Dwyer Mercoid DA Snap Action Bourdon Tube Pressure Switches

The Dwyer Mercoid DA/DS series has extremely high sensitivity and great repeatability. Adjustable deadband DA models are equipped with two external adjustments, one for setting high pressure operating point, the other for setting low pressure operating point. Deadband, the difference between high and low setpoints, is adjustable over the full-scale.

• Ideal for use in compressors, pump control, and mechanical HVAC or process equipment.
• Pressure ranges from full vacuum to 8000 PSIG
• Also available in DS fixed deadband switch
• Visible calibrated dial lets you check the switch without opening the case
• Adjustable deadband reduces equipment wear-out by unnecessary recycling
• External switch setpoint adjustments reduces set-up time
• UL listed, CSA approved standard; FM approval available to meet the needs of rigorous process applications and regulations
• General purpose, weatherproof or explosion-proof enclosures for indoor or outdoor use

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.