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solid-state pressure switch / industrial
solid-state pressure switch
3600

... Ideal for Off-Highway, Mobile, Medical Gas Demanding Industrial Applications Fully Hermetically Sealed Built using our proven thin film sensing technology, 3600 Series solid-state pressure ...

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GEMS SENSORS & CONTROLS
air pressure switch / mechanical / OEM / low-pressure
air pressure switch
PS11 series

Process temperature: -40 °C - 121 °C
Pressure range: 0 bar - 1 bar

For low pressure applications, the longevity of our PS11 series pressure switch is hard to beat. A life expectancy of 1 million cycles means long-term reliability. Their snap-action microswitch ...

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GEMS SENSORS & CONTROLS
air pressure switch / diaphragm / OEM / compact
air pressure switch
PS31/PS51, PS32/PS52 series

Process temperature: -40 °C - 110 °C
Pressure range: 0 bar - 20 bar

The PS31 Pressure Switch, formerly the PMLA Model, is recommended for low temperature Pneumatic Applications. It comes with a factory setting but can be adjusted. It is made with metal blade contacts ...

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GEMS SENSORS & CONTROLS
diaphragm pressure switch / miniature
diaphragm pressure switch
PS41 series

Process temperature: -23 °C - 121 °C
Pressure range: 0 bar - 7 bar

This pressure switch is part of the PS41 series of products, being one of the most economical pressure switches on the market. In terms of the specifications, the operating pressure ...

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GEMS SENSORS & CONTROLS
oil pressure switch / for air / piston / for hydraulic applications
oil pressure switch
PS61 series

Process temperature: -54 °C - 135 °C
Pressure range: 0.7 bar - 300 bar

... Controls' PS61 Subminiature Pressure Switch family is designed for OEM applications. It is available with enhanced ingress protection (IP) to IPX7, IPX9K, and IP6KX and integral electrical connections. ...

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GEMS SENSORS & CONTROLS
electronic pressure switch / for compressors / for pumps / for hydraulic applications
electronic pressure switch
PSD-4

Process temperature: -20 °C - 80 °C
Pressure range: 0 bar - 1000 bar

Leading in design and functionalityThe model PSD-4 pressure switch represents the extensive further development of the PSD-30 pressure switch, itself already awarded ...

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WIKA Alexander Wiegand SE & Co. KG
air pressure switch / for water / for oil / differential
air pressure switch
PSM-520

Process temperature: -25 °C - 80 °C
Pressure range: -0.4 bar - 30 bar

... site Protection cap for switch point adjustment Description The PSM-520 is used in industrial control, monitoring and alarm applications. The switch point can be specified by the ...

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WIKA Alexander Wiegand SE & Co. KG
SF6 pressure switch
SF6 pressure switch
GDS-MV

Process temperature: -40 °C - 80 °C
Pressure range: 5 bar

... switchgear For the use in ring main unitsSpecial Features Density switch with reference chamber and gas compensation. Without influence of altitude and atmospheric pressure change; no recalibration necessary

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WIKA Alexander Wiegand SE & Co. KG
SF6 pressure switch
SF6 pressure switch
GDS-HV

Process temperature: -40 °C - 80 °C
Pressure range: 4 bar - 7.5 bar

... Density switch with reference chamber and gas compensation. Micro switch inside the reference chamber; without influence of atmospheric pressure change and altitude; no recalibration ...

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WIKA Alexander Wiegand SE & Co. KG
liquid pressure switch / flush diaphragm / electronic / for compressors
liquid pressure switch
PSD-30, PSD-31

Process temperature: -20 °C - 85 °C
Pressure range: 0 bar - 600 bar

This electronic pressure switch is perfectly suited for a wide range of applications to include pneumatics, hydraulics, machine tools, compressors, pumps and machine building. It comes with an extensive ...

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WIKA Alexander Wiegand SE & Co. KG
differential pressure switch / relative
differential pressure switch
PNI02 series

Process temperature: -25 °C - 80 °C
Pressure range: 0 bar - 250 bar

... comparison of set/actual values directly in the sensor Automatic adjustment of the switch point Clearly visible LED display Efficient differential pressure monitoring

electronic pressure switch / OEM
electronic pressure switch
MEP 2250 series

Pressure range: 0 bar - 400 bar

MEP 2250, Electronic pressure switch, dual outputMEP 2250 is designed for use in severe OEM applications and has excellent long term stability with zero drift. MEP 2250 has a dual output with switch ...

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Danfoss Industrial Automation
electronic pressure switch / OEM
electronic pressure switch
MEP 2650 series

Pressure range: 0 bar - 250 bar

MEP 2650, Electronic pressure switch, single outputMEP 2650 is designed for use in severe OEM applications and has excellent long term stability with zero drift. MEP 2650 has a single output: switch ...

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Danfoss Industrial Automation
steam pressure switch / bellows / increased safety / IP65
steam pressure switch
BCP

Process temperature: -20 °C - 70 °C
Pressure range: 0 bar - 63 bar

... installations with critical safety reasons. The controllers come as high and low pressure limiters as well as pressure controllers from low pressure BCP1 with narrow differential ...

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Danfoss Industrial Automation
steam pressure switch / differential / adjustable / IP66
steam pressure switch
RT

Process temperature: -20 °C - 65 °C
Pressure range: 0 bar - 42 bar

... the marine and industrial sectors and has been in service for more than 60 years. To continue, this top of the line RT single pressure switches series include a variety of controls like the neutral zone ...

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Danfoss Industrial Automation
steam pressure switch / differential / IP66 / IP54
steam pressure switch
RT TÜV

Process temperature: -40 °C - 70 °C
Pressure range: 0 bar - 25 bar

A number of control options are available with the RT series of single pressure switches: safety pressure for neutral zones, safety pressure for steam boiler plants and fail-safe controls ...

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Danfoss Industrial Automation
liquid pressure switch / diaphragm / adjustable / compact
liquid pressure switch
0166

Pressure range: 100 mbar - 50000 mbar

... maximum voltage 42 V - Most cost-effective solution for mechanical pressure monitoring - Stable switching point even after long use and high load - Switching point can be adjusted - High pressure resistance, ...

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SUCO
mechanical pressure switch
mechanical pressure switch
Plus

... of mechanical pressure switches is often limited by their construction method and functional principle. The SUCO pressure switches PLUS offer intelligent and innovative electronic functions broaden the ...

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SUCO
piston pressure switch / adjustable / IP65
piston pressure switch
0183

Pressure range: 100 bar - 300 bar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
diaphragm pressure switch / adjustable / stainless steel / IP65
diaphragm pressure switch
0186

Pressure range: 500 mbar - 100000 mbar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
piston pressure switch / adjustable / stainless steel / IP65
piston pressure switch
0187

Pressure range: 50 bar - 200 bar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
air pressure switch / differential / with digital display / IP65
air pressure switch
600, 640 series

Process temperature: 0 °C - 50 °C
Pressure range: -1 bar - 10 bar

... digital pressure switch is provided with two compressed air ports placed at the back and on the bottom. It is designed with an LED video that displays the pressure value and keypad that ...

air pressure switch / mechanical / modular / miniature
air pressure switch
SY series

Process temperature: -10 °C - 50 °C
Pressure range: 15, 13 bar

The manufacturers of Syntesi® pressure switches have greatly reduced their scale with their improved and attractive design. These switches involve modules in which they can be installed facing either up or down. These ...

air pressure switch / mechanical / miniature / modular
air pressure switch
PS x00 series

Process temperature: -10 °C - 50 °C
Pressure range: 13, 15 bar

Skillair® pressure switches represent attractive, high degree of miniature and standard modular design for easy facing up or down installation. The switches come ready assembled with a 2-metre cable or an M8 connector ...

air pressure switch / diaphragm / miniature / IP65
air pressure switch

Process temperature: 50 °C
Pressure range: 0.5 bar - 15 bar

This type of pressure switch features a high degree of miniaturisation and a modern attractive design. It can be installed in any position and also mounted onto a wall by means of two transversal holes. ...

diaphragm pressure switch / adjustable / IP65 / IP54
diaphragm pressure switch
PM series

Process temperature: -5 °C - 60 °C
Pressure range: 1 bar - 10 bar

... R1/8, G1/4, M5 and tube 4/2, depending on the chosen product series, while the operating pressure has a value of -5 to 60 degrees Celsius. The operating pressure is between 1 and 10 bar, while the ...

diaphragm pressure switch / differential / industrial / OEM
diaphragm pressure switch
B series

Process temperature: -19 °C - 65 °C
Pressure range: 0 psi - 3000 psi

... designed by Ashcroft for various industrial and OEM applications, so if users are running such a project, this is a product they should not miss. The enclosure is NEMA 4X, rated IP66, and there is a large choice of switch ...

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ASHCROFT
liquid pressure switch / diaphragm / differential / industrial
liquid pressure switch
B series

Process temperature: -19 °C - 65 °C
Pressure range: 0 psi - 3000 psi

... Ashcroft is composed of various products and can be used with various industrial applications and processes. In addition to this, the enclosure is IP66 certified and there is a choice of switch elements, ...

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ASHCROFT
differential pressure switch / industrial / OEM / for the chemical industry
differential pressure switch
GP series

Process temperature: 0 °F - 300 °F
Pressure range: 0 psi - 3000 psi

The Type G Series Nema 4 Pressure Switches Watertight 316 SS Enclosure by ASHCROFT. It is designed and develop as pressure switches. It is made according to NEMA 4X, IP65 enclosure specifications with ...

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ASHCROFT
liquid pressure switch / diaphragm / OEM / for the chemical industry
liquid pressure switch
F series

Process temperature: 0 °F - 200 °F
Pressure range: 0 Pa - 27579029.17 Pa

The Type F series of compact pressure switches features many convenient points. It uses a diaphragm-sealed piston actuator to keep it active and a watertight aluminum body to keep it ready for more functions. It also ...

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ASHCROFT
differential pressure switch / industrial / OEM / for the chemical industry
differential pressure switch
LP series

Process temperature: 0 °F - 300 °F
Pressure range: 0 psi - 3000 psi

Ashcroft® Type L Series pressure switches can be easily integrated into any process, industrial and OEM applications. This broad switch series features NEMA 4X watertight enclosure rated ...

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ASHCROFT
mechanical pressure switch / adjustable
mechanical pressure switch
PM1 series

Process temperature: -20 °C - 80 °C
Pressure range: -0.9 bar - 16 bar

The PM1 series is a very compact pressure switch for measuring compressed air and non-aggressive gases. The PM1 is available with the pressure ranges 0.2–16 bar, -0.9–0 bar or -0.9–1 ...

gas pressure switch / electronic / with digital display / IP65
gas pressure switch
PST

Process temperature: 0 °C - 50 °C
Pressure range: -2000 mbar - 2000 mbar

... sensors have ABS housing (IP 65 protection), a 10-digit LCD display and red LED in front. Configuration is by software or DIP switch. This sensor is easily and quickly mounted using the 1/4 turn system and wall mount ...

mechanical pressure switch / increased safety
mechanical pressure switch
PS 113 A/PS 115

Process temperature: 0 °C - 90 °C
Pressure range: 50 Pa - 200000 Pa

For accurate gas-type independent pressure measurement of venting procedures Easy to integrate Including connection cable Flange size: DN 16 ISO-KF Rugged construction Dependable long-term ...

mechanical pressure switch / adjustable
mechanical pressure switch
PS 115

Process temperature: 5 °C - 90 °C
Pressure range: 50 Pa - 200000 Pa

Adjustment range 0.5-2000 mbar For use with SV 110 Can also be used with differential pressure Flange size: DN 16 ISO-KF Rugged construction Dependable long-term operation

oil pressure switch / mechanical / for central lubrication units
oil pressure switch
DSB series

Process temperature: -25 °C - 80 °C
Pressure range: 300 bar

... astonishing pressure switch is directly incorporated to the lubricant line. the cul-de-sac may become a blockage, or harden after some time leaving the pressure switch ...

oil pressure switch / piezoresistive / for central lubrication units
oil pressure switch
DSA series

Process temperature: 10 °C - 60 °C
Pressure range: 1 bar - 30 bar

Typically, pressure switches can be used for oil, lubricants and fluid grease. However, when grease is used, a specific model of pressure switch is required to prevent hardening near ...

piezoresistive pressure switch / for central lubrication units / with digital display
piezoresistive pressure switch
DSC series

Process temperature: -10 °C - 80 °C
Pressure range: 100 bar

The analogue pressure gauge visually checks the pressure changes in centralized lubrication systems. In centralized lubrication system with piston distributors pressure build-up, pressure ...

air pressure switch / diaphragm / industrial
air pressure switch
DL...K series

Pressure range: 0.2 mbar - 150 mbar

The Diaphragm pressure switch comes with micro switch intended for regulating and monitoring air pressures on industrial/commercial fittings. The micro switch ...

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Elster GmbH
air pressure switch / diaphragm / industrial
air pressure switch
DL...E series

Pressure range: 0.2 mbar - 50 mbar

Diaphragm pressure switches with micro switch (silicone-free versions available) for monitoring air pressures on industrial and commercial installations, for positive ...

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Elster GmbH
air pressure switch / diaphragm / industrial
air pressure switch
DL..A series

Pressure range: 0.2 mbar - 150 mbar

... available: Pressure switch with gold-plated contacts for voltages of < 24 V, Pressure switch with pilot lamp, Pressure switch ...

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Elster GmbH
air pressure switch / diaphragm / for air conditioning
air pressure switch
CPS series

Pressure range: 20 Pa - 400 Pa

Diaphragm pressure switches with micro switch (silicone-free versions available) for monitoring air pressures on air-conditioning, ventilation and extraction systems, for positive pressure, ...

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Elster GmbH
gas pressure switch / diaphragm / adjustable
gas pressure switch
DG..C series

Pressure range: 2 mbar - 360 mbar

Diaphragm pressure switches with micro switch (silicone-free) for monitoring gas pressures on boilers, for positive pressure, for gas, also suitable for biologically ...

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Elster GmbH
electromechanical pressure switch
electromechanical pressure switch
MH Series

Honeywell's MH Series pressure switches are easily customizable, durable, reliable electromechanical pressure on/off switches. They boast the following specifications: Pressure switching ...

electromechanical pressure switch / rugged
electromechanical pressure switch
HP / HE / ME / LP / LE

... environmental sealing and high proof pressure and burst pressure ratings for use in many rugged applications requiring making or breaking of an electrical connection in response to a pressure ...

diaphragm pressure switch / adjustable / IP65
diaphragm pressure switch
0163 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 600 bar

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Suco VSE France
diaphragm pressure switch / adjustable
diaphragm pressure switch
0166 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 300 bar

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Suco VSE France
diaphragm pressure switch / adjustable
diaphragm pressure switch
0167 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 35 bar

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Suco VSE France
adjustable piston pressure switch
adjustable piston pressure switch
0169 series

Process temperature: -40 °C - 120 °C
Pressure range: 50 bar - 600 bar

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Suco VSE France
mechanical pressure switch / plug-in
mechanical pressure switch
0140, 0141 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.3 bar - 600 bar

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Suco VSE France
mechanical pressure switch / electronic / for hydraulic applications / adjustable
mechanical pressure switch
DG series

Pressure range: 1000 bar

The DG Pressure Switches from HAWE Hydraulik are capable of working on different settings, equipped with adjustable dials, main, secondary and screw-on pressure switches that gives the user a wide range ...

gas pressure switch / for liquids / for steam / differential
gas pressure switch
T 5335

Process temperature: 80 °C
Pressure range: 0.04 bar - 10 bar

Type 4738 differential pressure has process medium with a maximum permissible temperature of 80 degrees Celsius. Type 4738 is a limit switch that releases an electrical limit signal, used in controlling ...

gas pressure switch / for liquids / diaphragm / bellows
gas pressure switch
FX Series

Pressure range: 1000 bar

Version: relative, differential, absolute pressure Ranges: » From -1 to 1000 bar (relative pressure) » From 0 to 100 bar (differential pressure) Case: 316 Stainless Steel Sensing ...

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GEORGIN S.A.
gas pressure switch / for liquids / diaphragm / explosion-proof
gas pressure switch
P series

Process temperature: -50 °C - 600 °C
Pressure range: 0 bar - 1000 bar

The F/P series is an explosion proof pressure switch that is housed in a conventional enclosure. It is integrated with one or two single pole, double throw micro switches. This intrinsically safe device ...

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GEORGIN S.A.
gas pressure switch / differential / industrial / stainless steel
gas pressure switch
F series

Process temperature: -40 °C - 150 °C
Pressure range: 0 bar - 1000 bar

The F series features a wide array of electronic pressure switches that posses a relative pressure capacity of -1 to 1000 bar and a differential pressure capability ranging from 0 to ...

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GEORGIN S.A.
electronic pressure switch / relative / with display
electronic pressure switch
U series

Process temperature: -20 °C - 100 °C
Pressure range: 0.5 bar - 40 bar

The U series is manufactured by Georgin, and is an electronic pressure switch that has a pressure capacity that ranges from 0.5 bar up to 40 bar. Its enclosure is made of polyarylamide, ...

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GEORGIN S.A.
air pressure switch / diaphragm / differential / relative
air pressure switch
AIRGAS series

Process temperature: -20 °C - 80 °C
Pressure range: 0 bar - 1.1 bar

... relative and differential pressure Ranges: » From -500 to 1100 mbar (relative pressure) » From 0 to 1100 mbar (differential pressure) Case: Coated steel Sensing element: » NBR, ...

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GEORGIN S.A.
gas pressure switch / diaphragm / differential / electronic
gas pressure switch
ExBin-P

Process temperature: -20 °C - 50 °C
Pressure range: 0 Pa - 5000 Pa

... differential pressure switch type ExBin-P for HVAC systems with measurement range from 0 up to 5.000 Pa, e.g. for filter- or fan belt monitoring. - Low pressure measurement from 0-100 ...

air pressure switch / mechanical
air pressure switch

Process temperature: -10 °C - 85 °C
Pressure range: 30 bar - 330 bar

The end of line pressure switch composed of: - 1 block with 2 1/4" BSP inlet ports - 2 micro-switches - 2 pressure adjustment valves - 2 pressure gauges - 2 air ...

air pressure switch / mechanical / stainless steel
air pressure switch

Process temperature: -10 °C - 85 °C
Pressure range: 30 bar - 330 bar

... lock of the machine, when the pressure in line does not reach the set calibration value. The product composed of: - 1 block with 2 1/4" BSP inlet ports - 2 micro-switches - 2 pressure adjustment ...

air pressure switch / piston / IP54
air pressure switch
32911xx series

Process temperature: -20 °C - 70 °C
Pressure range: 0 bar - 240 bar

... differ one from the other for the pressure field within which you can make the calibration. Piston Type Specifications: - Change-over contacts 10A-110V AC- 0.6A- 110V DC - Protection IP54 - Max.safe pressure ...

gas pressure switch / for liquids / diaphragm / IP54
gas pressure switch

Process temperature: -30 °C - 120 °C
Pressure range: 0 bar - 300 bar

Pressure Switch These may be used to control the pressure of liquids, or gases. The expansion of the diagram actuates the contact. Specifications: - Max. Voltage 42V - Max. contact ...

How to choose this product

pressure-switch

A pressure switch controls and adjusts a hydraulic or pneumatic system. It reacts to a pressure threshold or setpoint. Activating an on-off output, such as a dry contact, directly governs a mechanism which reestablishes the desired pressure.

Applications

These devices are found in process control, for compressor or pump operation, in chemistry, automobiles, agribusiness, the energy industry, hydraulics, construction, refrigeration units and in oil and natural gas installations.

Technologies

Relative or absolute pressure gas, vapor or liquid switches have a single input. Differential models have two inputs. Such switches can be mechanical or electronic.

Mechanical switches use a diaphragm, a piston or a Bourdon tube. The output contact may be normally open (NO) or normally closed (NC). A calibration screw is used to adjust the setpoint. Hysteresis parameters are set by the manufacturer or are adjustable.

Electronic switches also act as pressure transmitters. They use strain gauge, capacitive, inductive or piezoelectric measurement methods. Setpoints are programmable; readings are transmitted by two-wire, four-20 mA current loop or a three-wire 0-10 V arrangement. They are temperature-compensated and more precise.

How to choose

Choice will depend on the switch's working pressure and adjustment ranges, hysteresis, ability to withstand excess pressure and degree of protection.