Standard 
 Needle set 
 G measurement range 
 Minimum reading (g) 
 DTFA-25 
 DTFB-25 
 25-2-25 
 1 
 DTFA-50 
 DTFB-50 
 50-4-50 
 2 
 DTFA-75 
 DTFB-75 
 75-5-75 
 5 
 DTFA-100 
 DTFB-100 
 100-10-100 
 5 
 DTFA-150 
 DTFB-150 
 150-10-150 
 5 
 DTFA-250 
 DTFB-250 
 250-20-250 
 10 

 Features: measuring the density of the bearings for the little round key part of improving the precision resistance measurement, accuracy ± 0.5 scale