(a) The maintenance tolerances for Motomco 919 moisture meters used in performing official inspection services shall be:
(1) Headquarters standard meters: ----------------------------------------------------------------------------------------------------------------
Tolerance
Moisture range -----------------------------------------------------------------------------------
Direct comparison Sample exchange----------------------------------------------------------------------------------------------------------------Low......................... 0.05 percent
moisture, mean deviation from National
standard moisture meter using Hard Red
Winter wheatMid......................... 0.05 percent
moisture, mean deviation from National
standard moisture meter using Hard Red
Winter wheatHigh........................ 0.05 percent
moisture, mean deviation from National
standard moisture meter using Hard Red
Winter wheat----------------------------------------------------------------------------------------------------------------
(2) All other than Headquarters standard meters: ----------------------------------------------------------------------------------------------------------------
Tolerance
Moisture range -----------------------------------------------------------------------------------
Direct comparison Sample exchange----------------------------------------------------------------------------------------------------------------Low......................... 0.15 percent 0.20 percent
moisture, mean deviation from standard moisture, mean deviation from standard
moisture meter using Hard Red Winter moisture meter using Hard Red Winter
wheat wheatMid......................... 0.10 percent 0.15 percent
moisture, mean deviation from standard moisture, mean deviation from standard
moisture meter using Hard Red Winter moisture meter using Hard Red Winter
wheat wheatHigh........................ 0.15 percent 0.20 percent
moisture, mean deviation from standard moisture, mean deviation from standard
moisture meter using Hard Red Winter moisture meter using Hard Red Winter
wheat wheat----------------------------------------------------------------------------------------------------------------
(b) The maintenance tolerances for GAC 2100 moisture meters used in performing official inspection services shall be:
(1) 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.
(2) All other than Headquarters standard meters. By sample exchange using mid-range Hard Red Winter wheat, 0.15% mean deviation from the standard meter. [63 FR 34554, June 25, 1998]