Technoton DFM Fuel Flow Meter


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Technoton DFM Fuel Flow Meter

DFM is designed for fuel consumption measurement in fuel lines of vehicles and stationary machines, also for operating time monitoring in different working modes of engine.

DFM fuel flow meter is used for consumption measurement of the following fluids:

  • diesel fuel
  • heating oil
  • other liquid fuels and mineral oils with kinematic viscosity of 1.5 to 6 mm2/s.

DFM is a tool for direct measurement of fuel consumption, which is used as a part of GPS tracking system, vehicle telematics system or as an stand-alone (autonomous) solution for fuel consumption monitoring.

One-chamber DFM fuel flow meters are mainly intended for small and medium engines with indirect injection fuel system.

Features & Benefits:

  • Digital Counters and built-in battery
  • Protection against cheating
Connecting ThreadM14x1.5
Nominal Pressure2 bar
Max. Pressure25 bar
Supply Voltage10-45 V
Overvoltage Protection≤ 100 V
Current Consumption25 / 50 mA (12 V / 24 V), mA
Operating Temperature-40 … +85 °C (without display)
-20 … +60 °C (with display)
Ingress Protection RatingIP54
Relative Accuracy Error per Chamber1%, not more than


ModelNominal BoreStart-up Flow RateMin. flow rateMax. flow rateRecalibration Interval
DFM 5060.5 l/h1 l/h50 l/h100,000 l
DFM 10060.5 l/h2 l/h100 l/h100,000 l
DFM 25082 l/h5 l/h250 l/h250,000 l
DFM 500125 l/h10 l/h500 l/h500,000 l

Technoton DFM Fuel Flow Meter

* 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.

GillSC 4142 Fuel Flow Meter


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