Dwyer DA/DS Pressure Switches
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DA / DS

Dwyer Instruments

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Features

  • Pressure ranges up to 8000 psi (551.6 bar)
  • Brass, 403 SS, or 316 SS wetted materials
  • On/off indication
  • Adjustable or fixed deadband
  • External switch setpoint

The Dwyer DA/DS Pressure Switches have extremely high sensitivity and great repeatability. The 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. The DS Models are equipped with a single external adjustment for setting operating point only. For mercury-free switches, choose between the snap action switch or hermetically sealed snap action switch. Hermetically sealed mercury switch also available.

Applications for the DA/DS Series include:

  • Compressors
  • Mechanical HVAC or process equipment
  • Pump control
Dwyer 33-25 Mounting Bracket
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6 ft copper, 2500 psig max. and 12 ft. 316SS, 3000 psig max. types available
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