IFM SM6020 Flow Meter – SMR12XGXFRKG/US-100

The IFM SM6020 is a compact and versatile magnetic-inductive flow meter engineered for precise flow and temperature monitoring of conductive liquids and hydrous media. With a measuring range of 0.05 to 35 l/min, IO-Link connectivity, and support for analog, digital, pulse, and frequency outputs, it excels in water-based process systems, machine cooling, and industrial automation. The SM6020 features a durable 316L stainless steel design, high EMC compliance, and a full-color 1.44″ display for intuitive configuration and monitoring—all backed by IP67 protection and robust resistance to vibration and shock.

Technical Specifications

Model: SM6020
Manufacturer: IFM
Sensor Type: Magnetic-Inductive Flow Meter
Measuring Principle: Electromagnetic induction
Measuring Range (Flow):

• 0.05…35 l/min
• 0.003…2.1 m³/h
• 0.6…555 gph
• 0.01…9.25 gpm
  Conductivity Requirement: ≥ 20 µS/cm
  Viscosity Limit: < 70 mm²/s (at 40 °C)
  Media Compatibility: Conductive liquids, water, hydrous media
  Process Connection: G 1/2 external thread (DN15), flat seal
  Sealing Material: FKM
  Integrated Features: Volumetric monitoring, pulse output, temperature sensing

Electrical Characteristics

• Operating Voltage: 18–30 V DC (SELV/PELV)
• Current Consumption: < 80 mA
• Protection Class: III
• Reverse Polarity Protection: Yes
• Power-On Delay: 5 seconds
• Electrical Connection: 1 × M12 A-coded (Gold-plated contacts)

Output Configuration

• Total Outputs: 2 × Digital, 1 × Analog
• Output Signals:
  • Switching (PNP/NPN, NO/NC configurable)
  • Analog 4–20 mA (max load 500 Ω)
  • Pulse / Frequency (flow rate meter)
  • IO-Link
• Max Voltage Drop (DC): ≤ 2 V
• Max Current Rating: 100 mA per output
• Short-Circuit Protection: Yes (pulsed)
• Overload Protection: Yes
• Counter Reset Input: Supported

Measuring & Setting Range

• Set Point (SP): 0.25…35 l/min
• Reset Point (rP): 0…34.8 l/min
• Analog Start Point (ASP): 0…28 l/min
• Analog End Point (AEP): 7…35 l/min
• Low Flow Cut-off (LFC): 0.05…1.75 l/min
• Frequency End Point (FEP): 7…35 l/min
• Frequency Output: 1–10,000 Hz

Volumetric & Temperature Monitoring

• Pulse Length: 0.001–2 s
• Pulse Value: 0.001–99,990,000 l
• Temperature Measuring Range: –20 to +90 °C
• Temperature Set/Reset Points: –19.6 to +90 °C / –20 to +89.6 °C
• Analog Range (Temp): –20 to +90 °C
• Resolution (Flow/Temp): 0.02 l/min | 0.1 °C

Accuracy & Deviations

• Flow Accuracy: ± (0.8% MW + 0.2% MEW)
• Repeatability: ± 0.2% MEW
• Temperature Accuracy: ± 2.5 K (Q > 5% MEW)

Response Times

• Flow Response: < 0.25 s (T09, dAP = 0)
• Flow Damping (dAP): 0–5 s
• Startup Delay: 0–50 s
• Temperature Response: 15 s (Q > 10% MEW, T09)

Software & Interfaces

• Parameter Options:
  • Hysteresis/window mode
  • Switching logic and delay
  • Analog/pulse/frequency output selection
  • Display unit and deactivation
• Interface: IO-Link 1.1
• Transmission Type: COM2 (38.4 kBaud)
• Profiles: Smart Sensor Profile
• Process Data: 3 Analog, 2 Binary
• SIO Mode: Yes
• Minimum Process Cycle Time: 6 ms
• Standard Compliance: IEC 61131-9

Environmental Conditions

• Ambient Temperature: –20 to +60 °C
• Storage Temperature: –25 to +80 °C
• Protection Rating: IP65 / IP67
• MTTF: 114 years

Compliance & Certifications

• EMC Compliance: DIN EN 60947-5-9
• CPA Model Approval: 005MI | Max Error: ±1.0% FS | Q(min): 0.003 m³/h
• Shock Resistance: 20 g (11 ms) – DIN IEC 68-2-27
• Vibration Resistance: 5 g (10–2000 Hz) – DIN IEC 68-2-6
• UL Certification: UL File No. E174189 | Approval No. I014
• PED: Sound engineering practice (Group 2; Group 1 on request)

Mechanical Design

• Shape: Rectangular
• Dimensions: 110 × 48 × 73 mm
• Weight: 717.2 g
• Housing Materials:
  • Stainless Steel (316 / 1.4408, 316L / 1.4404)
  • PC, PBT+PC-GF30
• Wetted Parts:
  • Stainless Steel (316L / 1.4404)
  • PEEK, Carbon Fibre PEEK
  • FKM, Centellen

Display & Indicators

• Display: 1.44″ Color Display (128 × 128 px)
• LED Indicators: 2 × Yellow (Switching states)

Key Features & Benefits

✅ 0.05 to 35 l/min Range for water-based and hydrous liquids with fast, accurate monitoring.

✅ 3-in-1 Measurement: Flow, temperature, and volumetric totalizer in one unit.

✅ Configurable Outputs (PNP/NPN + 4–20 mA + IO-Link) for system versatility.

✅ IP67 Stainless Steel Housing + Color Display ensures durability and ease of use.

✅ CPA & EMC Certified with UL and PED compliance for wide industrial acceptance.

✅ Smart Sensor Profile enables advanced diagnostics and real-time process control.

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