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Dwyer德威爾 風速變送器 AVUB-1-V AVUB-2-V AVUB-3-V 風速傳感器

The SERIES AVU Air Velocity Transmitter is ideal for a wide range of HVAC

measurement and control applications, particularly in complete building control and

energy management systems.

The Series AVU Transmitter operates by measuring the heat loss from one of the two

sensing elements in the air stream, then calculating the air velocity. Units are virtually

immune to drift due to the design of the sensing element, which makes the transmitter

accurate over the whole air velocity range.

FEATURES/BENEFITS

? 4 to 20 mA or 0 to 10 V output versions

? NEMA 6 (IP67) enclosure rating

? AC or DC powered (loop version DC only)

? 5% or 8% accuracy

APPLICATIONS

? Zone control in HVAC systems

? Supply and exhaust fan tracking

? Clean room systems

? Air pollution studies and manufacturing

Dwyer德威爾 風速變送器 AVUB-1-V AVUB-2-V AVUB-3-V 風速傳感器

Service: Clean air and compatible, noncombustible gases.

Accuracy: AVU: ±5% of FS; AVUB: ±8% of FS.

Response Time (90%): 5 sec (typical).

Temperature Limits: 32 to 122°F (0 to 50°C).

Humidity Limit: 0-90% RH, noncondensing.

Power Requirements: -A models 24 VDC +10% -15%; -V models 24 VDC or 24 VAC +10% - 15%.

Output Signal: -A models 4 to 20 mA current loop; -V models 0-10 VDC.

Loop Resistance: (-A models) 700 Ω. 

Current Consumption: 60 mA + output current.

Max. Start Up Current: 85 mA; 10 V.

Output Current Limit: (-V models) >10 mA.

Electrical Connections: Screw terminal.

Cable gland for 4-8 mm wire (16 gauge wire).

Enclosure Rating: NEMA 6 (IP67)

except sensing point.

Probe Dimensions: 9.45 x .75? (240 x 19 mm).

Mounting Orientation: Unit not position

sensitive. Probe must be aligned with airflow.

Weight: 8.8 oz (250 g).

Agency Approvals: CE.

Dwyer德威爾 風速變送器 AVUB-1-V AVUB-2-V AVUB-3-V 風速傳感器

Service: Clean air and compatible, noncombustible gases.

Accuracy: AVU: ±5% of FS; AVUB: ±8% of FS.

Response Time (90%): 5 sec (typical).

Temperature Limits: 32 to 122°F (0 to 50°C).

Humidity Limit: 0-90% RH, noncondensing.

Power Requirements: -A models 24 VDC +10% -15%; -V models 24 VDC or 24 VAC +10% - 15%.

Output Signal: -A models 4 to 20 mA current loop; -V models 0-10 VDC.

Loop Resistance: (-A models) 700 Ω. 

Current Consumption: 60 mA + output current.

Max. Start Up Current: 85 mA; 10 V.

Output Current Limit: (-V models) >10 mA.

Electrical Connections: Screw terminal.

Cable gland for 4-8 mm wire (16 gauge wire).

Enclosure Rating: NEMA 6 (IP67)

except sensing point.

Probe Dimensions: 9.45 x .75? (240 x 19 mm).

Mounting Orientation: Unit not position

sensitive. Probe must be aligned with airflow.

Weight: 8.8 oz (250 g).

Agency Approvals: CE.