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Multiparameter probe MPS-D8/Qualilog8
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Category: Water Quality – Sensors
- Robust, pluggable multiparameter sensor from 1.4439 stainless steel to accommodate up to eight sensors (water level, temperature, conductivity, pH, redox potential, oxygen, turbidity, etc.)
- Additional electric contact gauge function combined with KLL-Q-2 mobile field laboratory
- Slim design (Ø 48mm, 493 mm length), can be used from 2″-pipe diameter
- Output: RS485 (SHWP), Option: MODBUS, SDI-12, 0/4-20 mA
- Optional: Integrated, powerful SEBA data logger Qualilog8 for stationary use
Benefits
Individually configurable: Depending on the measuring task at hand, the MPS-D8 can be individually equipped with a maximum of eight water quality sensors and can detect up to 13 parameters.
Simple handling: Special bayonet locks grant the users a simple and quick replacement of worn sensors. The calibration and configuration of the MPS-D8 are carried out using a special USB-RS485 interface cable together with ConfigPC operating software (Windows). This will automatically detect if a probe is spent and must be replaced.
Robust: The housing of the MPS-D8 is made of high-quality 1.4439 stainless steel. The probe can thus be used even under adverse ambient conditions (e.g. landfill or other contaminated sites).
Variable: The proven and robust SEBA plug system of the MPS-D8 allows both the connection to mobile handsets (SEBA KLL-Q-2 Type electric water level gauge (KLL), Checker-2) and stationary data collectors with data transmission (UniLogCom, LogCom/FlashCom) or without data transmission (Qualilog8).
Application
- Water quality monitoring
- In surface waters: rivers, canals, springs, lakes
- Groundwater: extraction wells, field measurement sites, landfill, and construction sites
- Other applications: discharge monitoring
Accessories
Data collector – External:
Internal: Qualilog-8
Electric water level gauge (KL): KLL-Q-2
Handset: Checker-2
Calibration: Dual converter (USB/RS232 – RS485)
Operating software: SEBAConfig (Windows)
Specifications
Parameters: Water level [cm], [m]
Sensor: Relative pressure sensor
Measurement principle: Capacitive with ceramic measurement cell
Measuring range: 0-2 / 1 /4 /5 /20 /40 / 100/ 200m water column or according to specifications
Measuring accuracy: ± 0.1% FS
Long-term stability: ± 0.1% / year
Parameters: Water temperature [°C]
Sensor: NTC30 with polynomial linearization
Measurement principle: NTC resistance
Measuring range: -5 – +50°C
Measuring accuracy: 0.1°C
Dissolution: 0.01°C
Pressure Range: 0-50 bar
Parameters: Conductivity [µS/cm], [mS/cm]
Derived parameters: solutes [g/l], salinity, density [g/l]
Sensor: 4-electrode measuring cell
Measuring range: 0-200mS/cm (total)
Automatic measuring range switchover: 0-200µS/cm; 0,2-2mS/cm; 2,2mS/cm; 20-200mS/cm
Measuring accuracy: ± 1µS/cm for measuring range of 0-200µS/cm +/- 0,5% for measuring range of 0,2-200mS
Dissolution: 0.0001mS/cm
Temperature: -5°C-50°C
Pressure Range: 0-50 bar
Parameters: pH value [pH]
Sensor: Glass electrode
Measuring range: 0-14pH
Measuring accuracy: ± 0.1pH
Dissolution: 0.01 pH
Temperature: 0-50°C
Pressure Range: 0-20 bar
Parameters: Redox [mV]
Sensor: Glass electrode
Measuring range: -1200mV-1200mV
Measuring accuracy: ± 10mV
Dissolution: 0.1mV
Temperature: 0-50°C
Pressure Range: 0-20 bar
Parameters: Oxygen [mg/l]
Sensor:
- Derived parameters: oxygen saturation [%]
- Clark electrode (amperometry)
Measuring range: 0-40mg
Measuring accuracy: ± 0.5% FS
Dissolution: 0.01 mg/l
Temperature: 0-50°C
Pressure Range: 0-10 bar
Alternative Sensor:
- Oxygen [mg/l]
- Optical
Measuring range:
- 0-25mg/l (at 25°C, 1013hPa)
- 0-40mg/l (at 3°C, 1013hPa)
Measuring accuracy: ± 0.5% FS
Dissolution: 0.001mg/l
Temperature: -5°C-50°C
Pressure Range: 0-12 bar
Sensor:
- Turbidity [NTU]
- Derived parameters: suspended solids [mg/l]
- Optical
Measuring range: 0-1000 NTU and 0-5000 NTU
Measuring accuracy: ± 1% of the respective end of measuring range
Dissolution: ± 0.0125% of the respective end of measuring range
Temperature: 0-50°C
Pressure Range:
- 0-10 bar (with wiper)
- 0-20bar (without wiper)
Housing Material: 1.4404 stainless steel (standard)
Dimensions: 48mm, length: 493mm
Protection class Probe: IP68
RS485 interface: IP67 (immersion depth with dry cartridge up to 3m, depending on cable length)
Outputs: RS485 (SHWP) standard, MODBUS, SDI-12, 4-20mA (Optional)
Communications Interface: RS485
Power supply: 4-15VDC or 8-15VDC with optical sensors
Operating temperature: Parameter-dependent
Hanging depth: up to 1000m
Cable: Reinforced measuring cable with pressure compensation line
Gore-Tex membrane, desiccant cartridge with Silica Gel for protection of the pressure compensation line.
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