0 - 9999mg/L MLSS Analyzer, Suspended Solids Analyzer / Meter MLSS10AC
1. Application
Measure low, medium and high suspended solids concentrations using the multi-beam pulsed light method in municipal and industrial wastewater treatment process
• Sewage treatment plants
Inflow of wastewater, aeration tanks, returned sludge, primary sedimentation tanks, secondary sedimentation tank, thickening tank, sludge dewatering, etc.
• Water supply plants
Sedimentation tank
• Pulp & Paper
Pulp density
• Coal preparation plant
Sedimentation tanks, concentration tanks
• Power plant
Influent water treatment, Condensate, Boiler feed water, Cooling water, Wastewater
• Other industries:
Gush arenaceous liquid of PCB industry, marsh gas generate electricity( biogas power generation).
2. Features and Benefits
• Based on the innovative multi-beam light method for compensation of sensor soiling, the measurement is
not affected by contamination.
•High-quality 880nm optical and electronic assemblies eliminate interference from extraneous light sources.
• Digital sensor has good anti-interference performance and high stability, and the cable length is available in hundreds of meters.
• Connections between the sensor(s) and the transmitter are “plug and play”, and multi-channel transmitter operates either 1 or 2 sensors.
• Modbus RS485/RS232 or Profibus DP network connection for data transmission is Optional.
• The menu is available in Chinese or English.
• 3 Relays with programmable hysteresis provide high-limit alarm, low-limit alarm or timer.
• A built-in data logger with the capacity to store data for up to 10 years collects measurement data at user selectable intervals.
3. Specifications
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Performance characteristics
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Measuring Range
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Activated sludge: 0~25g/L,0~9999mg/L, 0~400g/L (depends on the medium)
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Measurement Units
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g/L,,mg/L,ppm,% (optional)
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Resolution
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0.01g/L, 1mg/L, 1ppm, 0.01%
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Accuracy
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±1%FS (depends on the medium and homogeneity)
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Repeatability
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1%
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Response time
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Less than1 second (adjustable)
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Calibration
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Factory calibrated, also can be calibrated by customer on site
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Display
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LCD displays data including date, time, measurement value, trendline, etc., English menu
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Data storage
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Automatic Data Storage for up to 10 years, power-off data protection
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Outputs
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Analog Outputs
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0/4-20 mA output( maximum load 800 ohms), optional selection of 3.8mA or 21mA(under the condition of malfunction)
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Relay Outputs
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3 Relays with programmable hysteresis, alarm or timer function optional
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Relay Capacity
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2A, 250VAC
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Digital Communication
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MODBUS RS232/RS485,Profibus DP is optional
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Power supply
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AC power supply
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85~265 VAC, 50Hz/60Hz
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DC power supply
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24 VDC ±10%
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Physical parameters
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Dimension of Transmitter
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270×205×100mm(W×H×D)
(10.6*8*3.9 in.)
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Dimension of Sensor
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Φ45×112mm (1.8*4.4 in.)
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Materials
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--Transmitter: PC
--Sensor: 316L stainless steel
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Process Connection of Sensor
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1 inch cone male thread
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Pipe Installation Fitting
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for pipes from DN 65, < 6 bar (87 psi)
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Environmental conditions
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Ingress Protection
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--IP66 (transmitter)
--IP68 (Sensor)
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Operating Temperature
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--Transmitter: -20~60℃
--Sensor: 0~60℃
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Operating Pressure
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≤6Bar
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Air Cleaning
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0.7~3Bar
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4. Ordering Information
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Ordering Information
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Transmitter Selection
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Channel number
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Signal output
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Power version
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MLSS
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code
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meaning
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code
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meaning
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code
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meaning
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1
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Single channel
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0
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4~20mA
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AC
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220VAC
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2
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Dual channel
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1
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RS 485(Modbus)
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DC
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24VDC
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2
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RS 232(Modbus)
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3
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Profibus DP
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Example:
MLSS10AC, single channel transmitter of suspended solids concentration analyzer, output 4~20mA, 220V AC Power Supply.
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Sensor Selection
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Install mode
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Cable length
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MLSS-S
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code
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meaning
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code
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Meaning
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0
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Immersion installation
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C10
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10m cable
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1
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Insertion installation
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CXX
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XXm cable
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Example:
MLSS-S0C10, a suspended solids concentration sensor, immersion-typed install , with 10m cable.
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(3) Accessories
FA0000: Immersion mounting bracket, stainless steel
FA0001: Immersion mounting bracket, PVC
FA0010: Insertion mounting bracket, stainless steel, with DN50 stainless steel cut-off ball valve
FA0020: Stainless steel floating ball mounting bracket
FA0021: PVC floating-board mounting bracket
FA0900: Stainless steel adapter
FA0901: PVC adapter
FA0800: Instrument protective housing, stainless steel
FA0810: Instrument protective housing, stainless steel, with heater unit
FC0000: Automatic air cleaning accessories
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