Air flow hood 3...1500 l/s

Air flow hood 3...1500 l/s

SwemaFlow 4001

Art.nr: 770070 [View large]
• 300 g lighter than previous model
• Hold function
• Memory
• Barometer
• Temperature
• Real or Standard flow


Suitable for high and low flow diffusers, SwemaFlow 4001 measures both supply and exhaust air flow. The Swema measuring principle - a net of hot wires gives an accurate average value of the air flow in the flow hood opening. The design has a big cross section which minimizes the restriction of the flow. When placing the hood to an air terminal device a measurement value is instantly displayed. The flow measurement section is well defined and the flow hood features high accuracy both for supply and exhaust air.

SwemaFlow 4001 Product Sheet

SwemaFlow 4001 Manual

Measurement range; Measurement uncertainty
Air flow: 3...1500 l/s, 10.8...5400 m³/h; ±3 % read value, min ±0.5 l/s, ±1.8 m3/h
6.3...3150 cfm; ±3 % read value, min ±1.1 cfm
Temperature: 0...50 °C; ±0.6 °C <50 l/s, ±0.4 °C >50 l/s
32...122 °F; ±1.1 °F <106 cfm, ±0.7 °F >106 cfm
Barometer: 600...1200 hPa; ±3.5 hPa
18...35 inHg; ±0.1 inHg

(At 95% coverage probability in non condensing, non moist air <80 %RH, non aggressive gases)

Memory: 9999 measurements
Measurement opening: 650 x 650 mm (inner)
Height: 1125 mm (with Hood 650x650 mm)
305 mm (measuring unit only)
Weight: 3.7 kg (with Hood 650x650 mm)
Charging time: <4 hours

Measuring principle: Mass flow, net of hot wires

Contents: Measuring unit, 650x650 mm hood, charger (230 V), USB cable, calibration protocol, manual, case

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Swema ABVAT No. 556052-5551

Pepparvägen 27 123 56 Farsta


Phone: +468 - 94 00 90

Fax: +468 - 93 44 93