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Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge
Dwyer A3000-15CM Photohelic Pressure Switch Gauge
Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge Dwyer A3000-15CM Photohelic Pressure Switch Gauge

Dwyer A3000-15CM Photohelic Pressure Switch Gauge

45000 INR/Piece

Product Details:

  • Display 4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm)
  • Size 4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm)
  • Usage Air and non-combustible, compatible gases
  • Product Type Dwyer A3000-15CM Photohelic Pressure Switch Gauge Range 0-15 cm w.c
  • Weight 4lb(1.81 kg) Kilograms (kg)
  • Color Black
  • Material Metal Alloy
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Dwyer A3000-15CM Photohelic Pressure Switch Gauge Price And Quantity

  • 5 Piece
  • 45000 INR/Piece

Dwyer A3000-15CM Photohelic Pressure Switch Gauge Product Specifications

  • Steam Oil Gas
  • Standard
  • Black
  • Metal Alloy
  • 4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm) Inch (in)
  • Matte Polished Galvanized Antique
  • 2% of FS at 70F (21.1C) %
  • 4lb(1.81 kg) Kilograms (kg)
  • Range 0-15 cm w.c
  • Dwyer A3000-15CM Photohelic Pressure Switch Gauge Range 0-15 cm w.c
  • Panel
  • 4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm)
  • 4"(101.6 mm)
  • Air and non-combustible, compatible gases
  • 4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm)

Dwyer A3000-15CM Photohelic Pressure Switch Gauge Trade Information

  • Delhi
  • Cash on Delivery (COD) Cash Against Delivery (CAD) Cash in Advance (CID) Cash Advance (CA)
  • 5-6 Piece Per Week
  • 5-6 Week
  • Middle East Asia
  • Dadra and Nagar Haveli Chandigarh Andaman and Nicobar Islands Uttarakhand Daman and Diu Lakshadweep South India Nagaland East India Andhra Pradesh Assam Arunachal Pradesh Bihar Goa Jammu and Kashmir Jharkhand Karnataka Kerala Madhya Pradesh Maharashtra Mizoram Meghalaya Manipur Punjab Pondicherry Rajasthan Sikkim Tamil Nadu Tripura West Bengal Haryana Delhi Gujarat North India Telangana Central India Odisha Uttar Pradesh West India Chhattisgarh Himachal Pradesh All India
  • Websites : www.dpengineers.in www.dpengineer.in www.dpengineers.co.in www.dpengineer.co.in www.dpengineersindia.com www.dpengineerindia.com www.dpengineersindia.in www.dpengineers.info www.dpengineer.info www.dp-engineers.com www.dpengineerindia.in www.dpengineersindia.net www.dpengineersdelhi.co.in www.dpengineersdelhi.com www.dpengineersdelhi.net

Product Description

Dwyer A3000-15CM Photohelic Pressure Switch Gauge Range 0-15 cm w.c.

Dwyer, A3000-15CM A3000 120 VAC Pressure Switch/Gage

Range: 0-15 cm w.c.,Power: 120 VAC

Brand: Dwyer

Part: A3000-15CM

Model:A3000 Photohelic

Condition: Brand New

Dwyer,A3000-15CM, A3000 Photohelic 120 VAC Pressure Switch/Gage, Range 0-15 cm w.c.

3-in-1 Indicating Gage, Lo-limit and Hi-limit Control

Photohelic Switch/Gages function as versatile, highly Repeatable Pressure Switches combined with a precise Pressure Gage employing the time-proven Magnehelic Gage design. The Photohelic switch/gage measures and controls positive, negative or differential pressures of air and compatible gases. Two phototransistor actuated, DPDT relays are included for low/high limit control. Easy to adjust set point indicators are controlled by knobs located on the gage face. Individual set point deadband is one pointer width - less than 1% of full scale. Set points can be interlocked to provide variable deadband - ideal for control of fans, dampers, etc. Gage reading is continuous and unaffected by switch operation, even during loss of electrical power.

Photohelic Sensing - How It WorksIn typical applications, these Dwyer switch/gages control between high and low pressure set points. When pressure changes, reaching either set point pressure, the infrared light to the limiting phototransistor is cut off by the helix-driven light shutter. The resulting phototransistor signal is electronically amplified to actuate its DPDT slave relay and switching occurs. Dead band between make and break is 1% of full scale or less - just enough to assure positive, chatter-free operation.

Relay-Transformer Features A plastic housing protects all electronic components. Solid-state and integrated circuit electronics are on glass-epoxy printed circuit boards and self-extinguishing terminal boards.

Product Applications:Air Conditioner Systems,Clean Rooms,Fume Exhaust Systems

Features

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. It also gives interior a clean"finished" look.

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.Polycarbonate connection or terminal board is self-extinguishing.

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 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.Approvals

CSA Certified - Industrial Control Equipment

CSA Certified - Switches

Gage Specifications

Service:Air and non-combustible, compatible gases

Range:0-15 cm w.c.

Accuracy:2% of FS at 70F (21.1C)

Pressure Limits:-20" Hg. to 25 psig (-0.677 to 1.72 bar)

Temperature Limits:20 to 120F.(-6.67 to 48.9C)

Process Connections:1/8" female NPT

Size:4"(101.6 mm) dial face,5"(127 mm) O.D.x 8-1/4" (209.55 mm)

Weight:4lb(1.81 kg)

Switch Specifications

Switch Type:Each setpoint has 2 Form C relays (DPDT)

Repeatability:1% of FS

Electrical Rating:10A @ 28 VDC,10A @ 120,240 VAC

Electrical Connections:Screw terminals. Use 167F (75C) copper conductors only

Power Requirements:120 VAC,60 Hz

Mounting Orientation:Diaphragm in vertical position

Set Point Adjustment:Adjustable knobs on face

Agency Approvals:CE,CSA,UL

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