MLSS Analyzers-SS400G, SS300G-hkxytech
  • MLSS Analyzers-SS400G, SS300G

MLSS Analyzers-SS400G, SS300G

2016-05-27 15:13:37

Description:

The SS400 MLSS analyzer is a measuring system best suited to continuously and consistently measure the concentration of mixed liquor suspended solids (MLSS) in an activated-sludge treatment process found in sewage or industrial wastewater treatment facilities. The SS400G MLSS converter has a measuring range as wide as 500-20000 mg/l (ppm). Microprocessor-based, it has a wealth of self-diagnostic functions and alarm contact outputs like other converters in the EXA series, as well as excellent operability. The SS300G MLSS sensor uses a measuring method that compares transmitted light with scattered light. The sensor is designed with due care to the arrangement of the optical system. These design features enable measurement of even low concentrations, making the sensor less susceptible to disturbing light. The optional jet cleaning unit permits continuous and consistent measurement even in an application where the sensor is exposed to contaminants. A self-cleaning floating holder is available in addition to free-standing and immersion models, offering a wide range of choices according to the application needs.……

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Assortments

Description

SS400G, SS300G

The SS400 MLSS analyzer is a measuring system best suited to continuously and consistently measure the concentration of mixed liquor suspended solids (MLSS) in an activated-sludge treatment process found in sewage or industrial wastewater treatment facilities.

The SS400G MLSS converter has a measuring range as wide as 500-20000 mg/l (ppm). Microprocessor-based, it has a wealth of self-diagnostic functions and alarm contact outputs like other converters in the EXA series, as well as excellent operability.

The SS300G MLSS sensor uses a measuring method that compares transmitted light with scattered light. The sensor is designed with due care to the arrangement of the optical system. These design features enable measurement of even low concentrations, making the sensor less susceptible to disturbing light. The optional jet cleaning unit permits continuous and consistent measurement even in an application where the sensor is exposed to contaminants.

A self-cleaning floating holder is available in addition to free-standing and immersion models, offering a wide range of choices according to the application needs.

Converter

  • Wide output ranges, 0-1000 mg/l to 0-20000 mg/l.

  • Output in different two ranges.

  • Abundant contact outputs.

  • Enhanced self-diagnosis functions including failure in light source.

Sensor

  • Easy-to-maintain, lightweight, compact probe-like sensor.

  • Virtually no need for replacing light source and photodetector unit.

  • Pulse-driven light emission, eliminating effects of disturbing light.

  • Arrangement of optical system highly immune to effects of light reflecting from boundary surface.

  • Choice of jet cleaning unit.

  • Choice of various type of holders according to application needs.

Converter

Measuring objectConcentration of mixed liquor suspended solids (MLSS) in an aeration tank in a sewage or industrial wastewater treatment plant
Measuring methodTransmitted/scattered light comparison method
Measuring range500 to 20000 mg/l
Output signalTwo outputs, 4 to 20 mA DC; maximum load resistance: 600 Ω
Output rangeMinimum 0 to 1000 mg/l
Maximum 0 to 20000 mg/l
Contact outputFour outputs
Contact inputVoltage-free contact for remote range selection and start of cleaning
Ambient temperature-10 to 55℃
Relative humidity10 to 90% RH (non-condensing)
ConstructionComplies with JIS C0920 watertight, IEC IP65 and NEMA 4X standards
Supply voltage100 to 240 V AC, 50/60 Hz, 24 V DC
Power consumption22 VA maximum (AC power)
5 W maximum (DC power)
WeightApprox. 2.5 kg

Sensor

ShapeProbe-like Sensor
Measuring objectConcentration of mixed liquid suspended solid (MLSS) in an aeration tank in a sewage or industrial wastewater treatment plant
Measuring principleScattered/transmitted light comparison method
Measuring range500 to 20000 mg/l
Temperature of measured object0 to 50℃
Pressure of measured object0 to 200 kPa
Flow velocity1 m/sec maximum
Cable length3, 5, 10, 15 or 20 m
Material of wetted part or junctionBody; Stainless steel (304SS or equivalent)
Window; glass
O-ring; nitrile rubber
Cable; PVC
WeightApprox. 0.5 kg plus N x 0.12 kg, where N is cable length
Cleaning unit (optional)Jet cleaning
Note: No cleaning unit can be used if the sensor is equipped with a floating ball holder.
Material of wiper cleaning unitNitrile rubber and 304SS (wetted part)
Material of jet cleaning unitPolypropylene, polyethylene and 304SS (wetted part)
Ambient temperature-10 to 50℃
ConstructionComplies with JIS rainproof standard
Linearity±4.5 % F.S. (by stable kaolin)
Repeatability2 % F.S. (by stable kaolin)
StabilityZero: ±2 % F.S./day (by city water)
Span: ±2 % F.S./day (by calibration kit)