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SOR Differential Pressure Switch, 102/103

102/103 Differential Pressure Switch

Brand: SOR Inc
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SOR Differential Pressure Switch, 102/103
102/103 differential pressure switches are robust field-mounted instruments. 

The 102 pressure sensing assembly is a piston; the 103 pressure sensing assembly is a diaphragm-piston combination. 

The 102/103 can be configured for service in non-hazardous and hazardous locations. Switching elements are SPDT or DPDT.

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Specifications

Brand

Adjustment Type

  • Field Adjustable

Ambient Temperature Range

  • -34° to 80° C (-30° to 180° F)

Approvals & Certifications

  • Calibration
  • Compliance/Conformance
  • Dielectric Test
  • Hydrostatic Pressure Test
  • Inspection Report
  • Insulation Resistance
  • SIL 1 & 2 Certification
  • Typical Material of Wetted Parts

Approvals & Certifications

  • ATEX Db IIC T5/T6 Gb, Ia IIC T5/T6 Gb, II 2 G EEx M II
  • CRN
  • CSA Class I, Groups A, B, C, D, Class II, Groups E, F, G Div. 1 & 2 - Hazardous Locations
  • GOST-R
  • IECEx db IIC T5/T6 Gb, Ia IIC T5/T6 Gb
  • INMETRO Ex db IIC T5/T6 Gb, Ex ia IIC T5/T6 Gb
  • RTN
  • TestSafe (SAA) Ex S Zone 2 IIC T4 IP65, Ex TD A22 T105° C IP65 - Hazardous Locations
  • UL Class I, Groups A, B, C, D, Class II, Groups E, F, G Div. 1 & 2 - Hazardous Locations

Deadband

  • Typical psi: 0.07 to 35 (kPa: 0.5 to 240, bar: 0.005 to 2.4) - K Switch
  • Typical psi: 0.2 to 105 (kPa: 1.5 to 724, bar: 0.015 to 7.24) - EF Switch

Diaphragm Material

  • Kapton (Polyimide Film)
  • Teflon-Coated Polyimide (TCP)

Differential Pressure

  • Maximum

Electrical - Free Leads

  • 18”, 18 AWG Wire Leads - Hazardous Locations & Flammable Atmospheres

Electrical Connectors

  • 1/2” NPT Female
  • 1/2” NPT Male
  • 3/4” NPT Female
  • Compression Typical Terminal Block

Electrical Contacts

  • Low Power Gold Contacts
  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.3 A at 125 Vdc, Resistive - High Ambient Temperature Rating 204.4° C (400° F)
  • 0.4 A at 125 Vdc, Resistive - Normal Service AC
  • 0.5 A at 125 Vdc, Resistive - Wide Dead Band AC or DC, AC or DC, Narrow Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F)
  • 1 A at 125 Vac - Low Power Gold Contacts
  • 1 A at 28 Vdc, Resistive - Low Power Gold Contacts
  • 1 A at 30 Vdc, Resistive - Low Power Gold Contacts
  • 1.5 A Min. at 125 Vdc, Resistive - Very High Capacity DC Magnetic Blow-Out
  • 10 A at 125 Vac - Very High Capacity DC Magnetic Blow-Out
  • 10 A at 250 Vac - Low Differential Pressure Series 300
  • 10 A, Max.
  • 11 A at 250 Vac - AC or DC
  • 15 A at 250 Vac - Normal Service AC, Wide Dead Band AC or DC
  • 5 A at 250 Vac - Narrow Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F)
  • 5 A at 30 Vdc, Resistive - Normal Service AC, AC or DC, Narrow Dead Band DC

Enclosure Finish

  • Epoxy Coated (Exterior Only)
  • Epoxy Powder-Coated
  • Fungicidal Varnish

Enclosure, Body Material

  • 316 Stainless Steel - ASTM A351 CF8M - Hazardous Locations (Explosion-proof)
  • Aluminum - Non-Hazardous Locations (Weatherproof)

Environmental Protection

  • IP65

Maximum System Pressure

  • psi: 3,000 (kPa: 21,000, bar: 210)

Mounting

  • Pipe Mounting (Stanchion) Kit for 1-1/2 to 2” Pipe

NACE & NIST

  • NACE MR-0175, ISO 15156

Name Plate, Tag Material

  • Stainless Steel
  • Fiber

NPT Connection

  • Pressure Port: 1/2” NPT Female
  • Pressure Port: 1/4” NPT Female

O-Ring Material

  • Buna-N
  • Ethylene Propylene (EPR)
  • FFKM
  • Kalrez
  • Viton

Pressure Range

  • psi: 0.25 to 2,500 (kPa: 1.8 to 17,500, bar: 0.018 to 175)

Process Connection Material

  • Pressure Port: 316 Stainless Steel

Proof Pressure

  • psi: 0 to 5,000 (kPa: 0 to 34,000, bar: 0 to 340)

Set Point - Decreasing

  • bar: 0.35 to 175
  • Inches WC: 7 to 1,000
  • kPa: 35 to 17,500
  • mbar: 18 to 2,500
  • psi: 5 to 2,500

Set Point - Increasing

  • bar: 0.35 to 175
  • Inches WC: 7 to 1,000
  • kPa: 35 to 17,500
  • mbar: 18 to 2,500
  • psi: 5 to 2,500

Special Cleaning & Packaging

  • Wetted Parts are Cleaned for Oxygen Service

Spring Material

  • Elgiloy - Switching Elements W & Y

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 0 to 210
  • kPa: 0 to 21,000
  • psig: 0 to 3,000

  • Fluid Power Applications
  • Low to High Differential Pressure Process - Model 102
  • Low to Medium Differential Pressure Process - Model 103

Documentation

Data Sheets

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