Table 2.

Test methods and test results

S.No	Design criteria to be tested	Method	Result
1	Heart rate, Accuracy	By using a normal person and observing the reading signal	Accuracy: 98%
2	accelerometer and vibration sensor	By fast movement and vibration of a normal person’s hand	Accuracy: 90.2%
3	Cost	Component cost	Approximately 4000 Ethiopian Birr (ETB)
4	Portability	Weight measuring	200 g
5	Easy to use	Operating procedure	15 min training for the user and caregiver