Duct Sensors (Air)

We offer a line of duct sensors covering all standard measurement values for temperature, humidity, enthalpy, dew point, CO₂, VOC’s, pressure, and low temperature limit detection.

Showing 1–12 of 156 results

Register for a free membership today! Unlock free shipping & savings on all orders!
Sign up today!

Need better pricing? Have questions? Fill out our contact us form – we try to respond in 30 min or less! Or call one of our experts at 1-866-335-0047. We’re open M-F 6am – 4pm EST.

  • 01APS-501

    Differential Pressure Switch, 0.80…4.00 inch WC [200…1000 Pa], passive, switch
    $39.60 Each
  • 01APS-501.1

    Differential pressure switch, 0.80…4.00 inch WC [200…1000 Pa], Switch, Incl. Conduit Adapter 1/2″ NPT without tube and connection elements Multipack 45 pcs.
    $32.40 Each
  • 01APS-504

    Differential Pressure Switch, 2.00…10.00 inch WC [500…2500 Pa], passive, switch
    $39.60 Each
  • 01APS-504.1

    Differential pressure switch, 2.00…10.00 inch WC [500…2500 Pa], Switch, Incl. Conduit Adapter 1/2″ NPT without tube and connection elements Multipack 45 pcs.
    $32.40 Each
  • 01APS-50R

    Differential Pressure Switch, 0.08…1.20 inch WC [20…300 Pa], passive, switch
    $39.60 Each
  • 01APS-50R.1

    Differential pressure switch, 0.08…1.20 inch WC [20…300 Pa], Switch, Incl. Conduit Adapter 1/2″ NPT without tube and connection elements Multipack 45 pcs.
    $32.40 Each
  • 01APS-50U

    Differential Pressure Switch, 0.20…2.00 inch WC [50…500 Pa], passive, switch
    $39.60 Each
  • 01APS-50U.1

    Differential pressure switch, 0.20…2.00 inch WC [50…500 Pa], Switch, Incl. Conduit Adapter 1/2″ NPT without tube and connection elements Multipack 45 pcs.
    $32.40 Each
  • 01CT-5AH

    Cable Temperature Sensor passive, Pt100, Probe diameter 0.24″ [6 mm], cable 6.5 ft. [2 m], 2-wire
    $21.60 Each
  • 01CT-5BH

    Cable Temperature Sensor passive, Pt1000, Probe diameter 0.24″ [6 mm], cable 6.5 ft. [2 m], 2-wire
    $21.60 Each
  • 01CT-5BL

    Cable Temperature Sensor with mounting flange passive, Pt1000, Probe diameter 0.24″ [6 mm], cable 6.5 ft. [2 m], 2-wire
    $21.60 Each
  • 01CT-5BP

    Cable Temperature Sensor with mounting flange passive, Pt1000, Probe diameter 0.24″ [6 mm], cable 6.5 ft. [2 m], 2-wire
    $21.60 Each