Bluetooth

Name: STR2 Radar Tank Sensor / NMEA2000 / Bluetooth
Brand: SIMARINE
Price: 114.95 EUR
Availability: PreOrder
Rating: 4.5 (10 reviews)

SVB item number: 35119 Manufacturer no.: STR2

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View Ratings (10) Questions (5)

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Used on a Bavaria 34 and 1 others

Is currently in 13 shopping baskets

Has been sold 8 times in the last 7 days

The SIMARINE STR2 radar level sensor delivers highly precise and reliable measurements for plastic tanks. Thanks to radar technology, an NMEA2000 interface and Bluetooth connectivity, it provides accurate data at all times and can be seamlessly integrated into an NMEA2000 system. Product details

only €114.95

VAT inc., ex-works

Expected to be in stock within 6-8 weeks

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Available variants

SIMARINE Radar Tank Sensor / 0 - 180 Ohm / 240 - 30 Ohm / 0 - 5 V output / Bluetooth

only €79.95

VAT inc., ex-works

To product

At a glance!

NMEA2000

12 V (via NMEA2000)

Plastic

customers like: Material

customers like: Price / performance ratio

by Claas L.

Very satisfied! This fuel level sensor is simply attached to the top of the tank and measures the fill level using radar. The incredibly easy installation is a major plus, as no drilling or installation is required. All that's needed is a connection to the NMEA2000 backbone. The connection cable is approximately 1 meter long. The sensor is calibrated via Bluetooth using a smartphone app. You can either enter the tank height and maximum fill level, or define any number of individual calibration points. This allows you to use even tanks with complex geometries.

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Product data

SVB item number 35119
EAN 3830067941711
Manufacturer no. STR2
Description SIMARINE - Radar tank sensor STR2 NMEA2000
Tank sensor type Micro radar
For tanks containing Petrol, Diesel, Waste, Fresh water, Grey water
NMEA2000 Yes
Operating voltage 12 V (via NMEA2000)
Material Plastic
Ø 62 mm
Height 32 mm
Cable length 1 m
Accessories for Chartplotters, Instruments, Tanks

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Product details

With multiple output signals and integrated Bluetooth connectivity, the STR2 offers versatile system integration and continuous, dependable level monitoring. Developed for use in modern ship systems, it provides reliable values—regardless of tank shape, liquid type, or boat movements. This makes it ideal for fuel, fresh water, gray water, and other onboard tank applications.

With a measurement range from 150 mm to 2000 mm, the STR2 delivers exceptional accuracy and stability—even under demanding conditions where conventional float sensors reach their limits. The contactless radar measurement technology eliminates mechanical wear, ensuring an exceptionally long service life with minimal maintenance requirements. Automatic calibration allows the tank sensor to be ready for immediate use.

To ensure maximum compatibility, the STR2 outputs the measured values in NMEA2000 format, making the data available to any compatible display device on your network. With the integrated Bluetooth interface, users can conveniently configure the sensor and access real-time level data via their smartphone.

The STR2 is a versatile, future-proof fuel level sensor that integrates seamlessly into NMEA2000 networks.

Documents

Manual

PDF (913,86 KB)

Product safety

What other SVB customers have to say

100% real reviews

10 customer reviews

4.5 (out of 10 ratings)

5 Stars

(7)

4 Stars

(2)

3 Stars

(0)

2 Stars

(1)

1 Stars

(0)

Advantages
Material (2)
Price/performance ratio (2)
Mounting/Installation (2)
Configuration (1)
Data quality (1)

Disadvantages
Configuration (1)
Data quality (1)

Customer images (5) from all reviews

by Matthias K.

5/17/2026 Variant: 34752 in use on a Locaboat - Penichette 1106FB

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Good things come to those who wait!

Not only is it the most affordable radar fuel level sensor on the market, it's also by far the easiest to install and configure. I have two other sensors from two different manufacturers installed on my boat, so I think I can make that statement.

by Alfred W.

5/6/2026 Verified purchase Variant: 34752

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Received a great product after a long wait.

When the part was finally available and arrived quickly, unfortunately without an adhesive pad (which wasn't a big problem), I was rewarded with a sensor that is very easy to install and calibrate via the app, even though the tank is quite oddly shaped.

I use the sensor via the app, so I don't need to run any cables! It's powered by the water pump.

Everything's great!

Advantages
Material
Price/performance ratio
Mounting/Installation
Configuration
Data quality

by Gerrit J.

7/24/2026 Verified purchase Variant: 34752

Simple, but it works!

Easy to install, works pretty well

Advantages
Material
Price/performance ratio
Mounting/Installation
Configuration
Data quality

by Gj S.

6/12/2026 Variant: 34752 in use on a Aqua Star Ltd. - Aquastar 27

Simply good

This item was rated via MyBoat on Aqua Star Ltd. - Aquastar 27.

by Antti A.

6/13/2026 Verified purchase Variant: 35119

NMEA2k connection with Simrad is a task

BT connection with android works fine as well as the configuration.

The devices can be detected on NMEA2k, but the installation as tank monitors require same steps over and over. I don't know if the problem is with Simrad NSS or with Simarine, but all other devices in the same network have been very easy to install.

The next day (after power off) the devices cannot be found anymore on the network. The reading on Simrad shows 0% on all of them although they showed correct reading the day before. However on BT Android two of them show 0% and one 100%.

So far I have not been able to trace the problem. Simarine warns about low voltage in NMEA2k network, but specification for NMEA2k is 9-16V. If the sensors cannot work within that range, they are not NMEA2000 compatible.