Envirotec

No transmitter means a more reliable sensor

Krohne (UK) will showcase its range of analytical solutions on stand 11 of WWEM 2016.
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The firm has recently introduced the SmartSens range of analytical sensors, said to mark a turning point for this kind of analysis. As the first family of two-wire, loop powered analytical sensors incorporating integrated transmitter technology,  SmartSens sensors significantly reduce the risk of failures along the chain from the sensor to the process control system whilst easing the handling of this kind of analytical sensor.
Until now, says the firm, analytical sensors required the use of an external (proprietary) transmitter in order to translate  the sensor signal for use in the control process. This introduces potential for error, in terms of the requirements of IEC  61508/IEC 61511 in the chain from sensor to process control system; the transmitter represents the main  source of error in percentage.
Poor installation, cabling or configuration of the transmitter are frequently  occurring issues. To eliminate these risks, Krohne miniaturised the transmitter and fitted it into the sensor  head. Any SmartSens sensor can be connected directly to the process control system, as the sensors feature direct  communication via 4…20 mA/HART.
Krohne says it is the first provider to offer a direct connection from the  sensor to the process control system via a standardised fieldbus.

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