Bluetooth

Name: Radar Tank Sensor / 0 - 180 Ohm / 240 - 30 Ohm / 0 - 5 V output / Bluetooth
Brand: SIMARINE
Price: 79.95 EUR
Availability: InStock
Rating: 4.6 (5 reviews)

SVB item number: 34752 Manufacturer no.: STR1

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2 times in use on a Bavaria 35 Sport

Used on a Dufour 360 Grand Large

Used on a Nimbus 320 Coupé

Used on a Princess V 42

Used on a Saver 750 Cabin

Is in 20 shopping baskets right now, grab yours now!

Has been sold 12 times in the last 7 days

The SIMARINE STR1 radar level sensor delivers highly precise and reliable measurements for plastic tanks. Utilizing advanced radar technology, it ensures accurate readings regardless of tank shape or environmental conditions. With multiple output signals and integrated Bluetooth connectivity, the STR1 offers versatile system integration and continuous, dependable level monitoring. Product details

only €79.95

VAT inc., ex-works

16 | in stock

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Available variants

SIMARINE Radar tank sensor STR2 / NMEA2000 / Bluetooth

only €114.95

VAT inc., ex-works

To product

At a glance!

12 V

Plastic

customers like: Material

customers like: Price / performance ratio

by Alfred W.

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!

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by Matthias K.

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.

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by Martin B.

Easy installation Measuring the black water tank was easy. Accuracy needs to be confirmed with use. Connected to my Cerbo GX – the phone app is very useful. Calibration is extremely simple.

Read all product reviews

Product data

SVB item number 34752
EAN 3830067941704
Manufacturer no. STR1
Description SIMARINE - STR1 radar tank sensor
Tank sensor type Micro radar
For tanks containing Petrol, Diesel, Waste, Fresh water, Grey water
Resistance 0-190 Ohm, 240-33 Ohm
NMEA2000 No
Operating voltage 12 V
Sensor length shortenable No
Ø 62 mm
Height 32 mm
Material Plastic
Accessories for Instruments, Tanks

Product details

With multiple output signals and integrated Bluetooth connectivity, the STR1 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 STR1 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.

For maximum compatibility, the STR1 outputs multiple signals simultaneously:

0–180 Ω resistance
240–30 Ω resistance
0–5 V analogue signal
Bluetooth via the SIMARINE app

With the integrated Bluetooth interface, users can conveniently configure the sensor and access real-time level data via their smartphone.

The STR1 is a versatile, future-proof tank level sensor that seamlessly integrates into SIMARINE systems as well as numerous third-party devices.

Documents

Manual

PDF (1,36 MB)

Product safety

What other SVB customers have to say

100% real reviews

5 customer reviews

4.6 (out of 5 ratings)

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100% recommend SVB

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

by Martin B.

5/24/2026 Variant: 34752 in use on a Dufour Yachts s.a. - Dufour 360 Grand Large

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Easy installation

Measuring the black water tank was easy. Accuracy needs to be confirmed with use. Connected to my Cerbo GX – the phone app is very useful. Calibration is extremely simple.

by Claas L.

5/23/2026 Variant: 35119 in use on a Hallberg-Rassy Varv AB - Monsun 31

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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.

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

Images for this rating

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!