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- Model: 4500
- Dimensions: Net: 165mm x 133mm x 39.6mm
- Weight: Net: 260g (incl. batteries and tubing)
- Flow detection principle: Differential pressure sensor
- Flow impedance of inhaler simulator mouthpiece: DPI: 0.49 cmH2O/L/min at 50 L/min.
- MDI & Spacer: 0.016 cmH2O/L/min at 50 L/min
- Flow detection: Flow sampling @ 20Hz
- Maximum flow: 100 L/min
- Flow accuracy when operated in operating temperature range conditions: Better than ±5% or 5L/min
- Power Supply: 4 x AAA
- Battery Life: 1 year when using one session per day, with three tests per session, and an average of five sessions per week.
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.