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Fieldpiece SDP2

Dual In-Duct Psychrometer
Fieldpiece SDP2 - Dual In-Duct PsychrometerFieldpiece SDP2 - Dual In-Duct Psychrometer
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About this Item

Dual In-Duct Psychrometer
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Product Highlights

Fieldpiece SDP2 - Dual In-Duct Psychrometer

The SDP2 dual in-duct psychrometer is more than just your everyday HVAC/R psychrometer. It gives HVAC/R professionals more insight into HVAC evaporator performance than any other psychrometer, because it takes four evaporator measurements at one time: supply wet bulb, supply dry bulb, return wet bulb, and return dry bulb.

So HVAC/R professionals get a live, real-time snap shot of the evaporator performance, even while conditions are changing. Based on these live, dynamic readings, the SDP2 Dual In-Duct Psychrometer registers system changes as they happen, and automatically calculates actual Delta-T, Target Delta-T, actual Evaporator Exit Temperature, and Target Evaporator Exit Temperature. Plus enthalpy (BTU/LBM) and Dew Point can be displayed in real-time.

* The SDP2 is a great tool to help HVAC/R professionals do more all by itself. But couple it with the HG3 System Analyzer and/or the SMAN4 Digital Manifold, and your work improves dramatically in an instant. Not only are you checking and servicing a unit based on live real-time measurements, but the wireless communication lets you be in two or more places at one time!


  • Sends live indoor wet bulb readings to the SMAN4 Digital Manifold while charging at the condenser
  • Real-time Target Evaporator Exit Temperature and Target Delta-T
  • Displays actual indoor unit performance, and calculates how indoor unit should be performing
  • Shows enthalpy change across the evaporator - in real-time
  • Wirelessly sends all 4 evaporator temperatures to the HG3 System Analyzer for full system diagnostics


  • Hands-free testing
  • Bright backlight
  • Threaded probe locks
  • Ruled, 38" telescoping probes
  • Magnetic hanger
  • Rugged design
  • Dual display
  • Dual in-duct psychrometer - SDP2
  • Two threaded RCONEs - RCONE1
  • Blow molded case with padding
  • Operator's manual

Manuals & Docs

Fieldpiece SDP2 - Dual In-Duct Psychrometer
Weight 5.28 Pound (lb.)
Height 3 Inches (In)
Width 17 Inches (In)
UPC 872641002848
Length 16 Inches (In)
Brand Fieldpiece
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