Anemometers - Air velocity instruments

Anemometers, draugt sensors and micromanometers (differential pressure instruments) with pitot static tubes that measures air velocity. The thermoanemometers measure also temperature. Most instruments calculate air flow too. The Swedish Work Environment Authority regulation on workplace design and general recommendations state in section No. 25 for fume cupboards, the front speed shall be at least 0.5m/s at the cupboard opening when work or processes generating air contaminants is in progress. In section No. 28, the ventilation and control system of fume cupboards shall be checked at least once a year to ensure they function as intended.


Swema 3000 air velocitySwema 3000 air velocity

Universalinstrument
with different sensors:
Draught sensor
Hot wire anemometer
Pitot static tube

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Swema 3000 draughtSwema 3000 draught

Draught - unwanted air movement.
According to ISO 7730 och 7726.
Air velocity, temperature and draught rate - independent of direction.

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SwemaMan 8SwemaMan 8
Art.nr: 768300

Micromanometer
-100... +1500 Pa
-0.4...+6 inH₂O
±0,3%, min ±0,4Pa
600...1200 hPa ±2,5hPa
TC type K 0...+50 °C
Air flow, velocity
Zero pressure valve

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SwemaAir 5SwemaAir 5
Art.nr: 768480

Anemometer
0,1...12...30 m/s
±3%, min ±0,04m/s
Air flow
temperature
barometer

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SwemaMan 7SwemaMan 7
Art.nr: 768310

Micromanometer
-1000... +9999 Pa
±1%, min ±0,5 Pa
Air flow, velocity

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