IFM PA9021 Pressure Sensor – PA-250-SBR14-B-DVG/US/V

The IFM PA9021 is a robust industrial pressure sensor designed for reliable monitoring of liquids and gases up to 250 bar. It features a 0–10 V analogue output, IP68/IP69K protection, and gold-plated contacts for long-term performance in harsh environments. With a ceramic measuring cell, high shock/vibration resistance, and compliance with railway and automotive EMC standards, the PA9021 is a perfect choice for demanding OEM and mobile machinery applications.

Technical Specifications

Model: PA9021
Manufacturer: IFM
Product Series: PA Series
Sensor Type: Relative pressure sensor
Measuring Range: 0…250 bar | 0…3625 psi | 0…25 MPa

Process Connection

• G 1/4 internal thread
• Standard interface for general-purpose industrial use

Electrical Characteristics

• Operating Voltage: 16–32 VDC (SELV/PELV)
• Current Consumption: < 18 mA
• Insulation Resistance: ≥100 MΩ (500 VDC)
• Protection Class: III
• Reverse Polarity Protection: Yes
• Electrical Connection: 1 × M12 connector (A-coded, gold-plated contacts)

Output Configuration

• Total Outputs: 1
• Output Signal: Analogue voltage (0–10 V)
• Analogue Outputs: 1
• Minimum Load Resistance: 2000 Ω
• Short-Circuit / Overload Protection: Yes

Measuring Range & Performance

• Measuring Range: 0…250 bar | 0…3625 psi | 0…25 MPa
• Minimum Bursting Pressure: 850 bar | 12300 psi | 85 MPa
• Pressure Rating: 400 bar | 5800 psi | 40 MPa
• Type of Pressure: Relative
• Conditionally Suitable: For gas use > 25 bar (on request)

Accuracy & Repeatability

• Repeatability: < ±0.1% of span (ΔT < 10 K)
• Characteristics Deviation: < ±0.25% (BFSL) / < ±0.5% (LS)
• Long-Term Stability: < ±0.05% of span (per 6 months)
• Temp. Coefficient (Zero): < ±0.1% of span / 10 K (0…80°C)
• Temp. Coefficient (Span): < ±0.2% of span / 10 K (0…80°C)

Response Time

• Step Response Time: 3 ms

Environmental Conditions

• Ambient Temperature: –25 to +80°C
• Storage Temperature: –40 to +100°C
• Medium Temperature: –25 to +90°C (–40°C on request)
• Protection Rating: IP68 / IP69K

Compliance & Certifications

• EMC Standards:
  • EN 61000-4-2 ESD: 4 kV CD / 8 kV AD
  • EN 61000-4-3 HF radiated: 30 V/m
  • EN 61000-4-4 Burst: 2 kV
  • EN 61000-4-6 HF conducted: 10 V
  • CISPR 25 / ISO 11452-2: 100 V/m
  • ISO 7637-2: Severity level 4
• Shock Resistance:
  • DIN EN 60068-2-27: 50 g (11 ms)
  • DIN EN 61373: Category 3
• Vibration Resistance:
  • DIN EN 60068-2-6: 20 g (10–2000 Hz)
  • DIN EN 61373: Category 2
• MTTF: 478 years
• UL Approval Number: J008
• Pressure Equipment Directive: Sound engineering practice (Group 2 fluids; Group 1 on request)
• Railway Applications: DIN EN 50155 / IEC 60571 Class T3, C1, S1

Mechanical Design

• Weight: 224 g
• Dimensions: Ø 30 mm × 75 mm
• Housing Type: Cylindrical
• Housing Materials: Stainless steel (316L), FKM, PA, EPDM/X
• Wetted Materials: Stainless steel (303), ceramics, FKM
• Pressure Cycle Durability: 100 million
• Restrictor Element: Not integrated (retrofit optional)

Display & Diagnostics

• No local display
• Standard analogue diagnostics via control system

Key Features & Benefits:

✅ High Pressure Capability: Up to 250 bar operating and 850 bar burst pressure.

✅ Compact, Rugged Design: Suitable for harsh industrial and mobile environments.

✅ Wide Temperature Range: Operates from –25°C to +90°C (–40°C on request).

✅ Excellent EMC Immunity: Certified for automotive and railway applications.

✅ IP69K Sealing: Built for high-pressure washdown conditions.

✅ Gold-Plated Contacts: Ensure corrosion resistance and signal integrity.

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