




Dwyer Instruments MS-321 | NPS 1/2 in Pressure Switch | 6.89 kPa
For measuring pressure and air velocity, the Series MS Magnesense® Differential Pressure Transmitter is a very flexible transmitter. Numerous capabilities are packed into this small box, including field-selectable English or metric ranges, an LCD display that can be upgraded in the field, adjustable output signal attenuation (with an optional display), and the option to select a square root output for use with Pitot tubes and other comparable flow sensors. In addition to these advantages, the Magnesense® Differential Pressure Transmitter's patented magnetic sensing technology offers outstanding long-term performance, making it the only option for your pressure and flow applications.

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- Specifications
- Features
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Body | Side Port |
IP Rating | IP65 |
Measurement range | 0.1, 0.25, 0.5 inH2O |
Measuring Units | inH2O |
Mounting Type | Wall Mount |
Output | 0-10 V |
Pack Type | Module |
Series | MS 5015 Series |
Supply Voltage AC | 21.6-33 VAC V ; 10-36 VDC V |
Termination | Terminal Block |
Type | Differential |
- Field-selectable Ranges in English or Metric.
- Field-upgradable Lithograph Display.
- Adaptable output signal damping (with optional display).
- Possibility of choosing a square root output for pitot tubes and other analogous flow sensors.
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