Specifications
 16 BM series 
Capacity And Minimum Display For BM-22, BM-20 
  BM-22 is equipped the precision range and standard range of the smart range function.   
BM-20 
Precision range 
Unit 
Capacity Minimum display
Gram 22.0 0.000001 
Milligram 22000 0.001 
Ounce (Avoir)  0.776  0.0000001 
Troy Ounce  0.707  0.0000001 
Metric Carat  110  0.00001 
Momme 5.86 0.000001 
Pennyweight 14.1 0.000001 
Grain (UK)  339  0.00002 
Tael (HK general, Singapore)  0.582  0.0000001 
Tael (HK jewelry)  0.588  0.0000001 
Tael (Taiwan)  0.587  0.0000001 
Tael (China)  0.704  0.0000001 
Tola (India)  1.88  0.0000001 
Messghal 4.69 0.000001 
BM-22 
Precision range  Standard range 
Unit 
Capacity  Minimum display Capacity  Minimum display
Gram 5.10 0.000001 22.0 0.00001 
Milligram 5100 0.001 22000 0.01 
Ounce (Avoir)  0.179  0.0000001  0.776  0.000001 
Troy Ounce  0.163  0.0000001  0.707  0.000001 
Metric Carat  25.5  0.00001  110  0.0001 
Momme 1.36 0.000001 5.86 0.00001 
Pennyweight 3.27 0.000001 14.1 0.00001 
Grain (UK)  78.7  0.00002  339  0.0002 
Tael (HK general, Singapore)  0.134  0.0000001  0.582  0.000001 
Tael (HK jewelry)  0.136  0.0000001  0.587  0.000001 
Tael (Taiwan)  0.136  0.0000001  0.586  0.000001 
Tael (China)  0.163  0.0000001  0.704  0.000001 
Tola (India)  0.437  0.0000001  1.88  0.000001 
Messghal 1.08 0.000001 4.69 0.00001 










