The maintenance tolerances for Motomco 919 moisture meters used in performing official inspection services shall be:
Headquarters standard meters:
All other than Headquarters standard meters:
The maintenance tolerances for GAC 2100 moisture meters used in performing official inspection services shall be:
Headquarters standard meters. By direct comparison using mid-range Hard Red Winter wheat, ±0.05% mean deviation for the average of the Headquarters standard moisture meters.
All other than Headquarters standard meters. By sample exchange using mid-range Hard Red Winter wheat, ±0.15% mean deviation from the standard meter.