Dwyer A3000 Photohelic Pressure Switch

  • NG # 02310-HW-DYWER-009

The Series A3000 Photohelic® Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. 

Manufactured By :
Dwyer
Need Help Ordering?
Call +88 01714243446

Stock
5 in stock

Custom Pricing

Get A Quote
Need Help Ordering?
Call +88 01714243446

Stock
5 in stock

Custom Pricing

Get A Quote

Overview

The Dwyer A3000 Photohelic Switch / Gauges function as versatile, highly repeatable pressure switches combined with a precise pressure gauge employing time-proven Magnehelic gauge design.

The A3000 measures and controls positive, negative or differential pressures of air and compatible gases. The A3000 can be ordered in ranges up to 150 inH2O, 30 psi, 8 kPa, 80 mmH2O, or 80 cmH2O and are accurate up to ±2% of FS at 70°F. Some bidirectional ranges are also available.

The Dwyer A3000 includes two phototransistor actuated, DPDT relays for low/high limit control. Easy to adjust set point indicators are controlled by knobs located on the gauge face. In typical applications, these Dwyer switch/gauges 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.

Specification

  • 3-in-1 Indicating Gauge, Lo-Limit and Hi-Limit Control
  • For use with air and non-combustible gases
  • Ranges: to 150 inH2O, 30 psi, 8 kPa, 80 mmH2O, or 80 cmH2O. Some bidirectional ranges available
  • Accuracy: up to ±2% of FS at 70°F
  • 1/8" female NPT process connection
  • Zero adjustment screw
  • 4" dial face
  • Pressure Switches: 2 Form C relays (DPDT) for each setpoint
  • Set Point Adjustment: Adjustable knobs on face
  • Repeatability: ±1% of FS
  • CE, CSA, UL approved. Optional-EXPL explosion-proof enclosure does not possess any agency approvals

Other Dwyer Products

Dwyer 1950 Pressure Switch

Dwyer Industrial Tools & Accessories 02305-HW-DYWER-004 1950-1-2F

Dwyer 475 Mark III Manometer

Dwyer Industrial Tools & Accessories 02304-HW-DYWER-003 475-0-FM

Dwyer TTE Temperature Transmitter

Dwyer Industrial Tools & Accessories 02302-HW-DYWER-001 TTE-104-W

Dwyer WMT2 Multi-Jet Water Meter

Dwyer Industrial Tools & Accessories 02306-HW-DYWER-005

Dwyer 605 Series Magnehelic Indicating Pressure Transmitters

Dwyer Industrial Tools & Accessories 02307-HW-DYWER-006 605-1

Dwyer 641 Air Velocity Transmitter

Dwyer Industrial Tools & Accessories 02306-HW-DYWER-005 641-6-LED

Dwyer 641RM Air Velocity Transmitter

Dwyer Industrial Tools & Accessories 02309-HW-DYWER-008 641RM-12

Dwyer DPGA and DPGW Pressure Gauges

Dwyer Industrial Tools & Accessories 02308-HW-DYWER-007 DPGA-11

Dwyer 2000 Series Magnehelic Pressure Gauges

Dwyer Industrial Tools & Accessories 02303-HW-DYWER-002 2000-50MM

BUYERS WHO LIKED THIS PRODUCT ALSO LIKED

KUKA Articulated robot KR IONTEC

KUKA Industrial Tools & Accessories 00125-HW-KU-022 00125-HW-KU-022

Keystone Pipe Handling Tools Beckets & Bails

KeyStone Industrial Tools & Accessories 00100-HW-KEY-001 00153-HW-KEY-053

Keystone Dual Flapper Check Valves

KeyStone Industrial Tools & Accessories 00100-HW-KEY-002 00154-HW-KEY-054

Type CD Drill Pipe Elevators API Spec 8A/8C For Drill Collar/Casing/Tubing

made in china Industrial Tools & Accessories 00400-HW-PIELV-004 00400-HW-PIELV-004

Coriolis flow transmitter CFT34A

Schneider Electric Industrial Tools & Accessories 00400-HW-SCH-066 CFT34A

Model 1200 In-Line Turbine Flow Meter

Badger Meter Industrial Tools & Accessories 0717-HW-BLA-002

FloClean Sanitary Turbine Flow Meter

Badger Meter Industrial Tools & Accessories 0718-HW-BLA-003

QuikSert® In-Line Turbine Flow Meter

Badger Meter Industrial Tools & Accessories 0719-HW-BLA-004

Blancett 900 Series Positive Displacement Flow Meter

Badger Meter Industrial Tools & Accessories 0720-HW-BLA-005

GF Signet 515 Rotor-X Paddle Wheel Flow Sensor

GF Signet Industrial Tools & Accessories 0721-HW-GFS-001

GF Signet 2537 Paddlewheel Flow Meter

GF Signet Industrial Tools & Accessories 0722-HW-GFS-002

GF Signet 2536 Rotor-X Paddle Wheel Flow Sensor

GF Signet Industrial Tools & Accessories 0723-HW-GFS-003
Your privacy

When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. This information might be about you, your preferences or your device and is mostly used to make the site work as you expect it to. The information does not usually directly identify you, but it can give you a more personalized web experience. Because we respect your right to privacy, you can choose not to allow some types of cookies. Click on the different category headings to find out more and change our default settings. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer. You can get more information by going to our Privacy Policy or Statement in the footer of the website.

Strictly necessary cookies
Always active

These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Cookies details
Performance cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. Most of these cookies collect and process aggregated (anonymized) information without identifying individuals. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Cookies details
Functional cookies

These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

Cookies details
Targeting cookies

These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

Cookies details