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DWYER 641B air velocity transmitter

The Series 641B Air Velocity Transmitter uses a heated mass flow sensor suitable for dirty air flow applications. It has user-selectable ranges from 250 FPM (1.25 MPS) to 2000 FPM (10 MPS).

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Made in USA. brand DWYER, model 641B

International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.

Retail price from $840

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Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Advantages

Only the best I&C brands

Our company is a UAE supplier of control and measuring instruments from well-known world brands

Advantages

Discounts for organisations

We sell high-tech equipment at best prices. We provide really advantageous conditions for partners

Advantages

Fast delivery across the Middle East

Supply to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Bahrain, Oman and other countries

Advantages

Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of DWYER 641B

PRODUCT APPLICATIONS

  • Exhaust stack flow monitoring
  • Air control in drying processes
  • HVAC air velocity measurements
  • Fan supply and exhaust tracking
  • Clean room ventilation monitoring

FEATURES

  • SS sensor suitable for dirty air flow measurement
  • Ranges from 250 FPM (1.25 MPS) to 2000 FPM (10 MPS)
  • 4 to 20 mA output
  • Digital filter for signal damping

Technical specifications of DWYER 641B

  • Service: Air and compatible, non-combustible gases.
  • Accuracy:: 5% FS process gas: 32 to 122°F (0 to 50°C); 6% FS process gas: -40 to 32°F & 122 to 212°F (-40 to 0°C & 50 to 100°C).
  • Response Time :  Flow: 1.5 s to 95% of final value (output filter set to min).
  • Temperature Limits: Process: -40 to 176°F (-40 to 80°C). Ambient: 32 to 140°F (0 to 60°C).
  • Humidity Limit: Non-condensing.
  • Power Requirements:  12 to 35 VDC, 10 to 16 VAC. 1.5 A rating required on supply due to initial power surge drawn by transmitter.
  • Output Signal: 4 to 20 mA, isolated 24 V source, 3 or 4-wire connection.
  • Output Filter: Selectable 0.5-15 s.
  • Loop Resistance: 600 Ω max.

Accessories for

Photo Model Description
A-155 Mounting gland with 1/2˝ male NPT fitting
A-156 Flange mounting plate with 1/2˝ female NPT

Prices for

Model Description Availability Price Qty Buy
641B-4 Air velocity transmitter. Delivery time from 12 weeks from 840$
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+
641B-4-LED Air velocity transmitter with LED display. Delivery time from 12 weeks from 1 102$
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+
A-155 Cable gland with 1/2" male NPT fitting Delivery time from 12 weeks from 21$
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+
A-156 Flange mounting plate with 1/2" female NPT. Delivery time from 12 weeks from 22$
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+

User Guide and Instruction manual for DWYER 641B

You can request the necessary certificates, documentation, instructions and user guide for DWYER 641B using the special form.

You can buy DWYER 641B in UAE at a price starting from 840 $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email . DWYER 641B price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.

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