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DUT-E S7

Wireless fuel level sensor

DUT-E S7 wireless sensor allows measuring current fuel volume and its changes in a fuel tank. DUT-E S7 is used as a part of vehicle telematics system (GPS vehicle tracking system) and provides reliable information on remaining fuel volume, fuel tank fill-up and draining volumes and helps fleets to set up clear fuel accounting and prevent fuel theft from vehicle’s tank. DUT-E S7 wireless fuel level sensor is also used for fuel level monitoring in stationary tanks.

Wireless data transfer is carried out using S7 Technology via BLE channel. BLE signal from DUT-E S7 can be received by compatible vehicle tracking unit (telematics unit) and/or any Android or iOS device.

DUT-E S7 can also be used as a “night watchman” to alert driver on fuel theft from vehicle’s tank, for example, when resting at night parking.

Description
Estimated lifetime of the sensor (battery life), years 5…10*
Fuel level sensor operating principle Capacitive
Wireless data transfer interface Bluetooth 4.X
Tx Power, dBm +4
Rx sensitivity, dBm -88
Maximum distance between sensor and receiver, m 10…20
(when mounted on a vehicle or inside a building)
not less 50
(when mounted within line-of-sight)
Standard probe length, mm 700, 1000 (can be manufactured up to 3000 mm on request)
Data transfer interval, s  5
Number of simultaneous BLE-signal receivers Any number in DUT-E S7 operation range
Temperature range, °C -30…+80

*Depending on ambient temperature.

  • wireless data transfer using S7 Technology via BLE (Bluetooth 4.X Low Energy);
  • operation in BLE-radio mode without pairing with receiver – simultaneous data transfer to telematics unit, smartphones, tablets with Bluetooth
  • built-in battery – DUT-E S7 works without external power supply;
  • very low power consumption allows autonomous operation of sensor within 5…10 years;
  • explosion protection confirmed by “On the Safety of Equipment for Operation in Explosive Environment”

Explosion- and fire-safety of sensor.

Quick installation of sensor and telematics unit.

Increased resistance to vandalism.

DUT-E S7 has all the advantages of “classical” DUT-E fuel level sensor models:

  • shortening/extending length of measuring probe;
  • bottom spring for higher rigidity of mounting into tank;
  • screen filter for probe protection from water and mud in a tank;
  • digital self-diagnostics feature for sensor operation quality check;
  • automatic compensation of ambient temperature effect on sensor’s parts.
  • holes for sealing sensor in order to avoid unauthorized dismounting;
  • bayonet mounting plate allows to reduce mounting time;
  • ergonomic grooves for comfortable grip when fastening in bayonet mounting;
  • full set of mounting accessories;
  • conformity with European and national automotive standards.

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