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DWYER 641RM air velocity transmitter with remote probe

The Series 641RM Air Velocity Transmitter with Remote Probe features the same highly accurate heated mass flow sensor as the Series 641, with a remote probe construction. The units 6´ cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed.

			
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Made in USA. brand DWYER, model 641RM

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

Retail price from $676

Available

Available

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 global supplier of control and measuring instruments from well-known world brands

Advantages

Discounts for organisations

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

Advantages

Fast delivery across the Europe & Asia

We take care of all logistics and customs clearance of I&C solutions from Europe, USA, China and India

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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 641RM

NIST CALIBRATION available in Product Configurator.

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

  • Output signal conditioning with digital filtering
  • Install in tight spaces with compact design
  • Easy setup with on-board buttons

Technical specifications of DWYER 641RM

  • Service: Clean air and compatible, non-combustible gases.
  • Accuracy: 3% FS Process gas: 32 to 122°F (0 to 50°C); 4% FS Process gas: -40 to 32°F & 122 to 212°F (-40 to 0°C & 50 to 100°C).
  • Range: 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS).
  • Response Time: Flow: 1.5 s to 95% of final value (output filter set to min.).
  • Temperature Limits: Process: -40 to 212°F (-40 to 100°C). Ambient: 32 to 140°F (0 to 60°C).
  • Pressure Limit: 100 psi (6.89 bar) maximum.
  • 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.

How to buy DWYER 641RM

Model Description Price
641RM-12 Air velocity transmitter, without LED display.
$676.00
641RM-12-LED Air velocity transmitter, with LED display.
$862.15

Accessories for DWYER 641RM

Model Description Price
A-159 Mounting gland. Versatile adapter slips on any Series 160, 5/16″ standard pitot tube made after Dec. 1990. Two-part stainless steel fitting slides over tube and provides permanent, secure mounting. Where duct interior is accessible, use the washers and jam nut supplied. For blind applications or in thicker materials, use model A-156 flange mounting plate. Once tube is adjusted to proper depth and angle, tighten smaller hex bushing to lock position. Graphite bushing inside assures leak-proof seal even at higher temperatures. TFE bushing also available. Note: For full insertion with this fitting, order next longer pitot tube. A-159 mounting gland is used for both duct mounting and flange mounting.
$37.40
A-156 Flange mounting plate with 1/2″ female NPT.
$21.65
641-LED Field-upgradeable LED
$176.55
A-158 Split flange mounting. Can be added to any Dwyer® No. 160 standard pitot tube. Zinc plated steel. Gasket is pattern for mounting holes. Secure flange loosely to tube, adjust tube depth and tighten screws. Gasket of 1/16″ Neoprene fits tightly around tube and against duct for leak-proof seal. Nuts, washers included.
$19.10

Model Chart DWYER 641RM

EXAMPLE
641RM
6
LED
Series 641RM Air Velocity Transmitter, 6″ probe, with LED display.
SERIES
641RM
Air Velocity Transmitter
PROBE LENGTH
6
12
18
24
30
36
6″
12″
18″
24″
30″
36″
OPTIONS 3
10
15
20
25
30
AT
LED
NIST
ST
3 ft. Cable Length
10 ft. Cable Length
15 ft. Cable Length
20 ft. Cable Length
25 ft. Cable Length
30 ft. Cable Length
Aluminum Tag
LED Display
NIST Certificate of Calibration
Stainless Steel Tag

User Guide and Instruction manual for DWYER 641RM

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

You can buy DWYER 641RM in UK or Europe at a price starting from 676 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER 641RM price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.