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Isolated Sensor Transducer with SIL 2 / SIL 3 Functional Safety - P32000

The P32000 universal transmitters provide connection possibilities for all standard thermocouples, resistance thermometers, strain gauges, full bridges, resistors and potentiometers/resistive sensors. They can be flexibly adapted to the respective measuring task using DIP and rotary encoder switches or via an IrDA interface.

3-port isolation with protective separation up to 300 V AC/DC according to EN 61140 ensures optimum protection of personnel and equipment as well as unaltered transmission of measurement signals.

The P32000 offers maximum performance in the smallest of spaces. Resistance thermometers can be operated in 2-, 3- or 4-wire configuration. The connection configuration is automatically recognized, adjustment is not required.

All commercial thermocouples can be read with internal or external reference junction compensation. To detect mechanical quantities such as force or strain, strain gauges can be connected in full-bridge configuration.

The ability to connect variable resistors and potentiometers creates a wide range of application possibilities, for example in the field of displacement or position detection. Input voltage signals up to +/– 1000 mV are converted into 0/4 to 20 mA or 0 to 10 V standard signals. This enables low-cost implementation of current measurements using shunt resistors, for example.

Knick offers the P32000 transmitter with SIL approval for applications with high demands on functional safety. The requirements of EN 61508 were implemented through specially developed hardware and software.

The implemented fail-safe concept makes use of structural measures at the device level (redundancy of system components) and diagnostic methods for selective fault detection.

The product is SIL 2 approved (EN 61508) by an authorized body (TÜV Rheinland). SIL 3 in redundant implementations.

Key features

Universal usability from simple to challenging measurement tasks with all known temperature sensors, strain gauges, potentiometers, and similar sensors

Convenient setting of all parameters via IrDA interface – uncomplicated, menu-guided adjustment also “on site” including archiving of the configuration data

Intuitive configuration of the basic parameters – easily, without tools, using 4 rotary and 8 DIP switches

Calibrated range selection without complicated adjustment

Automatic detection of the sensor connection (2-, 3- or 4-wire)

Simulation of any desired output values for correct installation/commissioning

Protective separation according to EN 61140 – protection of the maintenance staff and subsequent devices against excessively high voltages up to 300 V AC/DC under Overvoltage Category II (OVC II), Pollution Degree 2 (PD 2) conditions.

Functional safety up to SIL 2 (up to SIL 3 in the case of redundant configuration) with TÜV certificate – systematically developed according to EN 61508

High accuracy with innovative switching concept

Reduced inventory – one transmitter covers all conceivable tasks

Minimum space requirement in the enclosure – only 6 mm wide modular housing – more transmitters per meter of mounting rail

5-year warranty

Application areas

Temperature measurement applications

Strain and force measurement

Displacement and position detection

Applications with high demands on functional safety

Current measurement implementation using shunt resistors

Applications requiring connection of thermocouples, resistance thermometers, strain gauges, potentiometers, and resistive sensors

Family-owned company with high quality standards

We have been developing, producing and selling high-quality products and services, with a focus on interface technology and process analytic for more than 80 years. As a family-owned and run company with more than 300 employees, the city of Berlin has been the center of our economic activities since our inception in 1945.

Our innovations are based on an intensive exchange of knowledge and expertise between us and our suppliers, customers and sales partners. Our “Knick transducer”, for example, has been a synonym for high-precision transmitters for decades, and in modern liquid analysis, Memosens technology has been established as process standard.

Isolated Sensor Transducer with SIL 2 / SIL 3 Functional Safety - P32000