Dwyer A3000-60PA Photohelic Pressure Switch Gauge Range 0-60 Pa.

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Dwyer A3000-60PA Photohelic Pressure Switch Gauge Range 0-60 Pa. Specification

Usage
Air and non-combustible, compatible gases

Size
4" (101.6 mm) dial face,5 x 8" (127 x 209.55 mm)

Product Type
Dwyer A3000

Weight
4 lb (1.81 kg) Kilograms (kg)

Scale Range
A3000-60PA Range 0-60 Pa.

Measure Pressure Of
Gas

Dwyer A3000-60PA Photohelic Pressure Switch Gauge Range 0-60 Pa. Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash on Delivery (COD), Cheque, Letter of Credit (L/C), Western Union, Paypal, Letter of Credit at Sight (Sight L/C), Cash Against Delivery (CAD), Telegraphic Transfer (T/T), Delivery Point (DP), Days after Acceptance (DA), Cash in Advance (CID), Cash Advance (CA)

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
EXTRA

Main Export Market(s)
Western Europe, Asia, Australia, Central America, North America, South America, Eastern Europe, Middle East, Africa

Main Domestic Market
Himachal Pradesh, Pondicherry, Uttarakhand, Daman and Diu, Dadra and Nagar Haveli, Lakshadweep, Chandigarh, South India, North India, East India, Andaman and Nicobar Islands, Andhra Pradesh, Assam, Arunachal Pradesh, Goa, Jammu and Kashmir, Jharkhand, Karnataka, Kerala, Maharashtra, Mizoram, Meghalaya, Manipur, Nagaland, Punjab, Rajasthan, Sikkim, Tamil Nadu, Tripura, Odisha, Haryana, Delhi, Gujarat, West Bengal, Madhya Pradesh, Bihar, Telangana, Central India, Uttar Pradesh, West India, Chhattisgarh, All India

Certifications
YAS

About Dwyer A3000-60PA Photohelic Pressure Switch Gauge Range 0-60 Pa.

Dwyer A3000-60PA Photohelic Pressure Switch Gauge Range 0-60 Pa.

Dwyer A3000-60PA-240VAC Photohelic Pressure Switch/Gauge (0-60 Pa), 220/240 VAC Relay Pack

Model: A3000-60PA-240VAC

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.

Dwyer A3000-60PA-240VAC Series A3000 Photohelic Pressure Switch 0 to 60 PA

The Dwyer A3000-60PA-240VAC has a range from 0-60 Pa and 220/240 VAC Relay Pack.

Photohelic Switch/Gauges function as versatile, highly repeatable pressure switches combined with a precise pressure gauge employing the time-proven Magnehelic gauge 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 gauge 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. Gauge 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) w.c. up to 30 psi (21 bar); single positive pressure to 6000 psig (413 bar).

Photohelic Sensing - How It Works

In 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.

Dwyer A3000-60PA Specifications

Switch Specifications

Switch Type: Each set point has 2 Form C relays (DPDT)
Repeatability: 1% of FS
Electrical Rating: 10 A at 28 VDC,10 A at 120,240 VAC
Electrical Connections: Screw terminals. Use 167F (75C) copper conductors only
Power Requirements: 120 VAC, 50/60 Hz,240 VAC and 24 VAC power optional
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations
Set Point Adjustment: Adjustable knobs on face
Agency Approvals: CE, CSA, UL

Gauge Specifications

Service: Air and non-combustible, compatible gases
Accuracy: 2% of FS at 70F (21.1C),3% on -0,4% on -00 models
Pressure Limits: -20" Hg to 25 psig (-0.677 to 1.72 bar),MP option; 35 psig (2.41 bar),HP option; 80 psig (5.52 bar)
Temperature Limits: 20 to 120F. (-6.67 to 48.9C),-20 to 120F (-28 to 48.9C) with low temperature option
Process Connections: female NPT
Dimensions: 4" (101.6 mm) dial face,5 x 8" (127 x 209.55 mm)
Weight: 4 lb (1.81 kg)