the pairing.
Step 6 Customize the name of the water leak detector, and select the area, and then tap
Completed.
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