Posted on August 25, 2011 - ( views)
Featuring a universal measurement input for resistance thermometers, resistance potentiometers, thermocouples and mV signals, JUMO Wtrans B transmitter model can measure temperature and liquid level, as well as other process signals. Its flexibility is underlined not only by the 24 retained resistance thermometer/thermocouple characteristics, but also by customized linearization with up to 40 value pairs or by the use of a 4th order polynomial. The associated setup program for configuring the wireless transmitter has a function for automatically determining coefficients for the customized linearization. The Wtrans B transmits the acquired process signal over the 868.4 MHz of the unlicensed ISM band and achieves a free-field transmission range of up to 300 m. Including an RS 485 interface, the wireless transmitter can be rapidly integrated into the Wtrans receiver system, allowing measurements to be taken in physically or economically difficult to access places. The compact, mechanical implementation of the wireless transmitter with its totally encapsulated electronics and screw-in antenna housing with integrated battery compartment, is housed in a sturdy, industrial design with IP 65 protection. It can be quickly and safely mounted for use in a DIN terminal head of form B or larger. Thanks to the standardized 20mm screw fitting of the antenna battery housing, it can also be installed in many other mounting devices. A wide range of operating temperatures from –30 °C to +85 °C ensures that the transmitter can be used and operated faultlessly under adverse environmental conditions. The setup program’s online chart option provides for simple visualization and online recording of the acquired process values.
For simple applications
Input isolating amplifier
For railway technology
Records 0-1.6 bar up to 0-100bar
2-wire temperature transmitter
Meets the requirements of complex control processes
Meets the highest standards for hygiene
Follow hygienic design standards
Overload resistant down to 100 mbar
The May issue features a Preview on Europe's biggest measuring technology fair, Sensor+Test 2013. This is supplemented by a Focus on Sensors, Test & Measurement that includes product news, as well as a technical article and an interesting application. Another case study highlights the use of an RFID system in a Chinese engine manufacturing plant. Furthermore, IEN Europe has an article that asks the question Is There a Future for the PLC? . Throughout the magazine, you will also find brand new products launched at the recent HANNOVER MESSE, for example a Motor Control Center for predictive maintenance.
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