IFM SI5000 Flow Sensor – SID10ABBFPKG/US-100

The IFM SI5000 is a versatile thermal flow sensor designed for monitoring both liquids and gases in industrial automation and process control environments. With a setting range from 3 to 300 cm/s (liquids) and 200 to 3000 cm/s (gases), this compact unit features a PNP-configurable digital switching output, a robust stainless steel M18 × 1.5 housing, and pushbutton programming. Built to withstand 30 bar pressure, wide temperature ranges, and harsh environments, the SI5000 is an ideal solution for inline flow detection, leakage monitoring, and low-flow protection.

Technical Specifications

Model: SI5000 Flow Monitor
Manufacturer: IFM
Sensor Type: Thermal flow monitor
Measuring Principle: Calorimetric
Media Compatibility: Liquids and gases
Process Connection: M18 × 1.5 internal thread
Installation Length: 45 mm
Probe Diameter: 8.2 mm

Electrical Characteristics

• Operating Voltage: 19–36 V DC
• Current Consumption: < 60 mA
• Protection Class: III
• Power-On Delay Time: 10 s
• Reverse Polarity Protection: Yes
• Electrical Connection: 1 × M12 connector (A-coded)

Output Configuration

• Total Outputs: 1 digital output
• Output Type: Switching signal (PNP)
• Output Function: NO / NC (parameterisable)
• Max Voltage Drop: ≤ 2.5 V
• Current Rating: 250 mA
• Short-Circuit Protection: Yes (pulsed)
• Overload Protection: Yes

Measuring / Setting Range

• Liquids:
  • Setting Range: 3…300 cm/s
  • Greatest Sensitivity: 3…100 cm/s
• Gases:
  • Setting Range: 200…3000 cm/s
  • Greatest Sensitivity: 200…800 cm/s

Accuracy & Deviations

• Repeatability: 1…5 cm/s (for water, 5–100 cm/s @ 25 °C)
• Switch Point Accuracy: ±2…±10 cm/s (factory setting)
• Hysteresis: 2…5 cm/s (factory setting)
• Temperature Drift: 0.1 cm/s × 1/K (water 10–70 °C)
• Temperature Gradient Tolerance: 300 K/min

Response Time

• Liquids: 1…10 s
• Gases: 1…10 s

Programming / Software

• Adjustment Method: Pushbutton interface (no PC required)

Environmental Conditions

• Ambient Temperature: –25 to +80 °C
• Storage Temperature: –25 to +100 °C
• Medium Temperature: –25 to +80 °C
• Pressure Rating: 30 bar | 3 MPa
• Protection Rating: IP67

Compliance & Certifications

• EMC Standards:
  • EN 61000-4-2 (ESD)
  • EN 61000-4-3 (Radiated HF)
  • EN 61000-4-4 (Burst)
  • EN 61000-4-6 (Conducted HF)
• Shock Resistance: 50 g (11 ms) – DIN EN 60068-2-27
• Vibration Resistance: 20 g (55–2000 Hz) – DIN EN 60068-2-6
• MTTF: 298 years

Mechanical Design

• Weight: 246 g
• Dimensions: Ø 50 mm × 113 mm
• Housing Material:
  • Stainless Steel (316L / 1.4404), Stainless Steel (301 / 1.4310), PC, PBT-GF20, EPDM/X
• Wetted Materials:
  • Stainless Steel (316L / 1.4404), FKM (80 Shore A)

Display & Indicators

• LED Display:
  • 10 × Multicolor LEDs for flow rate, status, and diagnostics

Key Features & Benefits

✅ Dual-Media Capability: Accurate monitoring of both liquids and gases.

✅ Compact Design: M18 × 1.5 thread with 45 mm probe fits tight spaces.

✅ Pushbutton Setup: Quick configuration without external tools.

✅ High Pressure Tolerance: Operates up to 30 bar in demanding conditions.

✅ Wide Range Detection: Covers low to high flow velocities.

✅ IP67 Sealing: Ensures protection in washdown and dust-prone environments.

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