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WIKA · Pressure measurement · Family PSM

Compact pressure switch

Compact pressure switch for industrial applications with setting ranges from 0.2...2 bar to 30...320 bar and -0.85...-0.15 bar, suitable for compressed air, neutral fluids and gases.
Range
-0.85…320 bar
Accuracy
≤ 2 %
Protection
IP67
CERoHSPressure equipment directiveLow voltage directiveRoHS directive
Price
On request
Depends on configuration
Request a quote
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Description

Model PSM01 screw-in pressure switches in a diaphragm or piston design open or close a circuit, depending on whether the pressure is falling or rising. An adjustment screw enables easy and convenient on-site setting of the required switch point. Optionally, WIKA offers its customers the factory setting of the switch point.

Compact pressure switch, model PSM01

The model PSM01 pressure switch is suitable for applications where compressed air, neutral and self-lubricating fluids as well as neutral gases are used.

This pressure switch features a good non-repeatability of the switch point of ≤ 2 % of the span. The compact design is suitable for easy mounting with a socket wrench. The switch is interesting for both OEM customers and customers with low volumes.

Special features

  • Setting ranges: 0.2 … 2 bar [3 ... 30 psi] to 30 ... 320 bar [450 ... 4,600 psi] and -0.85 ... -0.15 bar [-25 inHg ... -5 inHg]
  • Non-repeatability of the switch point: ≤ 2 %
  • Switching functions: Normally closed, normally open or change-over contact
  • Media: Compressed air, neutral and self-lubricating fluids and neutral gases
Identification
ModelPSM01
Product familyPSM
SubcategoryPressure switch
Measuring range
Pressure ranges0.2…2 bar · 0.5…8 bar · 1…16 bar · 10…30 bar · 10…80 bar · 10…120 bar · 20…200 bar · 20…250 bar · 30…320 bar · -25…-5 inHg · 3…30 psi · 7…115 psi · 15…225 psi · 150…425 psi · 150…1150 psi · 150…1700 psi · 150…2300 psi · 300…2900 psi · 300…3600 psi · 450…4600 psi · -0.85…-0.15 bar
Accuracy
Accuracy class≤ 2 %
Accuracy standardISO 10771-1
Process conditions
Process connection
M10 x 17/16-20 UNF BOSSG ¼ B¼ NPTR ¼G ⅛ B⅛ NPTR ⅛G 1/8 BG 1/4 B1/8 NPT1/4 NPTR 1/8R 1/4
Process temperature−40…+100 °C
Electrical characteristics
Electrical connectionBlade terminal 6.3 x 0.8 (3-pin), Circular connector M12 x 1 (4-pin), Deutsch connector DT04-2P (2-pin), Cable outlet
Switching functionNormally closed, normally open, change-over contact
Switching contacts1
Materials
Case materialGalvanised steel, Stainless steel
Wetted parts materialGalvanised steel, Stainless steel 303, PTFE
Sealing materialNBR, FKM, EPDM, TNBR, FVMQ
Operating environment
Ambient temperature−20…+80 °C
IP ratingIP67
Weight0.08 kg
Certifications and approvals
Certifications
CERoHSPressure equipment directiveLow voltage directiveRoHS directive
Additional details
Datasheet languagesEN
Tables from datasheet
UnitMax. working pressureSetting rangeNon-repeatability 1)Measurement principle
bar20-0.85 …-0.15±0.05Diaphragm
600.2…2±0.04
0.5…8±0.16
1…16±0.32
35010…30±0.6Piston
10…80±1.6
10 …120±2.4
20 …200±4
20 …250±5
30 …320±6.4
psi300-25 …-5 inHg±1.4 inHgDiaphragm
8703…30±0.6
7 …115±2.3
15 …225±4.5
5,000150 …425±8.5Piston
150 …1,150±23
150 …1,700±34
150 …2,300±46
300 …2,900±58
300 …3,600±72
450 …4,600±92
Electrical connectionNormally openNormally closedChange-over contact
Blade terminal 6.3 x 0.8 (3-pin)--x
Circular connector M12 x 1 (4-pin)--x
Deutsch connector DT04-2P (2-pin)xx-
Cable outletxxx
Utilization category 1)Voltage, current
Resistive load AC-12, DC 12AC 48 V, 2 ADC 24 V, 2 A
Inductive load AC-14, DC 14AC 48 V, 2 ADC 24 V, 1 A
Min. switching power25 mWwith solid silver contacts
Max. switching power50 mWwith gold-plated contacts (option)
Non-repeatability (guideline value)Switch point setting
≤ 2 %of setting range end valueNo factory setting, adjustable
Factory setting, adjustable
≤ 4 %of set switch point 2)Fixed factory setting, not adjustable
View all (12)
Measurement principleSwitch hysteresis (guideline value)
Diaphragm (vacuum)250 mbar
Diaphragm (gauge pressure)0.1 bar [1.4 psi] + 5 ... 10 %of switch point Example:With a switch point of 3 bar [42 psi], the switch hysteresis is 0.25 ... 0.4 bar [3.5 ... 5.6 psi].
Piston5 bar [70 psi] + 5 ... 10 %of switch point Example:With a switch point of 100 bar [1,500 psi], the switch hysteresis is 10 ... 15 bar [145 ... 220 psi].
Medium temperatureSealing material
-20 …+80 °C [-4 ... +176 °F]NBR
0 …100 °C [32 ... 212 °F]FKM
-40 …+100 °C [-40 ... +212 °F]EPDM
-40 …+80 °C [-40 ... +176 °F]TNBR
-40 ... +100 °C [-40 ... +212 °F]FVMQ
ThreadProcess connection standardMaterial of wetted parts
G⅛BDIN EN ISO 228-1■ Galvanised steel ■ Stainless steel
G ¼ BDIN EN ISO 228-1■ Galvanised steel ■ Stainless steel
M10 x 1DIN 13-5Galvanised steel
7/16-20 UNF BOSSSAE J514 EGalvanised steel
⅛NPTANSI/ASME B1.20.1■ Galvanised steel ■ Stainless steel
¼ NPTANSI/ASME B1.20.1■ Galvanised steel ■ Stainless steel
R⅛ISO 7■ Galvanised steel ■ Stainless steel
R ¼ISO 7Galvanised steel
DesignationIngress protec- tion 1)Wire cross-sectionCable ∅
Blade terminal 6.3 x 0.8 (3-pin)IP00--
Circular connector M12 x 1 (4-pin)IP67--
Deutsch connector DT04-2P (2-pin)IP67--
Cable outlet, 2-wire 2) 3)IP672 x 0.75 mm² [1.16 x 10 -3 in²]5.0 mm[0.2 in]
Cable outlet, 3-wire 2) 3)IP673 x 0.5 mm² [7.75 x 10 -4 in²]5.3 mm[0.21 in]
DescriptionCountry
EU declaration of conformityEuropean Union
■ Pressure equipment directive
■ Low voltage directive
■ RoHS directive
DesignationOrder number
without cablewith 2 mcablewith 5 mcablewith 10 mcable
Circular connector M12 x 1 (4-pin)
■ straight2421262140868801408688314086884
■ angled2421270140868891408689114086892
DesignationOrder number
Rubber protective cap (PVC)31095267
GL1
⅛NPT10 [0.4]
¼NPT12 [0.47]
R⅛10 [0.4]
R¼12 [0.47]