Does the Descent Mk2i Scuba Diving Computer support multi-tank air integration?

You must own the compatible Descent T1 transmitter for each tank to enable this feature. To begin, connect each transmitter to the watch to establish the sonar link.

Descent Mk2i supports multi-tank air integration using Descent T1 transmitters

The Descent Mk2i integrates pressure monitoring for up to 5 tanks, allowing it to display remaining air time and air consumption rates for each source. This capability is essential for technical divers who need to monitor multiple gas sources simultaneously to manage their bottom time safely. We selected the Descent Mk2i for our full review because it offers high-density sensor integration for complex dive profiles. Does this device require a separate sensor for every gas source? It uses the Descent T1 transmitter, which is a pressure transmitter that sends data to the watch without using Bluetooth Low Energy, a wireless protocol for short-range data exchange. The device is not locked to a proprietary ecosystem beyond the T1 transmitter, but it does not support standard pressure sensors from other brands. The 4.7 rating from 305 buyers reflects its reliability in these complex scenarios.

What to Check Before Buying the Descent Mk2i

Before purchasing this watch-style dive computer—a wearable device that tracks depth and time underwater—verify your existing hardware and gas requirements.

If you are planning a long excursion, learn how long the Descent Mk2i stays powered during a full day of snorkeling.

• Confirm you have the Descent T1 transmitter for every tank you intend to monitor.
• Verify that your gas switching requirements do not exceed the 5-tank limit.
• Ensure your dive site allows for the 10-meter range of the shared SubWave data network.
• Check if your current sensors are compatible, as only the T1 transmitter is supported.

Comparing the Descent Mk2i to Other Dive Computers

The Descent Mk2i serves divers who need high-capacity gas management and advanced training features. If you only perform basic recreational dives with a single tank, you might find other options with lower price points more suitable. Buyers who prioritize a wide range of sports apps and music storage over specialized multi-tank sonar data should also consider alternatives. However, for those requiring integrated pressure monitoring for multiple cylinders, this model provides a specific level of integration that simplifies gas management.

Choose the Descent Mk2i if you are a technical diver who requires a reliable way to monitor up to 5 gas sources and need a device that supports advanced training and multi-sport tracking.

Reviewed by the Scuba Forge editorial team. Scuba Forge writes these guides from the 200 most-reviewed scuba diving computer listings in our retail dataset, not from manufacturer copy.