The photometer total nitrogen & total phosphorus version of the BlueMon system comprises of the following equipment: analyser unit and control and measurement electronics in a powder-coated cabinet.
- Measuring cell: photometer (wavelength and measuring gap is dependent on the method)
- Method: reaction of NH3 at a pH value of 12 to indophenol blue
- Wavelength: 643 nm
- Measuring range: selectable option
NUMBER OF SAMPLE CHANNELS:
SELECTABLE OPTION
- Number of free valves: dependent on procedure e.g. use as dilution channel (e.g. H2O)
- Number of peristaltic pumps: dependent on procedure
- Number of process valves: dependent on procedure
TECHNICAL DETAILS
- Protection classification: IP54 (optional IP65)
- Dimensions: (LxWxH): 600 mm x 300 mm x 700 mm
- Cabinet material: aluminium (powdercoated)
- Colour: blue (RAL 5010)
- Sample pressure: 0 bar (max 0.05 bar overpressure)
- Sample temperature: 10 °C … 35 °C
- Sample flow rate: 2 … 10 l/h, no suspended solids
- Samples with particle size > 30 microns need filtration
- Environmental temperature: 15 °C … 35 °C
- Operating system: embedded Linux
- Power consumption (average): 45W
EXTERNAL POWER SUPPLY UNIT
- Input voltage range: 85…265V AC
- Output: 230 V/50 Hz (power supply included)
MEASUREMENT, CONTROL INPUTS & OUTPUTS INTERFACES
- 1x Ethernet (incl. Modbus)
- 1x RS-232 or RS-485 (incl. Modbus)
- 1x CAN bus (for connecting further BlueBox System modules for sensors and actuators)
- 2x current output 4 – 20mA
ADDITIONAL INTERFACES:
SELECTABLE OPTION SENSORS
- 1x photometer interface with power adjustment for brightness control
- 1x connector for pH glass electrode
- 1x connector for temperature (PT1000) 0 – 80 °C
- 1x connector redox electrode
- 1x current input 4 – 20mA
- 6x digital i
- 1x connector for leakage sensor
- 6x connector bubble detector for sample reagent
ACTUATORS
- 1x output for digester with temperature, heating (0-150 °C) and UV monitoring
- 1x control stirrer
- 1x motor control forward/backward and pulse counter
- 2x motor control – (direction jumper selectable)
- 6x relays for valves, limit and interference signals
MEASURING METHOD
- Wet Chemical
IMPLEMENTATION
- Flow-through Measurement
BLUEMON MEASUREMENT METHOD
- Photometrie
PARAMETERS
- Ammonium
