The Dwyer 1823-2 is a low differential pressure switch from the 1800 Series, designed for precise control in HVAC and industrial applications. Here's a detailed breakdown of its specifications:

 Product Overview

• Type: Differential Pressure Switch
• Series: 1800
• Model: 1823-2
• Manufacturer: Dwyer Instruments

 Technical Specifications

• Pressure Range: 0.5 to 2.0 inches of water column (W.C.)
• Deadband:
  • Approx. 0.10 in. W.C. at minimum set point
  • Approx. 0.12 in. W.C. at maximum set point
• Accuracy: ±2%
• Contact Type: SPDT (Single Pole Double Throw)
• Contact Rating:
  • 15 A @ 120–480 VAC (resistive)
  • 1/8 HP @ 125 VAC
  • 1/4 HP @ 250 VAC
• Connection Size: 1/8" NPT female
• Media Compatibility: Liquid and gas
• Housing Material: Metallic
• Approvals: CE, CSA, FM, UL