Wireless fuel flow meters [Optimal mode^-j- Fuel consumption Lry Instant fuel consumption New generation of DFM and DFM Marine flow meters for fuel consumption measurement and engine operation time tracking - data transfer over Bluetooth 4.X, easy connection to telematics unit, handy data check on smartphone display Advantages Parameters and Counters S instant fuel rate; S total fuel consumption; S total fuel consumption in "Idling", "Optimal", "Overload", "Tampering" engine operation modes; S differential fuel consumption ; S total operating time; S total operating time in "Idling", "Optimal", "Overload" modes; S operating time in "Tampering"and "Interference" modes; S current engine operation mode as per fuel consumption rate; S fuel temperature; Technical specification 1. Easy flow meter data check when it's installed in hard-to-reach place of fuel system. 2. Quick installation without cabling. 3. Parallel data transfer to telematics unit and smartphone over Bluetooth Low Energy. 4. Fire- and explosion-safety of the meter. 5. Increased resistance to vandalism. Maximum fuel pressure 25 bar Signal transmission rang, cabin 15 m Signal transmission rang, line of sight 45 m Number of simultaneously connected receivers not limited Battery life more than 5 years - DFM S7 single chamber flow meters ±0.5 - 1% - DFM D S7 differential flow meters ±1 - 3% - DFM Marine S7 flow meters ±0,5%