Pressure Switches
Gems Pressure Switch Selection
GEMS offers a choice of pressure switch devices and proximity sensor
units, from compact cylindrical models for OEM use, to larger, enclosed
units for rugged process applications. These pressure switch devices are
ideal for the filtering process of coolants in the machine tool industry,
use in transmissions of off-highway vehicles and as redundant systems
With existing monitors such as transducers.
For more information, see the manufacturer's site:
www.gemssensors.com/content.aspx?id=3198
Pressure Switch Gauge
PS11 Series - Ultra-Long Life Pressure Switches
 | For low pressure applications, the longevity of our PS11 Series is hard to beat. A life expectancy of 1 million cycles means long-term reliability. Their snap-action microswitch resets automatically and meets or exceeds industry standards. Brass housing offers chemical resistance at an affordable price. THIS MODEL FORMERLY NAMED PDPA/PDPF. |
PS41 Series
Economical Miniature Pressure Switches
These miniature pressure switches are designed for demanding
applications where space and/or price are strong concerns. The switches
utilize a piston/diaphragm design, which incorporates the high proof
pressure of piston technology with the sensitivity of diaphragm designs.
 | Switches are field adjustable via an Allen head screw that is hidden to protect against unauthorized tampering. THIS MODEL FORMERLY NAMED PDA/PDF/PDN/PS-E. |
PS71 Series
General Purpose Mini Pressure Switches
These versatile general purpose switches with snap action microswitches
can be used in a wide range of hydraulic and pneumatic applications.
Their proven piston / diaphragm design offers outstanding accuracy over
a very wide pressure range with an outstanding 9000 psi proof pressure.
Their modular construction allows Gems to offer a large number of
 | standard pressure fittings in two materials as well as numerous electrical ratings and terminations. Users can easily configure this model to meet their needs. THIS MODEL FORMERLY NAMED PDAH/PDFH/PHDA/PHDF/PS-EH. |
PS75 Series
Rugged Cylindrical Pressure Switch
Gems PS75 Series have all metal surfaces for overload stops and
deliver reliable operation under extremely high pressure surges. They
are designed with a wear disc and cushioning ring for increased life.
The switches use a piston/diaphragm design which combines the high
proof pressure of piston technology with the sensitivity of a diaphragm
 | design. They can be field or factory adjusted. THIS SWITCH FORMERLY KNOWN AS PACA/PFCA/PDCA/PDCF/PDCM/ PS-FA/PS-FB. |
PS77 Series
Economical Industrial Pressure Switch
Gems PS77 Series pressure switches incorporate a wear disc and
cushioning ring that provide resistance to pressure surges. The industrial
enclosure houses a SPDT 20 Amp switch featuring a deadband
 | adjustment. The switches use a piston/diaphragm design, which combines the high proof pressure of piston technology with the sensitivity of diaphragm designs. The switches can be field or factory set. THIS MODEL FORMERLY KNOWN AS PS-K/CFIS. |
PS31 Series, Kapton Diaphragm OEM Subminiature
Pressure Switch
These compact pressure switches are designed for OEM applications.
Made economical with metal blade contacts in lieu of microswitches, the
PS31 series features Kapton diaphragms. Kapton Polyimide maintains
 | excellent physical properties over a wide termperature range. It also offers superb chemical resistance with no known organic solvents. THIS MODEL FORMERLY KNOWN AS PMLA/PMLF/PS-JL. |
PS32 Series, Elastomer Diaphragm OEM Subminiature
Pressure Switch
These compact pressure switches are designed for OEM applications.
Made economical by using metal blade contacts in lieu of microswitches,
this series features long-lasting Elastomer diaphragms in three materials.
Elastomer diaphragms offer increased sensitivity and life for applications
without temperature extremes.
THIS MODEL FORMERLY NAMED PS-JL.
PS51 Series, Kapton Diaphragm OEM Subminiature
Pressure Switch
These compact pressure switches are designed for OEM applications.
This economical design uses metal blade contacts in lieu of
microswitches and features Kapton diaphragms. Kapton polyimide
maintains excellent physical properties over a wide temperature range.
It also offers superb chemical resistance with no known organic solvents.
THIS MODEL FORMERLY KNOWN AS PMMA/PMMF.
PS52 Series, Elastomer Diaphragm OEM Subminiature
Pressure Switch
These compact pressure switches are designed for OEM applications.
Designed to be economical by using metal blade contacts in lieu of
microswitches they feature long-lasting Elastomer diaphragms. Elastomer
diaphragms offer increased sensitivity and life for applications without
temperature extremes.
THIS MODEL FORMERLY KNOWN AS PMMA/PMMF.
PS61 Series, OEM Subminiature Pressure Switch
These compact pressure switches are designed with the OEM in mind.
They are equipped with high proof pressure capabilities for demanding
hydraulic applications such as forklifts, scissor lifts, and off road
equipment.
THIS MODEL FORMERLY KNOWN AS PMHA/PMHF/PS-J.
For more information, see the manufacturer's site:
www.gemssensors.com/Search.aspx?q=pressure-switch-gauge
Pressure Switch Vacuum
PS81 Series, Ultra-Long Life Vacuum Switches
For low vacuum applications, the longevity of our PS81 Series is hard to
beat. A life expectancy of 1 million cycles means long-term reliability.
Their brass housing and choice of four diaphragm materials ensures
 | chemical compatibility with your system. PS81 Series switches have a field adjustable set point or can be f actory set. THIS MODEL FORMERLY NAMED PDVA/PDVF. |
PS82 Series, Economical Miniature Vacuum Switch
|
| These miniature vacuum switches, based on our proven PS71 series, are designed for demanding applications where space and/or price are strong concerns. THIS MODEL FORMERLY KNOWN AS VDMA/VDMF/PS-EV. |
PS83 Series, OEM Subminiature Vacuum Switch
This compact vacuum switch is designed for OEM applications.
Metal blade contacts in lieu of microswitches make this a very economical
switch. The PS83 series features Teflon-coated Kapton diaphragms.
 | Kapton polyimide maintains excellent |
For more information, see the manufacturer's site:
www.gemssensors.com/Search.aspx?q=pressure-switch-vacuum
View other products:
www.gemssensors.com
Pressure Switch
Differential
PS91 Series, Compact
Differential Switch
The PS91 is a differential pressure
switch that is not affected by
changes in static pressure (common
line pressure). The PS91 is
designed for a unique manifold, or
supplied with two identical female
pressure ports for more general
purpose applications. The switch
can be adjusted via a central screw
on top of the unit. The unit is
supplied with a mini DIN connector
in keeping with the compact
packaging.
THIS MODEL FORMERLY KNOWN
AS PDAM/PDDA/PDDF.
PS93 Series, General
Purpose Differential
Pressure Switch
The PS93 Series' compact design
enables them to be mounted in tight
spaces. The use of a piston /
diaphragm design incorporates the
high proof pressure of piston
technology with the sensitivity of a
diaphragm design. The PS93 series
may be field or factory adjusted via
a hex screw inside the low port,
protecting against unauthorized
tampering.
THIS MODEL FORMERLY KNOWN
AS PJDA/PJDF/PS-D.
For more information,
see the manufacturer's site:
www.gemssensors.com/Search. aspx?q=pressure-switch-differential
Pressure Switch Specialty
PS96 Series
Inline Pressure Switch
The PS96 is a compact switch
featuring a simple field adjustment.
The single turn adjustment has an
indicating scale on it for quick
adjustments in the field. The
miniature DIN standard "C" utilizes
8mm spacing between contact pins.
Its all-metal enclosure and small
size make it an ideal choice for
mounting in tight spaces.
THIS MODEL FORMERLY
NAMED PIAP.
PS97 Series, Manifold
Pressure Switch
The PS97 has a unique 2 bold
manifold mount. The mating flat
surface only needs to accept 2
mounting screws to secure the
pressure fitting in place. The single
turn adjustment has an indicating
scale on it for quick adjustments in
the field. The miniature DIN
standard "C" utilizes 8 mm spacing
between contact pins.
THIS MODEL FORMERLY
NAMED PNAP.
PS98 Series, Solid State
Pressure Switch
Answering the demand for
solid-state switches, Gems proudly
offers the PS98. Built from our
proven CVD and ASIC design, the
PS98 solid state pressure switch
offers greater accuracy in rough
environments. This switch is an
ideal alternative to
electromechanical types when
cycles exceed 50 cycles/minute and
broad frequency response is
needed. In addition to a modular
design, a host of pressure ports and
electrical connections are available.
Switch and switch-back points are
factory set per customer
specification.
For more information,
see the manufacturer's site:
www.gemssensors.com/Search. aspx?q=pressure-switch-specialty
View other products:
www.gemssensors.com
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