IFM PM1704 Pressure Sensor – PM-010-REA01-E-ZVG/US

The IFM PM1704 is a high-precision ceramic-capacitive pressure and vacuum sensor engineered for hygienic monitoring of process fluids, gases, and viscous media. Designed to meet stringent food and beverage industry standards, the PM1704 features a flush-mountable design, gold-plated contacts, and a wide –1 to 10 bar measuring range with both analogue and IO-Link outputs.

Its rugged construction, including IP67/IP68/IP69K protection, ensures dependable performance even in high-pressure washdowns and aggressive cleaning environments.

Technical Specifications

Model: PM1704
Manufacturer: IFM
Product Series: PM Series
Sensor Type: Relative pressure and vacuum sensor
Measuring Range: –1…10 bar | –14.5…145 psi | –100…1000 kPa | –0.1…1 MPa

Process Connection

• G 1 external thread (Aseptoflex Vario)
• Flush-mount design for hygienic applications

Electrical Characteristics

• Operating Voltage: 18–30 VDC (SELV/PELV)
• Current Consumption (2-wire): 3.5…21.5 mA
• Current Consumption (3-wire): < 45 mA
• Power-On Delay: 0.5–1 s
• Insulation Resistance: ≥100 MΩ (500 VDC)
• Protection Class: III
• Reverse Polarity Protection: Yes
• Integrated Watchdog: Yes
• Electrical Connection: 1 × M12 connector (A-coded, gold-plated contacts)

Output Configuration

• Total Outputs: 2 (1 analogue, 1 digital/IO-Link)
• Digital Output: 1 (IO-Link configurable)
• Analogue Output: 1 (4–20 mA scalable)
• Max Load: 700 Ω (Ub = 24 V)
• Output Signal: Analogue / IO-Link (configurable)
• Short-Circuit / Overload Protection: Yes

Measuring & Setting Ranges

• Pressure Range: –1…10 bar | –14.5…145 psi | –0.1…1 MPa
• Analogue Start Point (ASP): –1…8 bar
• Analogue End Point (AEP): 1…10 bar
• Factory Setting: ASP = 0.0 bar, AEP = 10.0 bar
• Step Resolution: 0.005 bar | 0.1 psi | 0.0005 MPa

Accuracy & Repeatability

• Repeatability: < ±0.1% of span (ΔT < 10 K)
• Characteristics Deviation: < ±0.2% of span (linearity incl. hysteresis and repeatability)
• Linearity Deviation: < ±0.15% of span
• Hysteresis Deviation: < ±0.15% of span
• Long-Term Stability: < ±0.1% of span per year

Response Times

• Step Response (2-wire): 30 ms
• Step Response (3-wire): 7 ms
• Damping (Analogue – dAA): 0…4 s

IO-Link Communication

• Interface Type: IO-Link v1.1
• Transmission Type: COM2 (38.4 kBaud)
• SDCI Standard: IEC 61131-9
• Profiles: Digital Measuring Sensor, Identification, Diagnosis
• SIO Mode: Supported

Environmental Conditions

• Ambient Temperature: –25 to +80°C
• Storage Temperature: –40 to +100°C
• Medium Temperature: –25 to +150°C
• Protection Rating: IP67 / IP68 / IP69K
• Bursting Pressure: 150 bar | 2175 psi | 15 MPa
• Pressure Rating: 50 bar | 725 psi | 5 MPa
• Vacuum Resistance: –1000 mbar
• MTTF: 323 years

Mechanical Design

• Weight: 307.75 g
• Dimensions: Ø 30.2 mm × 111 mm
• Housing Type: Cylindrical (hygienic design)
• Housing Materials: Stainless steel (316L), PBT
• Wetted Materials: Al₂O₃ ceramics, stainless steel (316L), PTFE
• Surface Finish (Wetted): Ra < 0.4 / Rz < 4
• Pressure Cycle Durability: 100 million
• Tightening Torque: 35 Nm

Display & Diagnostics

• No local display
• Diagnostic functions via IO-Link

Key Features & Benefits:

✅ Wide Pressure & Vacuum Monitoring: Perfect for CIP, SIP, and clean applications.

✅ Scalable Outputs: Fully configurable analogue and IO-Link integration.

✅ Rapid Response Times: Down to 7 ms for 3-wire analogue output.

✅ Hygienic Process Integration: Aseptoflex Vario flush connection with no dead space.

✅ IP69K Rated: Built for intensive washdown and harsh industrial use.

✅ Gold-Plated Contacts: Ensure long-term electrical reliability in humid environments.

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