Intrinsically Safe Hydrogen Pressure Transducer – E2S

by Ashcroft Inc.

  • Highly configurable
  • Easy calibration of offset and span
  • External magnetic offset & span adjustment
  • Barometric pressure ranges available (standard & custom ranges)
  • RoHS compliant intrinsically safe hydrogen pressure transducer
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Intrinsically Safe Hydrogen Pressure Transducer – E2S

  • The Ashcroft® E2S pressure transducer fulfills a wide spectrum of pressure sensing requirements when intrinsically safe or non-Incendive hazardous approvals are required.
  • Using Ashcroft’s proven CVD thin-film sensor technology provides a reliable and repeatable product manufactured to Ashcroft’s TruAccuracy terminal point standard.
  • Ashcroft’s straightforward TruAccuracy standard eliminates confusion from statistically derived accuracy specifications and avoids the need for user calibration at the time of installation. This makes the E2S ideal for demanding field applications.

Key features

  • Uses Ashcroft’s proven thin film technology
  • +/-0.25%, +/- 0.50% or +/-1.0% of span accuracy available
  • Standard ranges from vacuum to 20,000 psi and 0 to 500 psia (custom ranges available)
  • Rugged 316 stainless steel Housing
  • Diaphragm available in 17-4 PH, 316L stainless steel or A286
  • FM, ATEX and IECEx intrinsically safe approvals
  • FM non-incendive approved
  • 4-20mA or multiple Voltage outputs available
  • External magnetic offset and span adjustment
  • CE approved
  • RoHS compliant intrinsically safe pressure transducer


  • Reference Temperature: 21°C ±2°C (70°F ±3°F)
  • Accuracy: ±0.25%, ±0.5%, ±1.0% of span Terminal Point Method includes: hysteresis, non-repeatability, zero offset and span setting errors
  • Stability: ≤±0.25% span/year at reference conditions
  • Durability: >10 million cycles
  • Pressure ranges: Vacuum to 20,000 psig, 0 to 500 psi absolute
  • Ingress Rating:
    • IP66
    • IP67
    • IP69K (consult factory)
  • Outputs:
    • 0-10 Vdc (3 Wire)
    • 0-5 Vdc (3 Wire)
    • 0.1-10 Vdc (3 Wire)
    • 0.1-5 Vdc (3 Wire)
    • 0.5-4.5 Vdc (3 Wire)
    • 1-11 Vdc (3 Wire)
    • 1-5 Vdc (3 Wire)
    • 1-6 Vdc (3 Wire)
    • 20-4 mA (2 Wire)
    • 4-20 mA (2 Wire)
  • Wetted material:
    • Diaphragm: 17-4PH Stainless steel, 316L Stainless steel, 316L Stainless steel liquid isolated, A286
    • Process Connection: 316L Stainless Steel
  • Non-wetted materials: Housing: 316L Stainless steel
  • Process Connection
    • 1/4 NPT Male
    • 1/8 NPT Male
    • ½ NPT Female
    • ½ NPT Male
    • ½-14 NPT Female
    • ¼ NPT Female
    • ¼˝ VCR gland with 9⁄16-18 Female Swivel Nut
    • ¼˝ VCR gland with 9⁄16-18 Male Swivel Nut
    • ¼-18 NPT Female
    • 1⁄8 -27 NPT Female
    • 7⁄16-20 UNF-2B SAE J1926
    • 7⁄16-20 UNJF-2A SAE Male (SAE J1926 O-Ring Boss seal)
    • 7⁄16-20 UNJF-3A 37° Flare (SAE AS4395)
    • 9⁄16-18 UNF-2B Female
    • G1/4 A-MALE (stud end DIN 3852-E G¼)
    • G½ B Male (EN837-1)
    • G¼ B-Male (EN837-1)
    • Sanitary Seal 1.5˝ Tri-Clamp®
    • Sanitary Seal 2˝ Tri-Clamp®
  • Shock & Vibration Resistance:
    • 10g RMS 20-20,000Hz Vibration
    • 80g, 6ms Haversine Shock


  • Hydrogen filling stations
  • Hydrogen compressors
  • Hydrogen storage tanks
  • Reactor vessels
  • Fuel cells for vehicles

Contact us

  • Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits. Interested? Please contact Ashcroft by filling in the contact vendor form.
Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Compliant with

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Ingress Protection Rating

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Technical Datasheet

Technical datasheet - Instrinsically Safe Hydrogen Pressure Transducer - E2S

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      Ashcroft Inc.

      You shouldn't have to be an expert in pressure and temperature instrumentation to get the right components for your hydrogen applications. You need a partner with expertise in the hydrogen industry who can help you meet instrument quality and safety requirements. Ashcroft has decades of experience partnering with customers and offering solutions for their hydrogen applications including pressure sensors (transducers and transmitters), pressure gauges, pressure switches, diaphragm seals and temperature sensors. Let us help you navigate the expanding hydrogen market and its demands.

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