Dwyer® MS2-W101 Air velocity Sensor With Display


100 in stock


  Usually ships in 4 - 6 weeks

(However please contact store for precise delivery schedule. Backorder also allowed)

Dwyer® MS2-W101 Air velocity Sensor With Display combines the proven stable Hall Effect sensing technology of original MS with additional features to reduce installation time and simplify ordering. The voltage output can be selected to be either 0 to 5 VDC or 0 to 10 VDC, while the current is always 4 to 20 mA. Both the current and voltage output can also be inverted.

Applications: Commercial Buildings, Fan Proving, Filter Monitoring in Air Handler Units, Building Pressure in Pharmaceutical-Semi-Conductor Clean Rooms

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Dwyer® MS2-W101 Air velocity Sensor With Display can be used as a linear pressure output or a linear velocity output with the square root extraction done in the transmitter. In MS2-W101 air velocity meter there is an Additional parameters have been included to expand the square root capability to include flow measurements.

Feature of Dwyer® MS2-W101 Air velocity Sensor With Display :

  • Field selectable ranges and output signal reduce inventory and the chances of ordering an incorrect part
  • BACnet or Modbus serial communications reduce wiring cost by daisy-chaining the transmitters
  • Our integral field-upgradeable display or plug-in remote display tool save upfront material cost and allow for local viewing of measurements

Additional information

Weight 1 kg




Measuring Parameters


Pressure range

Low Range 0.10, 0.15, 0.25, 0.50" w.c.; 25, 40, 50, 125 Pa; 2.5, 4, 6, 10mm w.c.


0 to 150°F (-18 to 66°C).

Typical Accuracy

±1% FS for 0.15 in w.c

Power Requirements

0 to 35 VDC (2-wire), 17 to 36 VDC or isolated 21.6 to 33 VAC (3-wire).

Process Connection

3/16" (5mm) ID Tubing. Maximum OD 9mm;

Electrical Connection:

3-Wire Removable European Style Terminal Block 16 to 22 AWG.


5 digit LCD Display

Output Signals

4 to 20 mA (2-wire), 0 to 5 VDC,0 to 10 VDC (3-wire)




8.0 oz (230 g)

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Dwyer® MS2-W101 Air velocity Sensor With Display