04/28/2004 • Process automation / MSR technology

On The Level – the new +GF+ SIGNET product family for Level Measurement

The new product family consists of the Ultrasonic Continuous Level Sensor 2210, the Ultrasonic Point Level Sensor 2211/2212 and the Level Transmitter 8250. Together with the well-known Pressure Sensors 2450 +GF+ SIGNET is able to offer a broad range of level components.

The centrepiece of this new family is the Ultrasonic Continuous Level Sensor 2210. Because of the non-contacting ultrasonic technology the sensor is ideal for continuous monitoring of tanks and vessels, especially in dirty, coating, slurry or corrosive liquids. This sensing device provides reliable continuos measurements up to 6m and features either a digital or a 4 to 20 mA output. The sensor boasts with an outstanding reliability and accuracy of 0.25% of span.

As part of the current line of +GF+ SIGNET sensors, the 2450 pressure sensor also lends itself for reliable level measurement, featuring a rugged PVDF body and flush ceramic diaphragm for corrosive liquids.

In addition to the continuous Level Sensors +GF+ SIGNET offers the 8250 ProcessProTM Level Transmitters with single or dual-channel input. The device features up to two 4 to 20 mA outputs, two relays, plus the ability to control two additional externally mounted relays. Automatic level-to-volume conversion allows display and control of tank level and/or volume of cylindric or rectangular vessels. With the custom function it is possible to calculate the volume of almost every vessel shape via entering calibration points. Of course the 8250 is available in universal-, integral- and panel-mount version.

Especially in applications with point-level measurement and overflow protection reliability and safety is one of the most important features a sensor must provide. To ensure an exceptional reliability the 2211/2212 features a redundant ultrasonic transducer element which provides an accuracy of 1 mm. Compared to optical or hinged-float sensors, Ultrasonic sensors work in colored liquids, turbidity and suspended solids. Because the sensors are available in Tefzel® or 316LSS, these ultrasonic devices withstand mechanical wear, suspended solids build-up or chemical attack.
With the new level family we offer sensors and transmitter which cover a broad range of applications with high accuracy.
The product range of +GF+ SIGNET contains a wide spectrum of flow and analytical sensors, transmitters, monitors and fittings for measurement and process control.
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Georg Fischer Rohrleitungssysteme AG

Ebnatstrasse 111
8201 Schaffhausen

Phone: +41 52 631 1111
Fax: +41 52 631 2800