Division 1 Measurement of the mass of gaseous fuel consumed during the Type 1 test cycleF1
Measurement of the mass of gas consumed during the cycle shall be done by a fuel weighing system capable of measuring the weight of the storage container during the test in accordance with the following:
- (a)
An accuracy of ± 2 per cent of the difference between the readings at the beginning and at the end of the test or better.
- (b)
Precautions shall be taken to avoid measurement errors.
Such precautions shall at least include the careful installation of the device in accordance with the instrument manufacturer's recommendations and to good engineering practice.
- (c)
Other measurement methods are permitted if an equivalent accuracy can be demonstrated.