AV-DSP Low cost insertion air velocity sensor for measurement of air flow in ducts. Insertion length up to 240mm, diameter 19mm, output selectable 0-10VDC or 4-20mA, ranges user selectable via dip switches 0-4 M/S, 0-8 M/S, 0-16M/S, 0-32 M/S.Accuracy +/- 3%
DESCRIPTION The new AV-DSP is a single-point, multi-range air velocity transmitter with user selectable 0-10Vdc or 4-20mA outputs and four user selectable measurement ranges. The unit has a built-in self-test feature and the user can manually override the output to 0%, 50% or 100% of output range to aid commissioning.
FEATURES • User selectable 0-10Vdc or 4-20mA outputs • Built-in self-test feature • Built-in manual override facility for 0%, 50% or 100% of output range • Durability and resistance to chemical reagents
SPECIFICATION • 0 to 4 m/s, 0 to 8 m/s, 0 to 16 m/s, 0 to 32 m/s selectable ranges Accuracy (±3% of range): • 0 to 4 m/s, ±0.12 m/s • 0 to 8 m/s, ±0.24 m/s • 0 to 16 m/s, ±0.48 m/s • 0 to 32 m/s, ±0.96 m/s
4-20mA , 100Ω loop resistance min. 0-10Vdc into 4.7kΩ min.
Supply (current output):
20 to 35Vdc for 500Ω loop resistance 12 to 30Vdc for 100Ω loop resistance
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Air flow sensor, insertion type, range 0-4, 0-8, 0-16, 0-32 metres per second, user selectable via dip switches, output 4-20mA or 0-10vDC, user selectable, accuracy +/-3%. IP 65 weatherproof. probe 240mm x 19mm diameter.