Dwyer A3020 Photohelic Pressure Switch Gauge Range 0-20 Inch w.c.

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Dwyer A3020 Photohelic Pressure Switch Gauge Range 0-20 Inch w.c. Specification

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

Usage
Air and non-combustible, compatible gases

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

Processing Type
Standard

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

Product Type
Series A3000

Weight
4 lb (1.81 kg) Kilograms (kg)

Scale Range
A3020 Range 0-20" w.c

Measure Pressure Of
Gas

Dwyer A3020 Photohelic Pressure Switch Gauge Range 0-20 Inch w.c. Trade Information

Minimum Order Quantity
1 Piece

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

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

Packaging Details
EXTRA

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

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

Certifications
YAS

About Dwyer A3020 Photohelic Pressure Switch Gauge Range 0-20 Inch w.c.

Dwyer A3020 Photohelic Pressure Switch Gauge Range 0-20 Inch w.c.

Dwyer A3020 Photohelic Pressure Switch/Gauge (0-20"w.c.)

Model: A3020

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 A3020 Offers

Features

Measure 4 to 20 mA signals without "breaking the loop"
Measure mA signals for PLC and control system analog I/O
Dual backlit display with both mA measurement and percent of 4 to 20 mA span
Measurement Spotlight illuminates hard to see wires in dark enclosures
Detachable clamp with extension cable for measurements in tight locations
Measure 10 to 50 mA signals in older control systems using the 99.9 mA range
Automatically change the 4 to 20 mA output for remote testing
Power saving features, auto-off, backlight timeout extend battery life
Hold function captures and displays changing measurements

Applications

Air Conditioner Systems
Clean Rooms
Fume Exhaust Systems

Dwyer A3020 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 167°F (75°C) 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 70°F (21.1°C),±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 120°F. (-6.67 to 48.9°C),-20 to 120°F (-28 to 48.9°C) with low temperature option
Process Connections: ? female NPT
Dimensions: 4" (101.6 mm) dial face,5 x 8¼" (127 x 209.55 mm)
Weight: 4 lb (1.81 kg)