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Technoton DFM-D Differential Fuel Flow Meter

DFM D differential fuel flow meter is designed for diesel fuel consumption measurement in fuel lines of vehicles and stationary engines, and is used as part of GPS vehicle tracking system.

DFM D differential fuel flow meter is designed for diesel fuel consumption measurement in fuel lines of vehicles and stationary engines, and is used as part of GPS vehicle tracking system. In addition, DFM D registers working time of engine in various modes of operation. DFM D is used for consumption monitoring of:

  • diesel fuel;
  • heating oil;
  • other types of liquid fuel with a kinematic viscosity of 1.5 to 6 mm2/ s.

DFM D fuel flow meters, which re equipped with display, are used as a stand-alone (autonomous) solution for accounting fuel consumption, not requiring any connection to a web-server. DFM D are more suitable for modern engines (Common rail or pump injector fuel systems) of vehicles and stationary units.

Features

  • Built-in battery
  • Differential measurement of fuel consumption
  • Replaceable mud filter

Applications

  • Bus
  • Truck
  • Marine Vessel
  • Minning Vehicles
  • Diesel Locomotives
  • Agricultural Machinery
  • Diesel General Engine
  • Road Building Machinery

Specifications

Connecting thread M14x1.5
Nominal pressure, bar 2
MAX pressure, bar 25
Supply voltage, V 10-45
Overvoltage protection, V ≤100
Current consumption, mA (24 V/12 V), mA 25 / 50
Operating temperature, (without/with display), °C -40..+85/
-20..+60
Ingress Protection Rating IP54
Relative accuracy error per chamber, %, not more than 1

List of model

Model Chamber volume, ml MIN flow rate in each chamber, l/h MAX flow rate in each chamber, l/h
DFM 100D 5 10 100
DFM 250D 12,5 50 250
DFM 500D 20 100 500

DFM modifications

Following DFM types are available:

  • fuel flow meters with display, one-chamber or differential);
  • fuel flow meters without display, one-chamber or differential).

DFM order identification codes* A symbol is not specified for differential fuel flow meters.

** For autonomous fuel flow meters Z version is not used.

*** This version is delivered upon special order. Designation U is available only for one-chamber flowmeters.

Output signals (specified in purchase order): pulse, digital RS232, digital RS485, digital CAN/S6

 

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