UK Freight only 8.75
Technoton DFM Digital LCD Fuel Meter, With Pulse-Out for Engine Fuel Consumption
  • Click to enlarge

Technoton DFM Digital LCD Fuel Meter, With Pulse-Out for Engine Fuel Consumption


Excellent quality, Digital, Engine Fuel Consumption Meters, for monitoring engine fuel usage. All models are complete with an engine hours total, which accumulates on the basis that the engine is running whilst fuel is passing through the meter, these meters are also supplied with a magnetic key which allows the user to switch between the screens without there having to be a tactile switch

Suitable for all fuel oils, providing the fuel is clean, can be used with;

  • Diesel
  • Petrol
  • Kerosene
  • Heating Oil
  • Other Petroleum Deriviates
  • Biodiesel
  • Vegetable Oil
  • Fuel Blends
  • Fuel Substitutes

4 Different types of signal output (denoted by suffix):

  • P - Pulse - Not Normalised
  • K - Pulse - Normalised
  • 232 - Serial - RS-232 (Can also be set to work according to MODBUS RTU Protocol)
  • 485 - Serial - RS-485 (Can also be set to work according to MODBUS RTU Protocol)
  • CAN - CAN 2.0B Interface

Powered by the vehicles power supply (battery), suitable for 12vDC or 24vDC systems, with a voltage tolerance of 10 to 50 vDC

OPTIONAL FITTING KIT: An adaptor kit is available which has fittings to enable connection to 3/8"BSP Male, 3/8"BSP Female, 10mm Tube Compression, and 3/8" (9.53mm) Hose Barb (All in the one kit)

4 Models available to suit different engine fuel consumption rates, referring to your vehicle manual should give some indication as to the likely flow range required

General Specification
Operating Temperatures-20 to +80 °c
Voltage10-50 vDC, Protected up to 100v
Current Consumption50ma @ 12vDC, 25ma @ 24vDC
IP RatingIP 54
Output SignalNone
Min / Max Kinematic Viscosity1.5-6.0 mm2/Sec / Centistokes
Nominal / Max Pressure2 to 25 Bar
Max Particle Tolerance80 Micron
Fitting SizeConsult Chart Below
Pulse TypeConsult Chart Below
Models Available
 Flow RangeStarting FlowConnection ThreadAccuracy within flow rangePulses Per LitreType of OutputWith "Engine Hours" Display Y/N
DFM 50C K1 - 50 LPH0.5 LPHM14x1.5±1%200Pulse, NormalisedY
DFM 50C 2321 - 50 LPH0.5 LPHM14x1.5±1%200RS-232Y
DFM 50C 4851 - 50 LPH0.5 LPHM14x1.5±1%200RS-485Y
DFM 50C CAN1 - 50 LPH0.5 LPHM14x1.5±1%200CAN 2.0B InterfaceY
DFM 100C K2 - 100 LPH0.5 LPHM14x1.5±1%200Pulse, NormalisedY
DFM 100C 2322 - 100 LPH0.5 LPHM14x1.5±1%200RS-232Y
DFM 100C 4852 - 100 LPH0.5 LPHM14x1.5±1%200RS-485Y
DFM 100C CAN2 - 100 LPH0.5 LPHM14x1.5±1%200CAN 2.0B InterfaceY
DFM 250C K5 - 250 LPH2.0 LPHM14x1.5±1%80Pulse, NormalisedY
DFM 250C 2325 - 250 LPH2.0 LPHM14x1.5±1%80RS-232Y
DFM 250C 4855 - 250 LPH2.0 LPHM14x1.5±1%80RS-485Y
DFM 250C CAN5 - 250 LPH2.0 LPHM14x1.5±1%80CAN 2.0B InterfaceY
DFM 500C K10 - 500 LPH5.0 LPHM16x1.5±1%50Pulse, NormalisedY
DFM 500C 23210 - 500 LPH5.0 LPHM16x1.5±1%50RS-232Y
DFM 500C 48510 - 500 LPH5.0 LPHM16x1.5±1%50RS-485Y
DFM 500C CAN10 - 500 LPH5.0 LPHM16x1.5±1%50CAN 2.0B InterfaceY

Shown Below, Digital Display, being switched between display screens using supplied magnetic key

Shown Below, Installation Diagram, Meter Fitted Before Pump (Less Accurate)

Shown Below, Installation Diagram, Meter After Pump (More Accurate)

Shown Below, Optional Fitting Kit. Each DFM Fitting kit contains 2 of EACH item shown below:

Download Technoton DFM Operation Manual (All Models) PDFDownload Technoton DFM Operation Manual (All Models) PDF

Product Options


Email us for availability

Product CodeDFM659YX266

This field is required.
This item has been added to your cart...