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Dwyer Instruments

The distinguished heritage of Dwyer Instruments is based on quality and reliability. The company stands as a major manufacturer of competitively priced controls and instrumentation for HVAC, chemical, food, oil and gas, and other industries. Dwyer’s popular brands and diversified products include the proven Magnehelic differential pressure gauges, as well as Photohelic pressure switch/gauges and Rate Master flowmeters. Following decades of progress, Dwyer continues to move forward, continually introducing and updating its accurate instruments. Transcat carries an impressive inventory of Dwyer models, including the top of the line series of manometers, digital pressure gauges, differential pressure controllers, flow switches, air velocity meters and more.

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  1. Dwyer Instruments 16B-23-LV
    Dwyer Instruments 16B-23-LV 1/16 DIN Temperature/Process Controller, 2 outputs, low V
    Order #: 16B-23-LV
    Mfg #: 16B-23-LV
    Availability: Ships in 3-4 weeks
    $197.50
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    1/16 DIN Temperature/Process Controller, 2 outputs, low V Learn More
  2. Dwyer Instruments 16B-22
    Dwyer Instruments 16B-22 1/16 DIN Temperature/Process Controller, 2 V pulse outputs
    Order #: 16B-22
    Mfg #: 16B-22
    Availability: Please contact Transcat Customer Service for availability.
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    1/16 DIN Temperature/Process Controller, 2 V pulse outputs Learn More
  3. Dwyer Instruments 4C-3
    Dwyer Instruments 4C-3 1/4 DIN Temperature Controller relay output
    Order #: 4C-3
    Mfg #: 4C-3
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature Controller relay output Learn More
  4. Dwyer Instruments 4C-2
    Dwyer Instruments 4C-2 1/4 DIN Temperature Controller voltage pulse output
    Order #: 4C-2
    Mfg #: 4C-2
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature Controller voltage pulse output Learn More
  5. Dwyer Instruments 4B-63-LV
    Dwyer Instruments 4B-63-LV 1/4 DIN Temperature/Process Controller, 2 outputs, low V
    Order #: 4B-63-LV
    Mfg #: 4B-63-LV
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 outputs, low V Learn More
  6. Dwyer Instruments 4B-63
    Dwyer Instruments 4B-63 1/4 DIN Temperature/Process Controller, 2 outputs
    Order #: 4B-63
    Mfg #: 4B-63
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 outputs Learn More
  7. Dwyer Instruments 4B-53-LV
    Dwyer Instruments 4B-53-LV 1/4 DIN Temperature/Process Controller, 2 outputs, low V
    Order #: 4B-53-LV
    Mfg #: 4B-53-LV
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 outputs, low V Learn More
  8. Dwyer Instruments 4B-53
    Dwyer Instruments 4B-53 1/4 DIN Temperature/Process Controller, 2 outputs
    Order #: 4B-53
    Mfg #: 4B-53
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 outputs Learn More
  9. Dwyer Instruments 4B-33-LV
    Dwyer Instruments 4B-33-LV 1/4 DIN Temperature/Process Controller, 2 relay O/P, low V
    Order #: 4B-33-LV
    Mfg #: 4B-33-LV
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 relay O/P, low V Learn More
  10. Dwyer Instruments 4B-33
    Dwyer Instruments 4B-33 1/4 DIN Temperature/Process Controller, 2 relay outputs
    Order #: 4B-33
    Mfg #: 4B-33
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, 2 relay outputs Learn More
  11. Dwyer Instruments 4B-23-LV
    Dwyer Instruments 4B-23-LV 1/4 DIN Temperature/Process Controller, V & relay O/P,low V
    Order #: 4B-23-LV
    Mfg #: 4B-23-LV
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, V & relay O/P,low V Learn More
  12. Dwyer Instruments 4B-23
    Dwyer Instruments 4B-23 1/4 DIN Temperature/Process Controller, V & relay outputs
    Order #: 4B-23
    Mfg #: 4B-23
    Availability: Please contact Transcat Customer Service for availability.
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    1/4 DIN Temperature/Process Controller, V & relay outputs Learn More
  13. Dwyer Instruments 3868-0160
    Dwyer Instruments 3868-0160 Tell Tale Jr. Open Heater Detector, external, red LED
    Order #: 3868-0160
    Mfg #: 3868-0160
    Availability: Please contact Transcat Customer Service for availability.
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    Tell Tale Jr. Open Heater Detector, external, red LED Learn More
  14. Dwyer Instruments 3868-0140
    Dwyer Instruments 3868-0140 Tell Tale Jr. Open Heater Detector, logic output, no LED
    Order #: 3868-0140
    Mfg #: 3868-0140
    Availability: Please contact Transcat Customer Service for availability.
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    Tell Tale Jr. Open Heater Detector, logic output, no LED Learn More
  15. Dwyer Instruments 3868-0130
    Dwyer Instruments 3868-0130 Tell Tale Jr. Open Heater Detector, triac output, no LED
    Order #: 3868-0130
    Mfg #: 3868-0130
    Availability: Ships in 3-4 weeks
    $153.00
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    Tell Tale Jr. Open Heater Detector, triac output, no LED Learn More
  16. Dwyer Instruments 16B-23
    Dwyer Instruments 16B-23 1/16 Din Temp/Process Controler 1 Volt.Pulse Relay Output
    Order #: 16B-23
    Mfg #: 16B-23
    Availability: Please contact Transcat Customer Service for availability.
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    1/16 Din Temp/Process Controler 1 Volt.Pulse Relay Output Learn More
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