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Meraki MT12 Cloud-managed Indoor Water Leak Detection Sensor

Genuine Cisco Meraki Product

Indoor Water Leak Detection Sensor

SKU: MT12-HW
From: £230.84 £210.44 +VAT (£252.53 incl. VAT)

Meraki Sensor License (for MT Sensors)

SKU LIC-MT-VAR

Meraki SensorLicense 1-10Y

For Meraki MT Cloud-Managed Sensors

Experience the Benefits of Cloud Management

Clear

AC - USB-C Power Adapter – optional

SKU MA-PWR-USB-XX

USB-C power adapter for MT10 and MT12 sensors & MV2 camera

Clear

Water Leak Detection Cable for MT12 – optional

SKU MA-CBL-LEAK-1

Extra/Spare/Replacement 8’ water leak detection cable for MT12 Water Leak Detection Sensor

Downloads

Description

The MT12 water leak detection sensor helps protect your critical infrastructure from failed HVAC systems, adverse weather conditions, and leaky pipes that can cause network downtime and equipment failure.

 

Overview

IT infrastructure helps keep businesses running smoothly. From maintaining a comfortable working environment to powering IT operations, such appliances are the backbone of any business.

Protecting this critical equipment from potentially dangerous conditions is key to minimizing business interruptions and downtime. The Cisco Meraki MT12, a water leak detection sensor, can detect the presence of as little as 3 mL of liquid on its 8’ sensor cable, helping ensure safe operating conditions.

Simple sensors.
Powerful Meraki platform.

The Meraki MT12, part of the MT sensor family, cuts the complexity of traditional sensor systems by eliminating the need for separate gateway and management software. MT sensors use existing Meraki MR access points or MV smart cameras in the same network as gateways, automatically connecting and speeding up deployment timeframes. Powered by the Meraki platform, the MT sensors are fully cloud-managed. Real-time visibility through the Meraki cloud dashboard and mobile app, along with flexible alerting options, keep you up-to-date wherever you are.

Once in place, MT12 will continuously monitor your environment. If your HVAC system malfunctions causing leaks, or pipes freeze and burst, MT12 is there. Create customized alerts to notify you of changing conditions so you can take action and prevent network outages, premature equipment failure, downtime, or product loss.

Product Highlights

  • Simple to set up and deploy; scales easily
  • Automatically connects to MR/MV devices in the network
  • Cloud-managed, bringing the magic of the Meraki platform to the IoT sensor world
  • Meraki cloud dashboard eliminates the need for on-premises servers
  • Flexible alerting with email, SMS, and push notifications
  • Wireless connectivity using Bluetooth Low Energy (BLE)
  • Trust Anchor module (TAm) securely authenticates the device and encrypts all communications
  • Five-year battery life with two (2) user-replaceable AA batteries
  • Optional AC-to-USB-C power adapter
  • Advanced telemetry data for smarter decision-making
  • APIs and webhook alerts for third-party alerting and data analysis
  • Vast ecosystem partner community building apps on top of the Meraki platform

 

Additional information

Meraki Sensor License (for MT Sensors)

Licence length

1yr, 3yr, 5yr, 7yr, 10yr, No License Ordered

AC - USB-C Power Adapter

Country for plug

EU, UK

WARNING

We recently discovered a manufacturing error with the MT12 that affects reliability.
 
We will be notifying customers of this issue on December 10, 2021.

 

Detail On The Issue:

All MT12 sensor water leak detection cables were not properly manufactured to specification. As a result, some cables may appear to work correctly, but there is no guarantee that the presence of water will be reported successfully every time. This issue has been present since the launch of MT12 and affects all MT12 units that have been sold.

Recommended Customer Action:
We are recommending that customers stop using the MT12 sensors to detect water immediately. We are investigating our options for resolution and will be updating you and our customers as more details become available.

Resolution Timing:
We are working towards a resolution and will send a follow-up communication to our sales and support teams, partners, and customers as soon as possible.

Orders can still be placed for MT12s. However, the ship date has been set to 9/99/99 to signal an extended lead time. Orders will not be fulfilled until MT12s with new and properly functioning cables are in inventory.

Thank you in advance for your support,
Cisco Meraki Technical Support

In The Box

  • MT12-HW
  • Quick-start & installation guide
  • AA batteries (x2)
  • 8ft (2.4M) Water Leak Detection Cable (MA-CBL-LEAK-1)
  • Mounting equipment:
    • Backplate
    • Mounting magnet
    • 3M tape
    • Mounting screws (x2)
    • Drywall anchors (x2) Cable clips (x8)

MT FAQ

Licensing

How does licensing work?

MT sensors require a dashboard license to operate, however, the licenses are not hardware-SKU specific. 

How does the free licensing work?

Similar to the free MV sense licenses, Meraki provides five free licenses for MT sensors to all new and existing organizations, and these licenses do not expire. Note that these licenses cannot be transferred to another organization in either co-term or PDL model.

Connectivity

How do MT sensors communicate with the Meraki dashboard?

MT sensors uses Bluetooth® Low Energy to communicate with Meraki IoT gateways. Supported IoT gateway devices are second-generation MVs and Wi-Fi 6 MRs. A full list of supported gateways is below.

MV MR
MV2, MV12(W/NE), MV22(X), MV32, MV72(X) Wifi 5 Wave 2 APs – MR33, MR42, MR42E, MR52, MR53, MR53E, MR74 and MR84
Wifi 6 APs – MR36, MR36H, MR44, MR45, MR46, MR46E, MR55, MR56, MR76, MR86 

WARNING: Environmental sensors are only supported with second-generation MV cameras and compatible MR APs.

Do MT sensors support Wi-Fi 5 (802.11ac Wave 2) APs as gateway?

Yes. The MT functionality was ported to support Wi-Fi 5 APs as a gateway. The minimum firmware requirement for MT support on Wi-Fi 5 APs is MR 28.6+. Please refer to the list of compatible gateways for accurate and up-to-date information.

How does the sensor connect to its gateway?

As long as the minimum requirements are met as per the MT Installation Guides and the sensor is within range of the gateway, it will automatically connect to any gateway that picks up the Bluetooth Low Energy advertisement of the sensor.

What happens when MTs can’t communicate with the Meraki dashboard?

MT sensors have onboard storage that will retain approximately the last five days of data. Upon reconnecting to the Meraki dashboard, all data points will be uploaded.

Sampling rate and frequency of connections

In order to conserve battery life, MT sensors are in sleep mode the majority of the time. They wake up at a set regular interval to connect and report  data to the gateway, which in turn uploads it to the Meraki cloud. Below is the sampling rate and connections per device type:

MT10 Data sampling: 2 minutes
Connection interval: 20 minutes
MT11 (w/temperature probes)

Data sampling: 2 minutes
Connection interval: 20 minutes

MT12 Data sampling: event driven
Connection interval: 20 minutes
MT20 Data sampling: event driven
Connection interval: 20 minutes

All sensors will wake up immediately if a configured threshold has been violated or if any event occurs in binary sensors like MT12 or MT20.

Deployment 

What firmware on MV and MR is required for MT to work?

MV MR

2nd Gen MVs – MV 4.8 +

MV2 – MV 4.17+

Wifi 5 APs – MR 28.5.1 +

Wifi 6 APs – MR 27.6 + 

Please refer to Managing Firmware Upgrades to schedule an upgrade.

 

How far can the MTs be placed from the MR/MV gateway?

MT sensors use Bluetooth Low Energy 4.2 to communicate with the gateway. Since Bluetooth Low Energy operates between 2.402 and 2.480 GHz, the range depends on the same principles as 2.4 GHz Wi-Fi. 

How many sensors can be used per gateway?

It is recommended to have a maximum of 32 sensors per gateway to ensure connection quality.

Minimum firmware requirement for a gateway to support 32 sensors:

MR – 28.5+

MV – 4.14+

Any firmware older than above only supports eight sensors per gateway.

Are MTs rated for outdoor use?

No, MT devices are designed for indoor use only. The MT12 is IPX5-rated (can resist a sustained, low-pressure water jet spray) and has a rubber liner to separate the power/battery compartment from being splashed or exposed to water. Still recommended NOT to submerge in water, as the rating states.

What are the supported temperature and humidity ranges for the MT10?

The temperature sensor supports 0°C – 55°C / 32°F – 131°F (accuracy: +/- 0.3°C) while using the included AA batteries. The humidity sensor ranges from 0-95%. That said, it is NOT an outdoor (IP67) or harsh environment-rated product. 

MT11 temperature probes supported range

Below are the specified temperature ranges of the MT11 temperature probes. Note that the operating temperature of the MT11 body is 0°C – 55°C / 32°F – 131°F.

Bare metal probe MA-CBL-TEMP-ME-1)
Range: -40°C – 55°C
Accuracy:
-10°C – 55°C = +/- 0.5°C
-30°C – 55°C = +/- 1°C
-40°C – 55°C = +/- 2°C

Glycol probe (MA-CBL-TEMP-GL-1)
Range: -40°C – 55°C
Accuracy:
-10°C – 55°C = +/- 0.5°C
-30°C – 55°C = +/- 1°C
-40°C – 55°C = +/- 2°C

Can MT10 be used to monitor temperature and humidity inside of a freezer?

The sensors are not IP rated and we do not recommend installing them inside of freezers.

Can the MT11 temperature probes be used to monitor temperature of fluids?

No. MT11 temperature probes are not rated to monitor temperature of any fluids, including water. 

Do the MT10/MT11 temperature sensors need to be calibrated?

No. The MT10 temperature sensor and the MT11 temperature probes use a digital sensor that comes pre-calibrated during the manufacturing process. This means no calibration is required during the product life cycle.

What part of the MT12 is capable of detecting water?

The full length of the cable can detect water as little as 3 mL. The included cable is 8 ft long, and can be extended to 16 ft with an optional second cable attachment.

How are the MT sensors powered?  

All MT products will come with AA batteries(Alkaline) included, and these batteries will last for about five years of powering the unit. That said, if you want a “permanent” powering solution, there will be a USB power adapter available at launch (MA-PWR-USB-XX) that can be used on the MT10 and MT12. The MT20 ONLY supports the battery operation. 

 Five years of battery life is projected based on the included 2.5V Alkaline batteries. Other types of batteries can be used, but the battery life may vary.

Alerting and Monitoring

What kinds of alerting does MT sensors support?

MT sensors support email, SMS, and Webhook alerts out of the box, no Twilio or similar integrations needed. It will also support push updates from the Meraki app. Please refer to the Sensor Alert Profiles article in order to set up alerting.

Do MT sensors support APIs?

Yes. Please visit Help > API docs on the Meraki dashboard for detailed documentation.




  • MT12 Leak Cable Replacement FAQ

    Overview Updated 21/jan/2022

    We recently discovered that all MT12 leak detection cables that have been built were not properly manufactured to specification. As a result, some cables may appear to work correctly, but there is no guarantee that the presence of water will be reported successfully every time. This article covers some of the frequently asked questions for the issue.

    All leak detection cables on all MT12s are impacted, regardless of the firmware version. The 8 ft. water sensing cable, sold as an accessory, and every version of this SKU is also impacted.

    No, we are only aware of a specific issue affecting the leak detection cable on the MT12.

    Customers will receive a replacement cable, free of charge, with instructions on how to complete the replacement. This new cable has been thoroughly tested and will accurately report the presence of water. The replacement cables will begin shipping in March 2022.

    Since we cannot guarantee that the existing cables will accurately report the presence of water every time, we are recommending customers stop using the MT12s immediately. 

    The issue was discovered during internal testing of the cables. 

    We do not have any reason to believe the cables pose any safety risks to customers beyond an inability to detect a water leak.

    There is not a test that can provide accurate results. As a result, we are recommending all customers stop using the MT12 sensors immediately. 

    Orders can still be placed for MT12s. However, orders will not be fulfilled until MT12s with new and properly functioning cables are in inventory. 

    MT12 RMAs will not be fulfilled at this time. Customers can instead request a refund or wait for a working unit.

    We will be sharing instructions for updating your address in another round of communications in February.

    https://cloudcontrolled.uk/wp-content/uploads/2022/03/MT12-Leak-Cable-Replacement-FAQ.pdf

    https://documentation.meraki.com/MT/MT_General_Articles/MT12_Leak_Cable_Replacement_FAQ

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    We can email you a quote same day, but it might take a couple of days to confirm the details. We WILL need the details of the end user of the purchase if that isn't you. We won't contact them, though!

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    Add all the items in your shopping list to the cart and then use the 'Request Quote' button.
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    MT12 Leak Cable Replacement FAQ

    Overview Updated 21/jan/2022

    We recently discovered that all MT12 leak detection cables that have been built were not properly manufactured to specification. As a result, some cables may appear to work correctly, but there is no guarantee that the presence of water will be reported successfully every time. This article covers some of the frequently asked questions for the issue.

    All leak detection cables on all MT12s are impacted, regardless of the firmware version. The 8 ft. water sensing cable, sold as an accessory, and every version of this SKU is also impacted.

    No, we are only aware of a specific issue affecting the leak detection cable on the MT12.

    Customers will receive a replacement cable, free of charge, with instructions on how to complete the replacement. This new cable has been thoroughly tested and will accurately report the presence of water. The replacement cables will begin shipping in March 2022.

    Since we cannot guarantee that the existing cables will accurately report the presence of water every time, we are recommending customers stop using the MT12s immediately. 

    The issue was discovered during internal testing of the cables. 

    We do not have any reason to believe the cables pose any safety risks to customers beyond an inability to detect a water leak.

    There is not a test that can provide accurate results. As a result, we are recommending all customers stop using the MT12 sensors immediately. 

    Orders can still be placed for MT12s. However, orders will not be fulfilled until MT12s with new and properly functioning cables are in inventory. 

    MT12 RMAs will not be fulfilled at this time. Customers can instead request a refund or wait for a working unit.

    We will be sharing instructions for updating your address in another round of communications in February.

    https://cloudcontrolled.uk/wp-content/uploads/2022/03/MT12-Leak-Cable-Replacement-FAQ.pdf

    https://documentation.meraki.com/MT/MT_General_Articles/MT12_Leak_Cable_Replacement_FAQ

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