Rpi - In-The-Ceiling Type - Hitachi FSG1 Series Technical Catalogue

CAPACITIES AND SELECTION DATA
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4.11.4. RPI - IN-THE-CEILING TYPE

Model: RPI-0.8· & RPI-1.0
1.5 Meter Beneath the Unit
Measurement point:
Approximate
threshold of Hearing
for Continuous Noise
Frequency (Cycle per second)
Model: RPI-2.0
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
Model: RPI-1.5
1.5 Meter Beneath the Unit
Measurement point:
Approximate
threshold of Hearing
for Continuous Noise
Frequency (Cycle per second)
Model: RPI-2.5
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