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New flow sensor

Sensor Technology

PINOS L01 is a flow sensor with no moving parts.
PINOS L01 is a flow sensor with no moving parts.
The measuring, control, and automation system JUMO mTRON T has been introduced two years ago and features new functions.
The measuring, control, and automation system JUMO mTRON T has been introduced two years ago and features new functions.

Flow sensors are required in a range of sectors and applications. With the PINOS L01, JUMO presents an electronic variant with especially quick reaction times. The sensor is intended for use in water and watery mediums. It can be used, for example, to check cooling circuits, compressors, pumps, and heat exchangers. However, the new device can also be used to monitor leaks, to protect pumps against dry running, and in lubricant circuits.

The product is characterized by its quick reaction times, simple installation that does not depend on direction, and easy operation. Configuration occurs over an USB interface with a user-friendly setup program that is used in many other JUMO devices. Customized setup ex works is also possible.

A measured value is issued via an analog output (0(4) to 20 mA). The PINOS L01 can be used for a nominal pressure of up to 25 bar and in a permissible flow range of 10 to 150 cm/s.

The process connection is established using suitable stainless steel fittings with a nominal pipe width of DN 20 to DN 100. Other materials may be used as well. The PINOS L01 is also available as a flow monitor for which the switching point can be set on-site. A so-called window opening/closing function is included so that the switching points can be determined for a specific measuring range.

With its robust design that complies with protection type IP 65/67, the flow sensor can also be used in harsh environmental conditions. Reliable operation is guaranteed in ambient temperatures from -25 to +70 °C. Measurement medium temperature can range between -25 and +80 °C.

The new flow sensor works according to the calorimetric measurement principle. Here, the measurement is taken using temperature sensors that do not have moving parts. The sensor is submerged in the flowing medium which washes around it. A heating element and a temperature sensor make up the sensor - on the one hand, the heating element is continuously supplied with a small amount of electrical energy while at the same time this temperature increase in the sensor is discharged through the flowing liquid. The temperature conditions that arise are measured by the temperature sensor. In simple terms, the faster the liquid flows, the greater the heating element is cooled. Consequently, the flow speed of the liquid can be determined using a simple temperature measurement.

New functions for measuring, control and automation system
The mTRON T measuring, control, and automation system has been introduced to the market two years ago. The range of functions on the mTRON T is being consistently expanded to meet customer needs. A program generator with procedural steps, an optimized user management system, and an extended process screen editor are now available as updates.

As an option in the mTRON T central processing unit, a program generator is available especially for thermal treatments or thermal procedures. Up to nine asynchronous program generators can be activated. This standard program generator type allows setpoint value profiles to be specified. A setpoint value profile forms a program, together with the conditions of the control contacts.

Posted on March 20, 2014 - (895 views)
JUMO GmbH & Co. KG
Moritz-Juchheim-Strasse 1
36035 Fulda - Germany
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