IFM TM4101 Temperature Sensor – TM-025KFBR14- /US/

The IFM TM4101 is a robust industrial temperature sensor with Pt100 Class A accuracy for precise measurement of liquids and gases in pipes, tanks, and containers. Featuring a threaded G 1/4 process connection, short 25 mm immersion depth, and dynamic response times (T05 = 1 s), it is ideal for fast-changing thermal processes. With a 316L stainless steel housing, 400 bar pressure rating, and IP68/IP69K protection, the TM4101 excels in hygienic and high-pressure industrial environments.

Technical Specifications

Model: TM4101
Manufacturer: IFM
Sensor Type: Resistance temperature detector (RTD)
Measuring Element: 1 × Pt100 (DIN EN 60751, Class A)
Measuring Range: –40…150 °C | –40…302 °F
Installation Length (EL): 25 mm
Probe Length (L): 12 mm
Probe Diameter: 6 mm
Process Connection: G 1/4 external thread

Application

• Application Type: Industrial temperature sensing
• Media: Liquids and gases
• Design Features:
  • Compact insertion sensor
  • Variable process connection with adapter options
  • No moving parts
• Pressure Rating:
  • 400 bar | 40 MPa
• Special Feature:
  • Gold-plated M12 contacts
• Housing Design: Cylindrical

Electrical Characteristics

• Protection Class: III
• Electrical Connection: 1 × M12 connector (A-coded, gold-plated contacts)
• Compliance: Supply Class 2 (cULus)

Measuring / Setting Range

• Measuring Range: –40 to +150 °C
• Temperature Element Class: Pt100 Class A
• Accuracy: ±(0.15 K + 0.002 × |t|)
• Response Times (DIN EN 60751):
  • T05: 1 s
  • T09: 3 s

Environmental Conditions

• Ambient Temperature: –25 to +80 °C
• Storage Temperature: –40 to +100 °C
• Ingress Protection: IP68 / IP69K
• Media Conditions: Flowing water (accuracy specified for this medium)

Compliance & Certifications

• Shock Resistance:
  • 50 g (11 ms) – DIN EN 60068-2-27
• Vibration Resistance:
  • 20 g (10–2000 Hz) – DIN EN 60068-2-6
• MTTF: 22,831 years

Mechanical Design

• Weight: 61 g
• Dimensions: Ø 24.5 mm × 48 mm
• Housing Material: Stainless Steel (316L / 1.4404)
• Wetted Materials: Stainless Steel (316L / 1.4404), FKM
• Tightening Torque: 35 Nm

Key Features & Benefits

✅ Fast Thermal Response: 1 s (T05) ensures accuracy in fast-changing processes.

✅ High Pressure Durability: Withstands pressures up to 400 bar for hydraulic and high-pressure environments.

✅ Compact Form Factor: Ideal for confined installations with a 25 mm insertion depth.

✅ 316L Hygienic Housing: Excellent for food, beverage, and cleanroom applications.

✅ IP69K Protection: Fully sealed against high-pressure washdowns and moisture ingress.

✅ Gold-Plated Contacts: Corrosion-resistant and vibration-proof signal integrity.

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