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TrueZero is a closed-loop piston meter system designed to reduce wetstock shrinkage caused by vapour loss during pump meter calibration.

Historically, the retail fuel industry has accepted a certain level of stock loss as a hidden cost of retailing petroleum spirit. As petrol is transferred from one receptacle to another, vapour is created, which causes shrinkage. TrueZero eliminates vapour loss during the meter calibration process.

On average, a retailer can save 1,000 litres for every one million litres sold by using the TrueZero recalibration service.

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