1638-1 | Large diaphragm pressure switch | range 0.20-1.0
$551.43
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Brand: Dwyer InstrumentsSKU: 1638-1
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$1,222.00
$551.43
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1638-1 | Large diaphragm pressure switch | range 0.20-1.0" w.c. | approx deadband @ 0.04 min. set point | 0.06 max. set point. | Dwyer Instruments

Dwyer Instruments | 1638-1
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Dwyer Instruments 1638-1 Documents

Overview

Details for 1638-1

.2-1" # Switch; Visible Set Pt Dwyer Instruments' NCO-1638-1 is a .2-1" # switch with visible setpoint, making it ideal for industrial applications with precise temperature control requirements. It features a durable construction with NEMA 1, 4, 7, 9, 12 and 13 ratings, ensuring reliable operation in harsh environments. The Dwyer NCO-1638-1 has a visible setpoint dial, allowing for quick and easy adjustments. Its range of -100 to 250 degrees Fahrenheit and 100 to 300 degrees Fahrenheit dual scale provides versatility for various temperature ranges. The switch's gold contact points ensure reliable electrical conductivity. It is well-suited for industrial applications such as HVAC systems, ovens, and incubators. Its compact design and easy installation make it convenient for integrating into existing equipment. Our HVAC supply store offers the Dwyer NCO-1638-1 switch at competitive prices, with fast shipping to minimize downtime during installation or replacement. Contact our knowledgeable sales team for expert advice and exceptional customer service.

Series 1630 Large Diaphragm Pressure Switches

Visual Set Point Adjustment in 5 Standard Ranges, 0.05" to 12" w.c. Repetitive Accuracy within ±1%

On the Series 1630 Large Diaphragm Pressure Switch our highest precision conventional pressure switch provides maximum dependability. In addition, it incorporates a visible set point indicator for maximum convenience. UL and CSA listed, FM approved for general service. Electrical capability of 15 amps handles most small electrical loads. For use only with air or compatible gases.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Product Applications

  • Damper positioning
  • Duct air control
  • Air conditioning
  • Industrial service
  • Visible set point indicator simplifies operation and trouble shooting
  • Large diaphragm provides low range accuracy providing precise control
  • Current loads of up to 15 amps supports most small electrical loads supporting a broader range of HVAC and Process applications without the need for additional relays and components

Specifications

Series
1630 Large Diaphragm Pressure Switches
Category/Type
Pressure
Type
Differential Pressure
Series
1630 Large Diaphragm Pressure Switches
Service
Air and non-combustible; compatible gases.
Wetted Materials
Consult factory.
Temperature Limits
-30 to 110°F (-34.4 to 43.3°C).
Pressure Limits
10 psig (68.95 kPa) continuous; 25 psig (172.4 kPa) surge.
Switch Type
SPDT.
Repeatability
±1%.
Electrical Rating
15 A @ 120-480 VAC; 60 Hz. Resistive; 1/8 HP @ 125 VAC; 1/4 HP @ 250 VAC; 60 Hz.
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 with enclosed scale.
Weight
3 lb 3 oz (1.50 kg).
Agency Approvals
CSA; FM; UL.

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