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- Monitek - Model MSG - Turbidity Colour ...
Monitek - Model MSG -Turbidity Colour Transmitter
Most turbidity, concentration or colour transmitters are capable of handling only one probe connected to them. In situations where a number of sensors are required, the cost of multiple transmitters can be high. The Messenger addresses this by allowing up to 4 inputs into one transmitter. All inputs are discrete, allowing control of the sensor and transmission of data on a completely individual basis. One transmitter controlling up to 4 detector signals keeps the cost per data point very low. Also, the Messenger is available in three different versions. Version 1: Panel PC with Touch screen; version 2: 4 line LCD- display; or version 3: with no display. This allows for a cost saving configuration related to your specific application.
COMMUNICATIONS
Today, communications between analytical devices and the data collection system is one of the driving factors in process control. The Messenger provides for a wide range of communications, including (4x) 0/4-20mA, (4x) relay alarms, RS 232, RS 485 Modus protocols and internal data logging. The four digital inputs allow execution of external control commands.
FLEXIBILITY
Our customers requested flexibility and the Messenger delivers. We provide flexibility in connecting sensors, reporting, displaying data, configuration and implementation. Sensors for Turbidity, Concentration and Colour can all be connected to a Messenger. One Messenger can handle any combination of sensors, with up to 4 signal outputs. Each sensor is controlled independently. Reporting can be done in various formats, including data to be output as bar graphs*, line graphs*, or as numeric results. Measurement results are displayed and outputted individually with different units of measurement including NTU, JTU, AU, Hazen, EBC, PPM, g/l, %TS and others. Again, the reporting is individualized for each sensor. The timing of reporting is also controlled for each sensor, allowing for process control or meeting regulatory requirements in one transmitter. Configuration: The programming / calibration of the Messenger without display and with an LCD display will be done via a PC, Laptop or handheld PDA. The programming / calibration of the Messenger with Panel PC will be done via the integrated touch screen.
Implementation can be a single Messenger on a single sensor, a single Messenger on multiple sensors, or can be a network of Messengers and sensors. Only one PC or Panel PC with RS-484 interface (Modbus protocol) will be required for the configuration / calibration of the instruments in the network. Beyond these general provisions for flexibility are some that are more specialized. An example of this is in the equation of measurement results, e.g., difference (result1 – result2) measurements. Control of chemical dosing is important in waste treatment or in water plants. The Messenger can link incoming and post-dosage measurements to provide for more precise control of the chemical addition.
Environment: ATEX, UL or FM certified enclosures are available for use in hazardous areas zone I and zone II with no display or with LCD display configurations.
- Turbidity measurement
- Colour measurement
- Absorption measurement