IFM SD8100 Gas Rate Flow Meter – SDR11DGXFPKG/US-100

The IFM SD8100 is a versatile gas flow meter engineered for precise measurement of argon, nitrogen, and carbon dioxide in industrial systems. Designed with a robust R 1 threaded connection, the SD8100 offers a wide measuring range up to 366.6 m³/h, dual digital switching outputs, and a scalable 4–20 mA analogue signal. With integrated IO-Link communication, fast 0.1-second response time, and a 4-digit alphanumeric display, the SD8100 delivers high-speed, configurable gas flow monitoring for automation, process control, and compressed gas distribution systems.

Technical Specifications

Model: SD8100
Manufacturer: IFM
Product Series: SD Series
Sensor Type: Gas rate flow meter
Media Compatibility: Argon (Ar), Carbon Dioxide (CO₂), Nitrogen (N₂)
Medium Temperature: 0…60°C
Pressure Rating: 16 bar | 1.6 MPa

Process Connection

• R 1 external thread (DN25)
• Designed for direct installation into standard gas lines

Electrical Characteristics

• Operating Voltage: 18–30 VDC
• Current Consumption: < 100 mA
• Protection Class: III
• Power-On Delay: 1 s
• Reverse Polarity Protection: Yes
• Electrical Connection: M12 connector (A-coded)

Output Configuration

• Total Outputs: 3 (2 digital, 1 analogue)
• Output Types: Switching / Analogue / Pulse / IO-Link
• Electrical Design: PNP
• Digital Outputs: 2 (NO/NC configurable)
• Max Voltage Drop: ≤ 2 V
• Max Output Current: 250 mA
• Analogue Output: 4–20 mA (scalable)
• Pulse Output: For totalised quantity metering
• Max Load (Analogue): 500 Ω
• Short-Circuit / Overload Protection: Yes (pulsed)

Measuring Ranges (Gas Specific)

Argon (Ar):

• Measuring Range: 1.2…366.6 m³/h
• Display Range: 0…440 m³/h
• SP/rP Set Range: 3.4…366.6 / 1.8…365
• ASP/AEP Range: 0…293.2 / 73.4…366.6

Carbon Dioxide (CO₂):

• Measuring Range: 0.8…223.6 m³/h
• Display Range: 0…268.2 m³/h
• SP/rP Set Range: 2…223.6 / 1…222.6
• ASP/AEP Range: 0…178.8 / 44.8…223.6

Nitrogen (N₂):

• Measuring Range: 0.8…225 m³/h
• Display Range: 0…270 m³/h
• SP/rP Set Range: 2.2…225 / 1…224
• ASP/AEP Range: 0…180 / 45…225

Temperature Monitoring

• Measuring Range: 0…60°C
• Display Range: –12…72°C
• Resolution: 0.2°C
• Accuracy: ±2 K (in flow range)
• SP/rP Range: 0.4…60°C / 0…59.8°C
• Analogue Output Range: 0…48°C (start) / 12…60°C (end)

Accuracy & Repeatability

• Flow Monitoring Accuracy: ± (6% MW + 0.6% MEW)
• Flow Repeatability: ±1.5% of measured value
• Temperature Accuracy: ±2 K
• Operating Conditions for Accuracy: DIN ISO 2533 pipe installation (DN25)

Response Times

• Flow Response Time: 0.1 s (dAP = 0)
• Damping Time Settings: 0…1 s in 0.2 s steps

Software & Programming

• Adjustable Parameters:
  • Flow monitoring
  • Preset counter / quantity meter
  • SP/rP thresholds
  • Pulse/current scaling
  • Medium selection
  • Display logic & rotation

IO-Link Communication

• Interface Type: IO-Link v1.1
• Transmission Type: COM2 (38.4 kBaud)
• SDCI Standard: IEC 61131-9
• Profiles: Smart Sensor (Process Data, ID, Diagnostics)
• SIO Mode: Supported
• Process Data: 3 analogue, 2 binary
• Min. Cycle Time: 4.1 ms
• Master Port Type: Type A

Environmental Conditions

• Ambient Temperature: 0…60°C
• Storage Temperature: –20…85°C
• Max Relative Humidity: 90%
• Protection Rating: IP65

Compliance & Certifications

• EMC Standards:
  • DIN EN 61000-6-2
  • DIN EN 61000-6-3
• CPA Approval:
  • Model: 003TG
  • Qmin/Qmax:
    • Ar: 1.2 / 366.6 m³/h
    • CO₂: 0.8 / 223.6 m³/h
    • N₂: 0.8 / 225 m³/h
• Vibration Resistance: DIN EN 60068-2-6: 5 g (55–2000 Hz)
• MTTF: 224 years
• Pressure Equipment Directive: Group 2 compliant (Group 1 on request)

Mechanical Design

• Weight: 2029 g
• Dimensions: 475 × 45 × 88.5 mm
• Housing Materials: PBT-GF20, NBR, PC, PTFE, brass (coated), FKM, aluminium (powder-coated)
• Wetted Materials: Stainless steel (304), FKM, glass-passivated ceramics, PEEK-GF30

Display & Diagnostics

• Display Unit: 4-digit alphanumeric (red/green)
• LED Indicators:
  • Flow Units: Nl/min, Nm³/h, Nm³, °C
  • Function: 1 × Yellow
  • Switching Status: 2 × Yellow

Key Features & Benefits:

✅ Precise Gas Flow Monitoring: Suitable for N₂, CO₂, and Ar with configurable ranges.

✅ Versatile Outputs: Switching, pulse, analogue (4–20 mA), and IO-Link in one unit.

✅ Smart IO-Link Integration: Supports diagnostics, device ID, and parameterisation.

✅ Built-In Temperature Measurement: Combines two sensors in one device.

✅ Fast 0.1 s Response: Reliable for dynamic flow detection and rapid changes.

✅ CPA Approved & DN25 Ready: Installs seamlessly in industrial pipe systems.

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