Model No:EM-38
Stimulator (Student type) : 0.25 pulse per second to 200 pulse per second in 11 steps. Pulse width selectable 1 ms and 2 ms. Operable on 30V.
Modes:
Stimulators (senior type):
Model: EM-38A
1 pulse per second to 10 pulse per second in 10 steps multiple of 0.1, 1 and 10. Continuous variable volt from 0-3V in multiple of 1 and 10. Internal pulse, external pulse and single pulse mode.