Burkert Sensors Measure pH, ORP Or Conductivity

Burkert has launched the Element Neutrino analytical transmitters for total loop process control - hygienic or aggressive - in applications where measurement of pH, ORP or conductivity is required. These units, the 8202 (for pH or redox potential) and 8222 (for conductivity), are designed for operation with different sensor types. The Neutrino analytical transmitters are the building block in Burkert's modular Element system. Element is a complete system approach, linking clean line valves, sensors, positioners and valve actuators in an intelligent architecture to solve total control loop processes.

Element saves processing time by offering total control solutions for media from slurries to steam and de-ionised water to hydrochloric acid. The Neutrino transmitters feature a variable electrical connection for pH electrodes, allowing the use of most pH electrodes with a 12mm diameter and an S7 connection. A single standard transmitter can be used for all applications within the system. The option of selecting from three cell constants (0.01, 0.1 or 1) for measuring conductivity, ensures versatility when exchanging sensors, as well as easy adaptability to the required task, according to Burkert.

The Neutrino transmitters feature an integrated pt1000 sensor, which provides internal temperature compensation. The temperature value provided by the sensor is delivered as a second process variable in the transmitter and can also be output as 4-20mA signal. This eliminates the requirement for a separate temperature sensor, as well as the additional costs for its installation and operation.

Both the 8202 and 8222 Neutrino transmitters are simple to use; they are supplied with a key for selecting the required measuring mode and offer measuring range selection with 16-position multipoint switch and allocated ranges, together with the facility for one-point and two-point calibration for pH and ORP. Monitoring for calibration processes, device status, warning and alarms, is provided via an integrated LED status display.

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