Tanker reasonable error and anti-cheat features

In accordance with the relevant provisions of the fuel dispenser nozzle maximum permissible error ± 0.30%, each tanker is equipped with a tamper-resistant feature, as long as five times more than this range, it will automatically lock. Traffic center will regularly tanker filling stations for technical examination.
A former tanker inspection pass rate of about 70 percent fuel "second look"
There is a reasonable measurement error fuel dispenser pumps have all anti-cheat system
It is reported that the tanker is to rely on internal metering metering chamber means to complete, however, due to the usual wear and tear frequent use, it may cause some errors.