Temperature Measurement


New iTEMP transmitter with Bluetooth

September 2020 Temperature Measurement

Endress+Hauser’s new iTEMP TMT142B temperature transmitters deliver highly accurate and reliable measurements, wireless communication via Bluetooth and user-friendly operation packaged in a robust single-chamber field housing. The technology offers significant improvements in process efficiency and plant availability while, at the same time, reducing costs.

In industrial process engineering, temperature transmitters are an important link between temperature sensors in the process and the higher levels of automation. Measurement instruments are often installed in difficult to access locations, which frequently make it more difficult to commission, operate and service them.

To keep the effort for commissioning, device configuration and maintenance low, the transmitter features an integrated Bluetooth interface that enables users to wirelessly display measured and status values as well as to perform configuration tasks. The device is extremely easy and fast to operate using the Endress+Hauser SmartBlue app. Access to the device is password-protected and the Endress+Hauser security concept for Bluetooth communication complies with the highest security standards.

Clear process information in the field

The newly developed backlit display provides excellent readability under all environmental conditions, both in the dark and in strong sunlight. Diagnostic messages are indicated through variable backlight colour (white to red) and facilitate maintenance work in the field.

Highest reliability in critical processes

The conversion of different sensor signals into a stable, standardised output signal (4-20 mA) represents a challenge when it comes to industrial temperature measurement. Precision and long-term stability, particularly at critical measuring points, are crucial for safe and smooth process operations. The configurable single-channel device transmits converted signals from resistance sensors (RTD), thermocouples (TC), resistances and voltage transmitters (mV) via the 4-20 mA signal or the HART 7 communication.

The transmitter guarantees a high level of measuring point availability through integrated sensor monitoring functions and device diagnostics. The transmitter-sensor matching capability using the Callendar-Van Dusen coefficients further improves the entire system’s temperature measurement precision. The iTEMP TMT142B temperature transmitter is designed for safe operation in hazardous areas as certified by international approvals (ATEX, CSA C/US, IECEx).


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