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Compact Low Differential Pressure Switches

Differential pressure switch, range 3.0-11.75" w.c., approx. deadband @ min. set point 0.40, approx. deadband @ max. set point 0.40, with manual reset option.

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Data Sheet (PDF)

$117.25

Item# 1900-10-MR

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Lead Time (If not in stock): 3 weeks

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Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
Range screw protected inside enclosure provides simplifies making adjustments but prevents tampering

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1900-10-MR Model Options

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Deadband Range

Pressure Range

Features

Pressure Type

Switch Type

Pressure Port Size

Deadband

Pressure Port Type

Specs

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Temperature Limits -30 to 180°F (-34 to 82.2°C).
Compliance: CE
Electrical Connections: 3 screw type
Electrical Rating: 15 A @ 120-480 VAC
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Repeatability: ±3%.
Set Point Adjustment: Screw type inside conduit enclosure.
Switch Type: Single-pole double-throw (SPDT).
Weight: 1 lb 4.5 oz (581 g).
Wetted Materials: Consult factory.
Pressure Limits: 45" w.c. (11.2 kPa) continuous
Process Connections: 1/8" female NPT.
Service: Air and non-combustible

Our most popular Series 1900 Compact Low Differential Pressure Switch combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. For air and non-combustible compatible gases, Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.

Product Applications

Air conditioning refrigeration coil icing detection; defrost cycle intiation.
Clogged filter detection.
Variable air volume controller.

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