Salter Brecknell 630 - Manual (Page 19)

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MODEL Capacity / Graduation Minimum Test Weight Recommended Test Weight
630-6 6 x 0.0005 lb 0.06 lb 4 lb to 6 lb
630-12 12 x 0.001 lb 0.12 lb 8 lb to 12 lb
630-30 30 x 0.002 lb 0.3 lb 20 lb to 30 lb
630-60 60 x 0.005 lb 0.6 lb 40 lb to 60 lb
630-3M 3000 x 0.2 g 30 g 2 kg to 3 kg
630-6M 6000 x 0.5 g 60 g 4 kg to 6 kg
630-15M 15 x 0.001 kg (1 g) 150 g 10 kg to 15 kg
630-30M 30 x 0.002 kg (2 g) 300 g 20 kg to 30 kg
TABLE 6-1: Minimum / Recommended Calibration Test Weights