Bronkhorst

FUEL-VIEW DFM-250CD

Compact, light weight flow meter for monitoring fuel consumption, differential type

  • Compact and lightweight
  • Strong metal moulded case, with LCD display
  • Ease of mounting and operation
  • Very cost-effective solution
  • Built-in fuel filter
  • Stable to vibrations and hydraulic shock
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FUEL-VIEWDFM-250CD

The compact and light weight fuel flow meters for monitoring fuel consumption, differential type

FUEL-VIEW flow meters operate on the principle of a rotary piston that is mounted into a chamber ring which rotates in a chamber case. The rotating speed is measured by electronic sensors which measure a magnetic pulse. The number of pulses in time is proportional to the fuel flow rate. The unique design of the flow meter allows fuel flow, even if the chamber is locked or clogged up. A fuel filter effectively protects the measuring chamber from contamination and can be removed and washed without disassembling the flow meter.

FUEL-VIEW model DFM-250CD can be used for 5...250 l/h. It is a differential fuel flow meters with a separate input and output connection for the supply and return line to measure the consumption of the fuel. The instrument has a battery powered LCD display that allows reading of actual flow [l/h], total flow consumption [l], total engine operating time [h], engine operating time in ”idling”, “optimal” and “overload” mode.


Technical specifications

Performance
Accuracy ± 1...3% RD (depends on ratio of flow rate in forward chamber to flow rate in return chamber)
Turndown 1:50 (2...100%)
Media Diesel fuel, gasoline*, petrol*, fuel oil, motor fuel, bio fuel.
Other liquids with kinematic viscosity from 1.5 to 6 mm2/sec are possible but maximal flow rate could be lower than the specified flow range and pressure drop over the instrument can be higher.
Repeatability <0.1% RD typical
Operating pressure 2...25 bar(a)
Max. pressure drop <0.3 bar(d) at 20°C on diesel
Operating temperature -40...80°C
Humidity <95% at environmental temperature of 40°C
Vibration Max. acceleration of 100 m/s2 in frequency range of 5...250 Hz
Aggressive environment Resistant to fuel and lubricant material
Mechanical parts
Material (wetted parts) O-ring: aluminium
gasket: oil-resistant rubber
chamber bridge: steel
bushing with magnets: plastic
mud filter: plastic and steel grid
chamber cover: Zinc-Aluminium alloy
Housing Zinc-Aluminium alloy (ZA4)
Ingress protection (housing) IP54
Connections R female M14 x 1.5 thread
Electrical properties
Power Batter powered LCD screen (2 years of life)
* DFM fuel flow meters are manufactured of petrol-proof materials. When working with petrol, national legislation safety measures must be applied and the declared lifetime of the measuring chamber of the flow meter is not guaranteed.

For dimensional drawings and hook-up diagrams please visit the productpage on our website

Downloads

Brochures
FUEL-VIEW brochure


Bronkhorst High-Tech B.V.

Nijverheidsstraat 1A
NL-7261 AK Ruurlo (NL)
Tel. +31 573 45 88 00
info@bronkhorst.com

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