Brand / Model
Brand
RMS (Recorders & Medicare Systems)
Model
Helios 401
Performance
Flow Range
−10 to +16 L/sec
Max Volume
8 L
Accuracy Level
±1%
Sensing & Detection
Transducer
Bi-directional turbine cartridge
Turbine Sensor
Infrared interruption
Flow Detection
Volume differential
Measured Parameters
Parameters
Forced vital capacity (FVC), Slow vital capacity (SVC), Maximum voluntary ventilation (MVV)
Connectivity & Power
Power Supply
USB Powered
Communication Interface
USB
Weight & Dimensions
Product Dimension (mm)
—
Product Weight
—
RMS Helios 401 Spirometer (PFT) – PC Spirometer Box Contents:
- Handset
- Turbine transducer Software & USB cable
- Reusable mouthpieces
- Adult & Pediatric nose clip
- Carry bag
- User manual

