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Mini-Hermet Pressure Switch

Brand: Cameron

Mini-Hermet Pressure Switch are robust field-mounted instruments.

The pressure sensing assembly is similar to a conventional type. The main difference is that the switching element assembly is hermetically sealed in an explosion proof steel capsule.

Switching elements are SPDT or DPDT.
Features
  • Robust construction
  • Instrument quality
  • Explosion proof hermetically sealed switching capsule
  • Field adjustable set points
  • Cost effective
  • Agency listings/certification
  • Built-in quality

Specifications

Brand

Ambient Temperature Range

  • -40° to 75° C (-40° to 167° F)

Applications

  • High Pressure Hydraulic Applications
  • Process Applications

Approvals & Certifications

  • ATEX
  • CSA
  • FM
  • ISO 9001
  • SAA
  • UL

Approvals & Certifications

  • Calibration
  • Compliance/Conformance
  • Dielectric Test
  • Hydrostatic Pressure Test
  • Inspection Report
  • Insulation Resistance
  • Typical Material of Wetted Parts

BSP Connection

  • 1/2” BSPT Female
  • 1/4” BSPT Female
  • 3/4” BSP Male

Deadband

  • Typical: psi: 1.6 to 294 (kPa: 11.03 to 2,027, bar: 0.11 to 20.27)

Deadband, Approximate - Vacuum

  • Typical: Inches Hg: 2.5 to 3.5

Diaphragm Material

  • 316L Stainless Steel
  • Buna-N
  • Carpenter 20
  • Ethylene Propylene (EPR)
  • Fire-Safe Welded
  • Hastelloy B
  • Hastelloy C
  • Kalrez
  • Monel
  • Neoprene
  • Tantalum
  • Teflon-Coated Polyimide
  • Viton
  • Welded

Electrical Connectors

  • 1/2” NPT Male
  • 18” 18 AWG Color-Coded Standard Wire Leads
  • Screw Terminal
  • Terminal Box: M20 x 1.5 Female

Electrical Contacts

  • Gold Contacts - Low Power Data Acquisition Interface

Electrical Rating

  • 0.5 A at 125 Vdc
  • 1 A at 125 Vac
  • 1 A at 30 Vdc
  • 11 A at 250 Vac
  • 5 A at 250 Vac
  • 5 A at 30 Vdc

Enclosure Finish

  • Epoxy Coated
  • Fungicidal Varnish

Enclosure, Body Material

  • Copper-Free Aluminum
  • Stainless Steel

Environmental Protection

  • Explosion-proof
  • Hazardous Area
  • IP65
  • IP66
  • IP67
  • NEMA 4
  • NEMA 4X
  • Weathertight

Materials of Construction

  • Stainless Steel - Tag & Name Plate
  • Tag: Fiber

Media

  • Air
  • Non-Corrosive Process Fluids
  • Oil
  • Water

Mounting

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

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female
  • 3/4” NPT Male

O-Ring Material

  • AFLAS
  • Buna-N
  • Ethylene Propylene (EPR)
  • Kalrez
  • Neoprene
  • TCP - Telfon Coated Polyimide Diaphragm
  • Viton
  • Viton GLT

Overpressure & Static Pressure Limits

  • Overpressure: psi: 1,500 to 5,000 (kPa: 10,340 to 34,470, bar: 103.4 to 344.7)
  • psi: 1,500 (kPa: 10,340, bar: 103.4)

Process Connection Material

  • 316 Stainless Steel
  • 316L Stainless Steel
  • 347 Stainless Steel
  • Brass
  • Carbon Steel
  • Carbon Steel Ledloy AX
  • Carpenter 20 Stainless Steel
  • Hastelloy B
  • Hastelloy C
  • Monel

Proof Pressure

  • psi: 2,500 to 6,000 (kPa: 17,240 to 41,370, bar: 172.4 to 413.7)

Proof Pressure - Vacuum

  • psi: 2,500 (kPa: 17,240, bar: 172.4)

Repeatability

  • 1 % of Full Scale Per ISA/ANSI S51.1

Set Point - Decreasing

  • bar: 0 to 5.4 - Vacuum
  • bar: 0.5 to 275
  • Inches Hg: 0 to 160 - Vacuum
  • kPa: 0 to 540 - Vacuum
  • kPa: 50 to 27,500
  • psi: 7 to 4,000

Set Point - Increasing

  • bar: 0 to 5.4 - Vacuum
  • bar: 0.5 to 275
  • Inches Hg: 0 to 160 - Vacuum
  • kPa: 0 to 540 - Vacuum
  • kPa: 50 to 27,500
  • psi: 7 to 4,000

Switch Type

  • DPDT
  • SPDT

System Pressure

  • bar: 0 to 344.7
  • kPa: 0 to 34,474
  • psi: 0 to 5000

Temperature Range

  • O-Ring: -34° to 204° C (-30° to 400° F)

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