8-6  Measurement 
Table 4 Automatic measurements 
Parameter  Error 
Smart V Trace  Within ±20% 
Smart Fetal HR  Within ±10% 
Smart Hip  Within ±5% 
Smart HRI  Within ±5% 
Smart Caliper  Within ±5% 
Smart ICV 
Within±20% 
Smart Trace  Within ±20% 
 
 
Within the selected field range, the measurement accuracy is ensured within the range 
mentioned above. The accuracy specifications are performance in the worst conditions, or 
based on the real test for the system, regardless of acoustic speed error.