Hitachi FSG1 Series Technical Catalogue page 99

I
RCD - 2-Way Cassette Type (cont.)
RCD-3.0
Model:
1.5 Meter Beneath the Unit
Measurement point:
Approximate
threshold of Hearing
for Continuous Noise
Frequency (Cycle per second)
RCD-5.0
Model:
1.5 Meter Beneath the Unit
Measurement point:
Approximate
threshold of Hearing
for Continuous Noise
Frequency (Cycle per second)
Power supply: 220V 50 Hz
Noise Criteria Curve
Power supply: 220V 50 Hz
Noise Criteria Curve
CAPACITIES AND SELECTION DATA
RCD-4.0
Model:
1.5 Meter Beneath the Unit
Measurement point:
Approximate
threshold of Hearing
for Continuous Noise
Frequency (Cycle per second)
4
/27
Power supply: 220V 50 Hz
Noise Criteria Curve