Specifications:
- Product Name: Sonmol digital peak flow meter
- Model: SMPF–2S
- Power Supply: Rechargeable
- Display: Segment LCD
- Test method: Pressure Sensor
- Measurement range: Volume: 0.5 ~ 8L Flow Rate: 60L/min ~ 840L/min
- Accuracy: Volume: ±3% or ± 0.05L (whichever is greater)
- Flow Rate: ±10% or ±10L/min of reading (whichever is greater)
- Airflow resistance: 0.06 kPa/L/min
- Flow Rate Frequency response: ±12% or ±15L/min (whichever is greater)
- Working way: Continuous operation
- Operating environment: +10°C ~ +40°C; < 80% RH
- Operating atmospheric pressure: 700hPa ~ 1060hPa
- Transport, storage environment: -10°C ~ +55°C; <95% RH
- Transport, and storage of atmospheric pressure: 500Pa ~ 1060Pa
- Weight: 80g
