Ultrasonic wireless water level gauge for rainwater tanks and cisterns 

Proteus EcoMeter S is - like its brother, EcoMeter - an ultrasonic liquid level sensor, battery powered and equipped with a digital radio transmitter. This device has been developed especially for water tanks, rainwater and cisterns - but it can also be used for continuous measurement of the fuel tanks content (eg. diesel). The intelligent algorithm responds quickly to level changes in the tank (e.g. during refilling of water or fuel several times per day, or pumping the tank content out).

To ensure maximum battery life, the sensor sends measurement data to the receiving station every 30 minutes. Measurements are also provided in real time, but as soon as the detected change in the level of a tank is ≥ 1 1/5" (3 cm) / min.

Like EcoMeter, EcoMeter S is a modern and precise alternative to mechanical dipsticks and content meters of water tanks, barrels and cisterns with a maximum capacity of 5300Gallons (19.999 liters), offering a measurement range of up to 9 9/10" (3 m). The sensor communicates wirelessly with digital radio station within range up to 500ft (150 m).

Main features of the EcoMeter S and EcoMeter S Plus

• Monitor your tank and consumption conveniently from the comfort of your "living room".
• Ultrasonic level sensor with integrated radio transmitter (non-contact sensor, non-mechanical parts)
• Digital radio transmitter (range up to 500ft)
• Measures tanks up to 5300 Gallons (19.999 Liters), measuring range up to 10ft  (3m)
• Normal mode: Monitor receives and processes data in 30 min intervals
• Fast Mode: Monitor receives measurement data in real time at level change of ≥1 1/5" (3 cm)/min
• Fits standard 2", 1¼" and 1½" threaded openings
• Indication of the liquid level in centimeters
• Indication of the liquid level in liters and percent
• A graphical representation of the tank using a bar graph (sensor and monitor)
• Ambient temperature
• Cold weather warning
• Low level warning
• Battery status alarm
• Free customer service online and by phone

Optional antenna extension (EcoMeter S PLUS)

An additional cable with a length of about 30ft (9 m) between the sensor and wireless module allows you to install the sensor in underground tanks and cisterns, manway opening or hard to access and radio dead areas

(e.g. behind thick walls, heavy lids or shafts/manway openings at depths greater than 8" (20 cm) below ground level).

It also allows for the installation of the sensor in the radio dead areas, thereby extending the effective working range of the monitor. EcoMeter PLUS is thus able to provide a stable connection between the sensor and monitor at depths in excess of 8" (20cm) and in places covered with heavy metal or concrete covers blocking the radio signal.

Please note that the conversion of the Ecometer to the version with an antenna extension cannot be carried out by the customers. In case you wish a conversion, please return the device to us. Our specialists will be happy to do it for you.

Advantages of Proteus EcoMeter S

• Accuracy to 10 times higher than for comparable measurement systems (+/- 8/10" or 10mm)
• Range up to 500ft (150m)
• No wiring, specialized knowledge not needed
• Wireless data transmission, no cable needed
• Measuring range up to 10ft (3m) (maximum ultrasonic signal range)
• Can be used in all standard tanks und cisterns, regardless of its manufacturer or the material tank is built from
• Sensor suitable for outdoor use, resistant to water splashes
• Installation and configuration of the device takes just a few minutes
• Suitable for use with underground cisterns and tanks or inaccessible areas
• Lifetime of a sensor battery is 2-3 years
• Basement tanks, underground tanks, concrete tanks and cisterns, outdoor tanks or battery tanks
• For specialized applications or further assistance, please contact customer service

  Easy 6-Step-Installation 

    Specifications                                                                                                                                  

          Characteristics                                            Transmitter                                                     Display Receiver                                            

Tank Sensor Accessories

Installation Notes 

• To ensure optimum working conditions, make sure that the Proteus EcoMeter sensor has been installed at a suitable distance from tank walls and obstacles inside tank of at least 6" (15 cm) in order to avoid distortion of the ultrasonic signal.
• The maximum measurable volume of the tank is 5300 Gallons (19,999 liters).
• The sensor must be mounted directly on the tank cap or the fuel filler cap and must not be mounted on flange longer than 8/10" (2cm). If possible, remove the nozzle and attach the sensor directly into the threaded opening.
• Please specify the distance between the sensor opening/membrane and bottom of the tank (= height).
• Maximum range is 10ft (3m), the ultrasonic sensor can take readings only within this area.
• Please be aware that heating oil tanks are governed by TÜV, so any modifications (eg. drilling) can be undertaken only by professional staff with relevant license. These objections do not apply to water tanks and cisterns. Please keep all possible implications in mind.
• The optional antenna extension cable (approximately 30ft (9 m) between sensor and transmitter) can be separated (at the user's own risk, the guarantee does not cover modified cable).
• For sensor installed deeper than 8" (20 cm) in the tank or below ground level, the antenna extension (EcoMeter PLUS) must be used.
• Please download the latest version of the manual before Installation Guide (available below).