Fuel monitoring that accounts for every litre.
frameLOGIC fuel monitoring pairs a reliable tank probe with a purpose-built algorithm that interprets the readings. Precise enough to catch small drains and refuelling discrepancies, not just the obvious losses. The fuel-filler cap closes the physical side of the tank: a locked filler, a siren, and an anti-siphon basket.
Drain detection with a time, a place, and a human check.
When the fuel level drops abnormally, the system records the exact time of the event and marks the location on the fleet map. Any change above 1.5% of tank volume is checked by a person before the alert reaches the administrator, so a notification means something happened. Probe readings are matched against fuel-card and telematics data: a refuelling that shows on the invoice but never raised the level in the tank surfaces straight away, across the whole fleet.
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Every refuelling and every loss, with place and time.
Tank level matched against fuel card transactions and vehicle data. Three situations the system tells apart.
What the fuel management module covers
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Fuel probe
A reliable probe measures fuel in the tank itself, not indirectly from the CAN bus.
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Human verification
Every suspected drain above 1.5% of tank volume is checked by a person before the alert goes out.
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Trend reports
Negative trends in fuel economy analysed from three angles: drivers, vehicles, and refuelling locations.
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ECO Driving
Driving-style analysis with driver rankings. Detects harsh manoeuvres, speeding, and long idling to cut consumption and CO2.
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Fuel cards
Card transactions matched against the actual rise in tank level. A gap between the invoice and the refuelling shows up without manual reconciliation.
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Stationary tanks
Real-time level control for on-site tanks. Every refuelling is logged and assigned to an employee via the RFID module.
AI-generated image Opening the filler without the ignition on sets off an alarm on site and in the system.
- Key lock and metal strainerThe strainer in the filler neck makes siphoning with a hose harder.
- Siren when opened without ignitionAlso when the wires are cut.
- Muted for 30 minutes when refuellingThe alarm mutes automatically and the driver refuels as normal.
- Notification in the appThe opening event, with time and place, goes to the person responsible for the fleet.
What the anti-theft fuel cap adds
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Key-locked filler
The cap cover cannot be removed without the dedicated key. The tank stops being the easiest point of entry.
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External alarm siren
Fires the moment the cap is opened without authorisation, and also when the wiring is cut.
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Anti-siphon metal basket
A protective metal basket blocks fuel draw even if the cover has already been removed.
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In-app notifications
Opening events reach frameLOGIC live and are visible online.
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Reinforced tether
The cap is connected to the tank with reinforced metal cabling for additional protection.
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Refuelling mode
During normal refuelling by the driver, the alarm mutes automatically for 30 minutes.
Fuel monitoring – common questions
- 01
How accurate is fuel consumption monitoring with a probe?
The probe measures fuel in the tank itself and a purpose-built algorithm interprets the readings.
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How does the system detect fuel theft?
Every abnormal drop in fuel level is recorded with the exact time and the location on the map. Changes above 1.5% of tank volume are checked by a person, and the administrator receives an immediate notification.
- 03
How does the fuel-filler cap protect the tank?
It locks the filler so the cap cannot be removed without a dedicated key. Opening it with the ignition off, or cutting the wiring, triggers the external siren immediately, and the event is logged live in the system. The cap itself is tethered to the tank with reinforced metal cabling.
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Does the cap stop siphoning if the cover is removed?
Yes. A protective metal basket sits inside the filler and blocks fuel draw even with the cover off. Getting past the lock still doesn't get anyone to the fuel.
- 05
What happens when the driver refuels?
Nothing dramatic. During normal refuelling the alarm mutes automatically for 30 minutes, so drivers fill up as usual and the siren stays reserved for genuine attempts.
- 06
Does the system cover stationary fuel tanks?
Yes. On-site tanks get real-time level control, and every refuelling is logged and assigned to an employee via the RFID module, so fuel data across the whole operation reconciles in one place, alongside the rest of your fleet management records.