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Product Specifications:
| Item | Differential Pressure Switch |
| Application | HVAC |
| Approx Deadband Max. Set Point | 0.3 |
| Approx Deadband Min. Set Point | 0.3 |
| Connection Size | 1/8" |
| Connection Type | NPT |
| Contact Form | SPDT |
| Continious Pressure | 2.41 Bar |
| Electrical Connection | 3 Screw Type, Common, Normally Open, Normally Closed |
| Electrical Connection Type | Screw Terminals |
| Electrical Rating | 1/4 Hp @ 250V AC, 15A @ 125, 250, 480V AC, 60 Hz, Resistive 1/8 Hp @ 125V AC |
| Enclosure Rating | NEMA 3, NEMA 7, NEMA 9 |
| For Pressure Type | Differential |
| Housing Type | Standard Housing |
| Ip Rating | IP54 |
| Maximum Operating Temperature | 140°F |
| Maximum Pressure Rating | 35 psi |
| Minimum Operating Temperature | -40°F |
| Mounting Hole Center To Center Distance | 3/8" |
| Mounting Hole Diameter | 1/4" |
| Mounting Orientation | Vertical |
| Number Of Switches | 1 |
| Operating Range | 0.5 psi to 2 psi |
| Operating Temp. Range | -40°F to +140°F |
| Overall Depth | 1 3/4" |
| Overall Height | 3 1/2" |
| Overall Width | 1 1/2" |
| Power Requirement | 15A At 120-480V AC |
| Pressure Range | 0.5 psid to 2 psid |
| Pressure Set Point | 0.5 psid to 2 psid |
| Product Datasheet | dwyer-instruments-1950p-2-2f.pdf |
| Product Type | Differential Pressure Switch |
| Sample Line Connection Size | 1/8" |
| Sample Line Connection Type | NPT |
| Sample Line Connector Type | NPT |
| Surge Pressure | 3.45 Bar |
| Switch Type | SPDT |
| Switch Voltage | 120-480/125/250v ac |
| Switching Differential | 0.5 psid |
| Type Of Set Point | Adjustable |
Shipping Info:
| Ship weight (kg) | 0.61 |
| Ship height (cm) | 11.03 |
| Ship length (cm) | 19.69 |
| Ship width (cm) | 11.03 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Operating Range | Connection Type | Approx Deadband Max. Set Point | Approx Deadband Min. Set Point | Ip Rating | Contact Form | Mounting Orientation | Enclosure Rating | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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1950-0-2F | 0.15 in. wc to 0.5 in. wc | FNPT | 0.15 | 0.1 | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €592.65 | |
![]() |
1950-10-2F | 3" to 11" | NPT | 0.5 | 0.4 | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €584.82 | |
![]() |
1950-5-2F | 1 2/5" to 5 1/2" | NPT | 0.4 | 0.3 | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €582.78 | |
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1950P-15-2F | 3 psi to 15 psi | - | - | - | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €600.69 | |
![]() |
1950-00-2F | - | - | - | - | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €587.65 | |
![]() |
1950-20-2F | - | - | - | - | IP54 | SPDT | Vertical | NEMA 3, NEMA 7, NEMA 9 | €578.02 |
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DWYER INSTRUMENTS 1950P-2-2F Differential Pressure Switch, 0.5 to 2 PSI Range
€619.25 /unit


