In short
A water leak sensor that raises an alert when water touches its detection cable or spot cradle, suited to plant rooms, under raised floors and near pipework. At least one detection cable or cradle is needed and is ordered separately. Add the MT12, its licence and accessories to your basket and we will quote.
Order the MT12
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Key specifications
| Specification | Detail |
|---|---|
| Connectivity | Bluetooth Low Energy 4.2 (2.4 GHz) via Meraki MR access points or MV cameras as gateways - no separate hub |
| Detection | At least 3 mL of water contacting the cable or cradle |
| Probes | MA-CBL-LEAK-1 cable (2.4 m, up to two chained) or MA-CBL-LEAK-2 spot cradle; at least one required |
| Data | Event driven; wakes every 20 minutes to report |
| Protection | IPX5 |
| Power | 2x AA batteries (up to 5 years) or optional USB-C adapter |
| Dimensions / weight | 117.1 x 65.9 x 26.0 mm; 113 g |
| Warranty | 3 years |
Pick your licence
The licence codes for this product are listed here, ready to add to your basket.
Order codes
| SKU | Description | |
|---|---|---|
| MT12-HW | Meraki MT12 Indoor Water Leak Sensor |
Licences for the MT12
| SKU | Tier | Term | Description | |
|---|---|---|---|---|
| LIC-MT-3Y | Enterprise | 3 years | Meraki MT Enterprise License and Support, 3YR (end-of-sale: last order 10 Nov 2026) | |
| LIC-MT-5Y | Enterprise | 5 years | Meraki MT Enterprise License and Support, 5YR (end-of-sale: last order 10 Nov 2026) | |
| LIC-MT-7Y | Enterprise | 7 years | Meraki MT Enterprise License and Support, 7YR (any MT sensor; last order 10 Nov 2026) | |
| LIC-MT-10Y | Enterprise | 10 years | Meraki MT Enterprise License and Support, 10YR (any MT sensor; last order 10 Nov 2026) | |
| LIC-MT-E | Essentials (subscription) | Meraki MT Essentials subscription licence: hardware-agnostic, covers MT10 to MT40; ordered as a line in a Meraki or Cisco Networking subscription. One LIC-MT-E is included with each LIC-MR-A in a subscription |
We also supply Enterprise licences for the MT12 in 1-year terms. Cisco does not publish every one of these order codes, so we confirm the exact codes in your quote: contact us or add the hardware to your basket and mention the licence term you want.
See every Meraki licence code on our Meraki licence SKU list.
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Accessories
| SKU | Description | |
|---|---|---|
| MA-CBL-LEAK-1 | Meraki MT Water Leak Detection Cable for MT12, 8 ft (2.4 m); up to two can be joined | |
| MA-CBL-LEAK-2 | Meraki Spot Water Leak Detection Adapter for MT12 (Spot Leak Detection Cradle) | |
| MA-PWR-USB-UK | Meraki AC to USB-C power adapter, UK plug (3 m cable) for MT10, MT11, MT12, MT14, MT15 and MT30 | |
| MA-PWR-USB-EU | Meraki AC to USB-C power adapter, EU plug (3 m cable) for MT10, MT11, MT12, MT14, MT15 and MT30 | |
| MA-PWR-USB-US | Meraki AC to USB-C power adapter, US plug (3 m cable) for MT10, MT11, MT12, MT14, MT15 and MT30 | |
| MA-PWR-USB-AU | Meraki AC to USB-C power adapter, Australia plug (3 m cable) for MT10, MT11, MT12, MT14, MT15 and MT30 | |
| MA-PWR-ETH | Meraki USB-C to Ethernet adapter: powers an MT10, MT11, MT12, MT14 or MT30 sensor from a PoE port (power only, no data) |
Datasheet and ordering
Meraki has announced the end of sale for the MT12: the last order date is 2026-11-10. Meraki's stated replacement is No replacement: Cisco's EOL bulletin states 'There is no replacement available for the Cisco Meraki MT Product Line'. Meraki's MT End-of-Sale FAQ suggests Cisco Spaces with its validated third-party sensor ecosystem. Only 1-year MT licences are sold after 10 Nov 2026, until 10 Nov 2030; last ship 8 Feb 2027; support ends 30 Nov 2031..
Full specifications are in the Cisco Meraki MT12 datasheet.
Add the hardware, its licence and any accessories to your basket and send it to us for a quote.
Frequently asked questions
What licence does the Meraki MT12 need?
The MT12 needs a Meraki licence for its product type to run in the dashboard. The licence codes that apply are listed on this page by tier and term; we confirm the right licensing model for your organisation at quote.
How do I get a quote for the Meraki MT12?
Press Add next to the MT12 and anything else you need, then open your basket and send it to us. Forever Systems, a Cisco Partner, replies by email with a quote.
Is the Meraki MT12 still on sale?
Yes, until 2026-11-10: Meraki has announced the end of sale for the MT12, so order before then or ask us about its replacement.
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