Dwyer Instruments A3000-00-Tamp
Photohelic Press.Switch/Gage, 0-.25"W.C.w/Tamper-Proof Knobs

Order #: A3000-00-TAMP

Mfg #: A3000-00-TAMP

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(800) 633-0561
$639.75

Dwyer Instruments A3000-00-Tamp

Photohelic Press.Switch/Gage, 0-.25"W.C.w/Tamper-Proof Knobs

Order #: A3000-00-TAMP

Mfg #: A3000-00-TAMP

$639.75
Availability: Ships in 3-4 weeks
This product is available for shipping to the United States and Canada only.
This product is available for shipping to the United States and Canada only.
This product is available for shipping to the United States and Canada only.

Product Highlights

  • Bezel and front cover (with set point knobs and zero adjustment screw) removed to expose Photohelic® switch/gage set point mechanism
  • Cover is clear polycarbonate plastic
  • Gage pointer and light shutter are mounted on helix and balancing counterweight, Shutter passes through slot in optical limit switch to expose phototransistors to integral infrared light source or mask them depending on applied pressure
  • Light shield effectively protects phototransistors from strong outside light sources yet allows free pointer movement
  • Optical limit switches are used for reliability and long service life. Attached directly to set pointers, they are individually aligned to assure precise switching accuracy
  • Semi-Flexible drive shaft connects to set point knobs
  • Zero adjustment screw connects to screw in cover to adjust zero pressure reading
  • Plastic enclosure protects electronic components and electrical connections
  • Glass epoxy printed circuit boards for durability and permanence
  • Load relays are DPDT with latching feature for maximum application versatility
  • Electronics are designed to operate on 50/60 Hz, 120 volt current with 10% over or under voltage
  • Switch set pointers show switch settings at all times
  • Spring loaded friction clutch prevents operator damage of set point mechanism
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