Top-3 hot telematics tasks for DFM 

DFM fuel flow meters

Flow meter is the most accurate fuel consumption measurement tool for vehicles and stationary machines.

DFM flow meters are used in fuel systems of 1-25,000 l/h flow rates, while a variety of available interfaces allows connecting DFM to well-known GPS trackers, telematics boxes and NMEA displays.

Unlike other technical solutions, DFM flow meters can solve several telematics tasks at once. What are those tasks, and what results can be obtained by integrating DFM into a telematics system?

1. Cut fuel costs

Fuel economy in rail transport

Project: fuel consumption monitoring on track machines and locomotives with diesel engines
1) 20% fuel economy of track machines,
2) 10% increase in work productivity

Fuel accounting according to pre-defined quotas is complicated by the fact that actual fuel consumption depends on the conditions of work, state of the serviced area, skills of repair team.

DFM flow meter measures the actual fuel consumption, helping to eliminate inflated estimates/reports on fuel used. In addition, DFM records engine operation hours in idling and regular modes, what allows reducing downtime and increasing productivity.

Since DFM is mounted directly into the fuel lines, its accuracy is independent of fuel fluctuations inside the fuel tank. DFM is protected from readings tampering and has built-in autonomous power supply.

2. Track operating time and engine workload

Control of agricultural machinery

Project: monitoring tractor and harvester operating parameters
1) fuel expenses reduced by 30%,
2) ensured operating time and engine workload tracking

Recording just machine-hours does not allow distinguishing the time of real operation of the equipment from idling time. In addition, it is impossible to determine how carefully the equipment was operated (“driving quality”).

DFM CAN flow meters transmit more than 40 fuel consumption and engine operation time parameters and data counters. This allows you to detect excessive engine load and fuel consumption, reduce the time of operation in non-optimal modes, and thereby extend service life of the equipment.

3. Optimize technical maintenance

Diesel generator control and effective maintenance

Project: supervising efficiency of power-generators in banks
1) fuel used declined by 30%,
2) technical maintenance is carried out on “real wear-out” basis

Diesel generators of different capacities are located in several cities – some are rarely operated, while others work almost around the clock. Such fragmentation complicates obtaining information for genset technical maintenance and accounting fuel consumption.

DFM flow meter records “Idle” and “Optimal” engine operation time counters allowing to be sure of actual genset operating time, plan maintenance accordingly and optimize expenses. As result, DFM helps effectively maintain diesel generators in good condition for ensuring uninterrupted operation of the bank.

Main advantages of DFM fuel flow meters

  1. Direct fuel consumption measurement, fuel drain from return line is impossible.
  2. High accuracy when operated in rough terrain and during short engine load intervals.
  3. Detecting “Idling”, “Optimal” and “Overload” engine operation modes.
  4. Allows detecting and preventing possible breakdowns of fuel system.
  5. Built-in battery and internal memory for storing data and operating without external power source.
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Diesel generator monitoring system
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Truck telematics



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