DWYER – Series 1800 Low Differential Pressure Switch

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Description

Series 1800 Low Differential Pressure Switch for General Industrial Service

Set Points from 0.07″ to 85″ w.c. Repetitive Accuracy within 2%

Essential for industrial environments, the Series 1800 Low Differential Pressure Switch for general industrial service combines small size and low price with 2% repeatability for all but the most demanding applications. Set point adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

 

Product Applications

  • Process applications
  • Mechanical equipment control

 

Features

  • Compact size and repeatability provide a high-value switch for many industrial applications
  • Designed for panel and wall mounting to easily meet mounting requirements in most industrial settings
  • Pressure ranges from 0.07 in w.c. to 85 in w.c. make this switch suitable for a wide range of applications

 

Specifications

  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: Consult Factory.
  • TeMperature Limits: -30 to 180°F (-34 to 82.2°C). 1823-00, -20 to 180°F (-28.9 to 82.2°C).
  • Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
  • Switch Type: Single-pole double-throw (SPDT).
  • Repeatability: ±2%.
  • Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. De-rate to 10 A for operation at high cycle rates.
  • Electrical Connections: 3 screw type, common, normally open and normally closed.
  • Process Connections: 1/8″ female NPT.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Set Point Adjustment: Screw type inside mounting spud.
  • Weight: 1 lb, 5 oz (595 g).
  • Agency Approvals: CE, CSA, FM, UL. NOTE: Optional (-EXPL) Explosion-proof Enclosure does not possess any agency approvals.

 

Models & Ordering

Model Description
1823-0 Differential pressure switch, range 0.15-.5″ w.c., approx. deadband @ min. set point 0.06, approx. deadband @ max. set point 0.06.
1823-00 Differential pressure switch, range 0.07-0.22″ w.c., approx. deadband @ min. set point 0.05, approx. deadband @ max. set point 0.05.
1823-1 Differential pressure switch, range 0.3-1.0″ w.c., approx. deadband @ min. set point 0.08, approx. deadband @ max. set point 0.08.
1823-10 Differential pressure switch, range 2.0-10″ w.c., approx. deadband @ min. set point 0.18, approx. deadband @ max. set point 0.45.
1823-2 Differential pressure switch, range 0.5-2.0″ w.c., approx. deadband @ min. set point 0.10, approx. deadband @ max. set point 0.12.
1823-20 Differential pressure switch, range 3-22″ w.c., approx. deadband @ min. set point 0.35, approx. deadband @ max. set point 0.70.
1823-40 Differential pressure switch, range 5-44″ w.c., approx. deadband @ min. set point 0.56, approx. deadband @ max. set point 1.10.
1823-5 Differential pressure switch, range 1.5-5.0″ w.c., approx. deadband @ min. set point 0.14, approx. deadband @ max. set point 0.28.
1823-80 Differential pressure switch, range 9-85″ w.c., approx. deadband @ min. set point 1.30, approx. deadband @ max. set point 3.0.

 

 

Additional information

Model

1823-0, 1823-00, 1823-1, 1823-10, 1823-2, 1823-20, 1823-40, 1823-5, 1823-80

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