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Low Pressure Switch

Omega Engineering

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price

£50-£199.99 (2)
£200-£499.99 (1)
£500-£999.99 (2)

In Stock

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Category

Differential Pressure Mechanical Pressure Switch (4)
Installation Fitting (1)

Measurement Pressure, Max

0.5 inH₂O (5)
20 inH₂O (4)
10 inH₂O (3)
5 inH₂O (3)
2 inH₂O (3)
1 inH₂O (3)

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Measurement Pressure, Min

0.07 inH₂O (3)
3.0 inH₂O (3)
0.15 inH₂O (3)
4.0 inH₂O (2)
1.4 inH₂O (2)
0.4 inH₂O (2)

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Media Compatibility

Non-Corrosive Dry Gases (5)
Clean dry air / inert gas (5)
HVAC / room air (5)
Helium (5)
Nitrogen (5)
Inert / non-reactive gases (5)

Deadband

0.4 to 0.5 inH2O (2)
0.1 inH2O (1)
0.4 to 0.6 inH2O (1)
0.56 to 1.1 inH2O (1)
0.15 to 0.2 inH2O (1)
0.18 to 0.45 inH2O (1)

0.4 to 0.5 inH2O (2)
0.1 inH2O (1)
0.4 to 0.6 inH2O (1)
0.56 to 1.1 inH2O (1)
0.15 to 0.2 inH2O (1)
0.18 to 0.45 inH2O (1)
0.05 inH2O (1)
0.3 inH2O (1)
0.1 to 0.12 inH2O (1)
0.3 to 0.4 inH2O (1)
0.4 inH2O (1)
0.3 psi (1)
0.1 to 0.15 inH2O (1)
0.15 to 0.16 inH2O (1)
1 psi (1)
0.14 to 0.28 inH2O (1)
0.7 psi (1)
0.04 to 0.05 inH2O (1)
0.04 inH2O (1)
0.06 inH2O (1)
0.35 to 0.7 inH2O (1)
1 to 1.5 psi (1)
0.08 inH2O (1)
0.9 psi (1)
1.3 to 3 inH2O (1)

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Division

0.1 inH2O (1)
0.1 kPa (1)
5 Pa (1)
0.5 cmH2O (1)
2 Pa (1)
0.2 mmH2O (1)

0.1 inH2O (1)
0.1 kPa (1)
5 Pa (1)
0.5 cmH2O (1)
2 Pa (1)
0.2 mmH2O (1)
1 mmH2O (1)
0.05 inH2O (1)
0.02 kPa (1)
0.2 inH2O (1)
0.01 inH2O (1)
0 (1)
2 mmH2O (1)
1 inH2O (1)
0.02 inH2O (1)
10 Pa (1)
0.5 inH2O (1)
0.5 mmH2O (1)
2 inH2O (1)

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Switch Type

Selectable (4)
SPDT NO/NC (4)
SSR (1)
SPDT with Manual Reset (1)
(2) DPDT (1)

compliance

CE (5)
RoHS3 (5)

Accuracy

± 3 % (2)
± 2 % (2)
± 4 % (2)

Switch Rating

15 A @ 120-480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac (2)
10 A @ 28 Vdc, 10 A @ 120, 240 Vac (1)
20 to 280 Vac, 0.01 mA to 1 A (1)
Mica silver (STD) and phenolic silver: 15A @ 125, 250, 480 Vac, 1/8 HP @ 125 Vac, 1/4 HP @ 250 Vac; Phenolic gold: 1A @ 125 Vac (1)
1 A @ 30 Vdc, 0.3 A @ 110 Vdc / 0.5 A @ 125 Vac (1)

Electrical Connection

Screw Terminal (4)
Cable (1)
7/8 in knockout with Screw Terminal block (1)

sku_FM

true (2)

Operating Temperature, Max

180.0 °F (2)
120.0 °F (2)
140.0 °F (1)

-20 inHg to 25 psi (2)
Up to 45 inH2O (2)
Up to 10 psi (1)

Operating Temperature, Min

-30.0 °F (2)
20.0 °F (2)
-40.0 °F (1)

Low Pressure Switch

Grid Table

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Products(5)
Manuals(100)
Articles(1)

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Series-1900

Compact Low Differential Pressure Switch, 0.07-20 inH2O, UL/CE/CSA/FM

Compact Low Differential Pressure Switch, 0.07-20 inH2O, UL/CE/CSA/FM

Compact Low Differential Pressure Switches

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Series-1950

Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O

Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O

The Series 1950 Explosion-Proof Differential Pressure Switch features a durable weatherproof housing, external set point adjustment, and is ideal for HVAC and process applications.

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Series-3000MR-3000MRS

Photohelic® Switch/Gages, Differential Pressure, 25 psig Max, Compact

Photohelic® Switch/Gages, Differential Pressure, 25 psig Max, Compact

The Photohelic® Switch/Gages offer precise differential pressure monitoring with easy-to-read analog displays. Compact and durable, they are suitable for various applications.

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Series-1800

Compact Low Differential Pressure Switch, 2% Repeatability, UL/CSA/FM Approved

Compact Low Differential Pressure Switch, 2% Repeatability, UL/CSA/FM Approved

Compact Low Differential Pressure Switches

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Series-A3000

A3000 Photohelic® Switch/Gages for Pressure Measurement up to 25 psig

A3000 Photohelic® Switch/Gages for Pressure Measurement up to 25 psig

The A3000 Photohelic® Switch/Gage combines reliable pressure measurement and control for air and compatible gases, ideal for HVAC and clean room applications.

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Products(5)
Manuals(100)
Articles(1)

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