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Fieldpiece SDMN6 Digital Differential Pressure Manometer
Fieldpiece SDMN6 Digital Differential Pressure Manometer

Fieldpiece SDMN6 Digital Differential Pressure Manometer

Part Number: SDMN6
13 Review(s)
Fieldpiece SDMN6 is a fully-equipped dual-port manometer with a built-in pump for testing and calibrating adjustable pressure switches, making it a complete HVAC draft and pressure monitoring tool.
Retail Price:$357.00
On Sale: $303.45
Availability: In Stock - Save w/ Promo Code: fieldpiece
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Fieldpiece SDMN6 Dual Port Manometer and Pressure Switch Tester

Designed for HVACR field service technicians. Great for diagnosing furnace performance.

The Fieldpiece SDMN6 is a fully-equipped dual-port manometer which also has a built-in pump for testing and calibrating adjustable pressure switches, making it a comprehensive HVAC draft and pressure monitoring tool. The Fieldpiece SDMN6 dual port manometer provides a full range of pressure readings: positive and negative, as well as differential and absolute—all with a maximum range of +/- 60” of water column (WC) and a resolution down to 0.01” WC for static pressure measurements. Pressure values can be displayed in four different units: inches of WC, mm of WC, mBar, and PSI.

Like SDMN5, the SDMN6 features a zero adjustment for mitigating the effects of pressure variations and temperature changes on absolute pressure measurements.

By simulating a draft by creating a low-level vacuum, the SDMN6’s internal pump enables technicians to accurately check pressure switches. With a red LED which lights up upon switch closure and the opening and closing pressures reported on the backlit LCD screen, this manometer delivers clear and readable test results, even in dark work areas.

Whether you need to check the pressure differential across a blower with the SDMN’s included static pressure probes or verify proper gas pressure at a manifold or regulator using the 3/16” to 5/16” fittings, this Fieldpiece manometer pressure switch tester comes fully prepared right out of the box for all common HVAC pressure testing uses.

Key Features


  • Differential, absolute, and static pressure measurements
  • Internal pump with adjustable speed for testing and calibrating pressure switches
  • 0.01” WC max resolution for static pressure measurement
  • Measurement range of +/- 60” WC
  • Up to 200 hours of operation on a single 9V battery (no pump usage), 15 hours with pump at 50% speed
  • Field-adjustable zeroing to ambient pressure for highly accurate low pressure readings
  • Two 5/16” adapters for reading pressures of inlets and outlets

What’s in the Box


  • Fieldpiece SDMN6 - Dual Port Manometer and Pressure Switch Tester
  • ANC1 - Four Pocket Carrying Case
  • ASP2s - Static Pressure Probes
  • RMA316 - Pressure Tubes
  • Quick Connect Leads
  • Hoses and Y-splitter
  • Hoses with Brass Screw Fittings
  • One year manufacturer’s warranty

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