IFM PM1709 Pressure Sensor – PM-1-1BREA01-E-ZVG/US

The IFM PM1709 is a flush-mount pressure sensor designed for high-precision monitoring of vacuum and low-pressure applications in the food and beverage industry. With a measuring range of –1 to +1 bar, this sensor features a ceramic-capacitive cell, 4–20 mA analogue output, and IO-Link 1.1 communication for advanced process integration. Its 316L stainless steel construction, G 1 Aseptoflex Vario hygienic connection, and IP69K protection make it ideal for demanding CIP/SIP systems involving viscous or particulate-laden media.

Technical Specifications

Model: PM1709
Manufacturer: IFM
Sensor Type: Relative pressure and vacuum sensor
Measuring Element: Ceramic-capacitive
Measuring Range:

• –1…1 bar | –1000…1000 mbar | –14.5…14.5 psi | –100…100 kPa
  Process Connection: G 1 external thread – Aseptoflex Vario
  Probe Length: 11 mm

Application

• Flush Mountable: Suitable for hygienic installations
• Media Compatibility: Liquids, viscous substances, and media with suspended solids
• No Dead Space: Yes (ideal for CIP/SIP)
• Type of Pressure: Relative / Vacuum
• Tank Pressure (MAWP): 10 bar

Electrical Characteristics

• Operating Voltage: 18–30 V DC
• Protection Class: III
• Insulation Resistance: ≥ 100 MΩ (500 V DC)
• Reverse Polarity Protection: Yes
• Integrated Watchdog: Yes
• Electrical Connection: 1 × M12 A-coded (gold-plated contacts)

Output Configuration

• Total Outputs: 2
• Output Types:
  • 1 × Digital (IO-Link)
  • 1 × Analogue (4–20 mA, scalable)
• Max Load (Analogue): 700 Ω @ 24 V
• Short-Circuit & Overload Protection: Yes
• Analogue Configuration Range:
  • Start: –1000…600 mbar
  • End: –600…1000 mbar

Accuracy & Deviations

• Repeatability: < ±0.1% of span (ΔT < 10 K)
• Characteristic Deviation: < ±0.2% (per DIN EN IEC 62828-1)
• Linearity & Hysteresis: < ±0.15%
• Long-Term Stability: < ±0.1% per year
• Temp. Coefficient (–25…15 °C): ±0.05% / 10 K
• Temp. Coefficient (80…150 °C): ±0.1% / 10 K

Response Times

• Damping (Analogue Output): 0…4 s
• Step Response Time:
  • 2-Wire Mode: 30 ms
  • 3-Wire Mode: 7 ms

Interfaces

• IO-Link Version: 1.1
• Transmission Rate: COM2 (38.4 kBaud)
• Standard Compliance: IEC 61131-9
• Profiles:
  • Digital Measuring Sensor (0x000A)
  • Device Identification / Diagnosis (0x4000)
• SIO Mode: No
• Min. Cycle Time: 3.2 ms
• Pressure Resolution (IO-Link): 0.5 mbar
• Acyclic Data: Internal temp., application-specific tag

Environmental Conditions

• Ambient Temperature: –25 to +80 °C
• Medium Temperature: –25 to +150 °C
• Storage Temperature: –40 to +100 °C
• Protection Rating: IP67 / IP68 / IP69K

Compliance & Certifications

• EMC:
  • DIN EN 61000-6-2
  • DIN EN 61000-6-3
• Shock Resistance: 50 g (11 ms) – DIN EN 60068-2-27
• Vibration Resistance: 20 g (10–2000 Hz) – DIN EN 60068-2-6
• UL Approval: Yes (No. J021)
• MTTF: 323 years

Mechanical Design

• Weight: 306.9 g
• Dimensions: Ø 30.2 mm × 111 mm
• Housing Type: Cylindrical
• Housing Material:
  • 316L Stainless Steel, PBT
• Wetted Parts:
  • Ceramic (99.9% Al₂O₃), 316L Stainless Steel, PTFE
  • Surface Finish: Ra < 0.4 µm / Rz 4
• Min. Pressure Cycles: 100 million
• Tightening Torque: 35 Nm

Display & Status Indicators

• LEDs:
  • Green: Operating status
  • Yellow: Switching status

Key Features & Benefits

✅ Flush Hygienic Design: Optimised for sanitary applications with no dead space.

✅ Wide Media Compatibility: Accurate across liquids, foams, and slurries.

✅ Dual Output Configuration: Digital + analogue signals for flexible integration.

✅ IO-Link Enabled: Delivers diagnostics, configuration, and real-time data.

✅ Rugged & Reliable: Withstands 150 °C media and up to 100 million pressure cycles.

✅ IP69K Sealing: Ideal for aggressive washdown environments.

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