Dwyer Photohelic Series A3000 Pressure Switch/Gauge, Range 0-3 kPa For Sale
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Dwyer Photohelic Series A3000 Pressure Switch/Gauge, Range 0-3 kPa:
$406.10
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Dwyer Photohelic Series A3000 Pressure Switch/Gauge, Range 0-3 kPa
Product Specification
- 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.
FeaturesPhotohelic 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. Standard models are rated to 25 psig (1.7 bar) with options to 35 (2.4) or 80 (5.5 bar) psig. Single pressure 36000S models measure to 6000 psig (413 bar) with a 9000 psig (620 bar) rating. 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. Choose from full scale pressure ranges from a low 0-.25\" (0-6 mm) WC up to 30 psi (21 bar); single positive pressure to 6000 psig (413 bar).Additional Information
- Manufacturer: Dwyer Instruments
- Shipping Weight: 445
- Product Dimensions:
Width: 6.70
Length: 10.50
Height: 5.50
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All our stock is at our US warehouse.Your item will be shipped by either DHL or UPS depending on the size/weight of the package and delivery location. We aim to ship orders within 24hours of processing your payment. Shipping is free. 30 day return or exchange policy for all our products. Only factory defects are accepted as the reason for product return. Returned item(s) must be returned with package completely intact, and all accessory(s) inside the package must be original condition.We do not pay for the postage costs for returned defective items.Items returned must be received within 30 days from purchase. No refund or replacement is issued after 30 day time period after purchase. Please allow up to 7 working days to process your returned item(s) after we receive it.We are extremely fair, and in the rare event of something unusual happening, we will gladly work with you to find a solution.We sell on since 2007. We are based in the US and ship from our own warehouses. Our products are 100% authentic and all brand new. We work with the biggest suppliers in the UK to bring you the best quality items!We guarantee to provide the best service.Customer satisfaction guaranteed!We offer a 100% Satisfaction Guarantee on all sales. If you are not happy with your purchase for any reason, please contact us within seven days of receipt of your item, or email us to share your concerns. We are extremely fair and will happily work with you to find a solution to any problem.We aim to maintain 100% response, and we want every single one of our customers to be a happy one. So in the rare case something does go wrong, before leaving a negative response, contact us so we can help make things right!In the rare event that you have an issue with your product or our service please contact us by email to share your concerns, we will respond within 24 hours to help to rectify the problem.
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