
DFM 250D S7 Differential Fuel Flow Meter – Advanced Fuel Monitoring
September 7, 2026
Airmar TM185C-M-MM 1kW Medium CHIRP Transducer
September 8, 2026789.00€ Original price was: 789.00€.775.00€Current price is: 775.00€.
The DFM 500D S7 Differential Fuel Flow Meter by Technoton is a high-precision solution for measuring diesel fuel consumption in engines with fuel supply and return lines.
Designed for trucks, heavy machinery, generators, marine engines and industrial equipment, the DFM 500D S7 Differential Fuel Flow Meter measures the difference between fuel supplied to the engine and fuel returned to the tank, providing reliable real-time fuel consumption data.
Key Benefits:
- Accurate differential diesel fuel measurement
- Designed for supply and return fuel systems
- Suitable for high fuel-flow applications
- Real-time fuel consumption monitoring
- Helps detect excessive fuel consumption and fuel losses
- Suitable for fleet, generator, marine and industrial applications
- Reliable Technoton fuel monitoring technology
Stock: 0 available
Available on backorder
DFM 500D S7 Differential Fuel Flow Meter by Technoton
The DFM 500D S7 Differential Fuel Flow Meter is a professional fuel monitoring solution developed by Technoton for accurate measurement of diesel fuel consumption in engines equipped with separate fuel supply and return lines.
Unlike a single-line fuel flow meter, a differential system measures both the fuel delivered to the engine and the unused fuel returned to the tank. The DFM 500D S7 Differential Fuel Flow Meter calculates the difference between these flows, providing accurate information about the engine’s actual fuel consumption.
Accurate Differential Fuel Measurement
Modern diesel engines frequently circulate significantly more fuel through the fuel system than they actually consume. This makes conventional single-line measurement unsuitable for many applications.
The DFM 500D S7 Differential Fuel Flow Meter is designed specifically for these installations, providing reliable measurement of actual diesel consumption while maintaining the normal operation of the engine fuel system.
Fuel Monitoring for Heavy-Duty Applications
The DFM 500D S7 is particularly suitable for applications requiring reliable monitoring of relatively high fuel-flow rates, including:
- Diesel generator sets
- Heavy trucks and commercial vehicles
- Construction and mining machinery
- Agricultural equipment
- Marine diesel engines
- Industrial diesel engines
- Stationary power equipment
- Fleet fuel monitoring systems
Improve Fuel Consumption Control
Installing a DFM 500D S7 Differential Fuel Flow Meter allows operators and fleet managers to obtain accurate information about actual fuel usage.
Fuel consumption data can support:
- Fuel efficiency analysis
- Engine operating-hour monitoring
- Detection of abnormal fuel consumption
- Identification of potential fuel losses
- Comparison of fuel consumption between machines
- Fleet operating-cost analysis
- Preventive maintenance planning
This makes the DFM 500D S7 particularly useful for companies operating expensive diesel-powered assets where accurate fuel accounting is essential.
Integration with Telematics and Monitoring Systems
The DFM 500D S7 Differential Fuel Flow Meter can be incorporated into professional fuel monitoring and fleet telematics solutions, allowing fuel-consumption information to become part of a centralized vehicle, machinery or equipment monitoring system.
Depending on the selected configuration and associated equipment, fuel information can be integrated with other operational parameters to provide a more complete picture of machine performance and operating efficiency.
Technoton Fuel Monitoring Technology
Technoton DFM fuel flow meters are designed for professional fuel-consumption monitoring across transportation, industrial, agricultural, power-generation and marine applications.
The DFM 500D S7 Differential Fuel Flow Meter provides a practical solution where reliable differential measurement of diesel supply and return flow is required.
Typical Applications
The DFM 500D S7 is suitable for:
Fleet Management – Monitor actual diesel consumption of commercial vehicles and heavy equipment.
Diesel Generators – Measure generator fuel usage for operational and cost analysis.
Marine Applications – Monitor diesel consumption of compatible marine engines and auxiliary machinery.
Construction & Mining – Improve fuel accountability across high-consumption machinery.
Industrial Equipment – Integrate fuel-consumption measurement into industrial monitoring and automation systems.
Agricultural Machinery – Monitor fuel consumption and operating efficiency of tractors and other diesel-powered equipment.
Why Choose the DFM 500D S7?
The DFM 500D S7 Differential Fuel Flow Meter combines professional differential fuel measurement with the reliability required for demanding commercial and industrial applications.
For operators looking to improve diesel fuel monitoring, fuel efficiency, operating-cost control and equipment management, the DFM 500D S7 provides an effective fuel-measurement solution backed by Technoton’s experience in vehicle telematics and fuel monitoring technologies.
Contact Hi Pro Electronics for availability, technical assistance and selection of the appropriate Technoton DFM fuel flow meter for your application.

