IFM TR2439 Temperature Sensor – TR-000KDBM12-MFPKG/US/

The IFM TR2439 Temperature Sensor is a robust, high-accuracy sensor designed for industrial applications demanding precision thermal monitoring across wide temperature ranges. With integrated IO-Link communication, versatile switching and analogue outputs, and a rugged stainless steel housing, it is ideal for harsh environments where reliability and rapid response are critical.

Technical Specifications

Model: TR2439
Manufacturer: IFM
Sensor Type: Temperature Sensor
Measuring Element: Pt100 / Pt1000 (RTD)
Measurement Range: –100…600 °C / –148…1112 °F
Application: Hygienic and industrial thermal monitoring

Input & Output Configuration

• Digital Outputs: 1
• Analogue Outputs: 1 (Configurable as 4–20 mA or 0–10 V)
• Total Outputs: 2
• Output Signal Types: Switching, Analogue, IO-Link
• Output Function: Normally Open / Normally Closed (Parameterisable)
• Current Rating: 250 mA (switching)
• Voltage Drop (Max): 2.5 V
• Load (Analogue Current): Max 500 Ω
• Load (Analogue Voltage): Min 2000 Ω
• Short-Circuit & Overload Protection: Yes (Pulsed)

Measuring & Configuration Range

• Factory Set Range: –40…300 °C / –40…572 °F
• Set Point (SP): –99.8…600 °C / –147.6…1112 °F
• Reset Point (RP): –100…599.8 °C / –148…1111.6 °F
• Analogue Start Point: –100…595 °C
• Analogue End Point: –95…600 °C
• Resolution:
  • Switching Output: 0.1 K
  • Analogue Output: MS / 4096 (Current), MS / 3561 (Voltage)
  • Display: 0.1 K

Accuracy & Deviation

• Switch Point Accuracy: ±0.3 K + (±0.1% MS)
• Analogue Output Accuracy: ±0.3 K + (±0.1% MS)
• Display Accuracy: ±0.3 K + (±0.1% MS)
• Temperature Coefficient: ±0.1% of span / 10 K

Response Times

• Standard Response Time: 390 ms
• Max Analogue Response: 390 ms

Software / Programming Options

• Hysteresis or window mode
• NO/NC configuration
• Delay timers
• Signal damping
• Scalable current/voltage output
• Customisable display unit

IO-Link Communication

• Interface Type: IO-Link
• Protocol: COM2 (38.4 kBaud)
• Revision: 1.1
• Compatible Standard: IEC 61131-9
• Process Data: Binary & Analogue
• Features: Device ID, diagnostics, parameterisation

Environmental Conditions

• Operating Temp: –25…80 °C
• Storage Temp: –40…100 °C
• Ingress Protection: IP67
• MTTF: 233 years
• UL Certification: Yes (UL Approval No. K011)

Mechanical Design

• Housing Style: Cylindrical
• Dimensions: Ø34 mm × 104 mm
• Weight: 200 g
• Materials:
  • 316L / 1.4404 Stainless Steel
  • 304 / 1.4301 Stainless Steel
  • PBT-GF20, PC
  • Gold-plated electrical contacts

Display & Diagnostics

• Display Type: Alphanumeric (4-digit, red/green)
• Status Indicators:
  • 2 × Green LED (Unit display)
  • 1 × Yellow LED (Switching status)

Connection

• Connector: 1 × M12, A-coded
• Contacts: Gold-plated

Key Features & Benefits

✅ Wide-range thermal measurement: –100 to 600 °C

✅ Dual output (analogue + digital) with IO-Link

✅ Rapid response time of 390 ms

✅ IP67 protection for harsh industrial conditions

✅ High precision with minimal long-term drift

✅ Compact and hygienic design for food-grade applications

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