Product Analysis: ifm electronic TA2842
The ifm electronic TA2842 is a high-precision temperature transmitter designed for continuous monitoring of media temperature in industrial and process applications. Featuring an integrated 4-digit alphanumeric display and a robust Pt1000 sensor element, the TA2842 provides accurate real-time data for cooling circuits, hydraulic systems, and heating processes. Its compact design and IO-Link capabilities make it a versatile tool for digitalized manufacturing.
Advanced Temperature Sensing and Output
The TA2842 operates over a wide measuring range of -50 to 150 °C (-58 to 302 °F). It provides two independent switching outputs or one switching and one analog signal (4-20 mA / 0-10 V), allowing for flexible control strategies. The IO-Link interface enables digital transmission of the measured temperature and diagnostic data, ensuring high signal integrity even over long cable runs and facilitating simplified device replacement through automated configuration.
Key Technical Characteristics
- Part Number: TA2842.
- Measuring Range: -50…150 °C.
- Probe Length: 150 mm.
- Process Connection: G 1/2 (Male thread).
- Operating Voltage: 18…32V DC.
- Accuracy: ± 0.3 K + 0.1% of the span.
- Response Time: T05 = 1s / T09 = 3s.
- Protection Rating: IP67 / IP68 / IP69K.
- Output Function: PNP/NPN or Analog (Programmable).
Construction and Industrial Reliability
The TA2842 features a stainless steel probe and housing, ensuring high resistance to corrosion and mechanical stress. The IP69K rating allows for use in hygienic or outdoor environments where high-pressure cleaning is required. The integrated display can switch between °C and °F, providing immediate on-site status updates. Its high pressure resistance (up to 400 bar for the probe) makes it suitable for direct installation into high-pressure hydraulic lines.
| Feature | Value |
| Sensor Element | 1 x Pt1000 (Class A) |
| Max Pressure Rating | 400 bar |
| Connection | M12 connector (4-pin) |
Technical Note
When installing the TA2842, ensure the probe is sufficiently immersed in the flow of the media to obtain an accurate reading. For gaseous media, immersion depth should be increased compared to liquid media. The use of a thermowell is recommended for applications where the sensor needs to be replaced without draining the system.
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