Industrial MLSS meter HU-200SS (Four-Wire Analyzer)

HU-200SS (Four-Wire Analyzer)

 

 

Segment: Process And Environment
Division: Process Water
Base product
Manufacturing Company: HORIBA Advanced Techno Co. Ltd.

 

  • No span calibration needed in transmission method
  • Long-life LED light source
  • Built-in reference light monitor for automatic compensation of light intensity fluctuation

 

 

Measuring methodLight transmission method
Measurable rangeActivated sludge (MLSS): 0-20000 mg/L   Resolution: 1 mg/L (0-10000mg/L)
Kaolin: 0-10000 mg/L   Resolution: 10 mg/L (10000-22000mg/L)
Clay(inorganic mud): 0-20000 mg/L
RepeatabilityWithin a reading value ±3% or ±10 mg/L, whichever is larger. (sensor connecting sludge measured value)
Transmission outputOne points 4 to 20 mA DC Input/output insulation type Maximum load resistance 900 Ω
Contact outputThree points Output type: No-voltage contact output Relay contact, SPDT
Contact capability R1, R2: Selectable from upper limit alarm, lower limit alarm, transmission output Hold, and cleaning output. (opened at alarm operation, closed usually, closed at power-off)
 FAIL: Error warning (normally closed; open when an error occurs; open when the power is turned OFF)
Cleaning outputOne points   Active voltage contact output (connected supply voltage output)
 Contact capability: Solenoid valve drive for cleaning
Contact inputOne points   Contact type: No-voltage a contact for open collector
 Contact capability: Can be selected from cleaning directives and transmission hold.
Communication capabilityRS-485   Two-wire input/output insulation type (not insulated from transmission output)
Ambient temperature-20˚C to 55˚C (without freezing)
Calibration method 
  • Zero calibration: With clean water
  • Span calibration: Concentration conversion method using coefficient input
  • Working curve selection: (selection of activated sludge and inorganic mud)
    There is a feature that allows you to match an instrument indicated value to a hand analyzed value of sludge (by the Mass method).
 
Self-diagnosisSensor check error, Converter error
Power source90 V to 264 V AC, 50/60 Hz 35 VA (max.) when an automatic cleaner is connected.
StructureOutdoor installation type: IP65 Protection class
Installation method: 50 A pole-mounted or wall-mounted
Material of case: Aluminum alloy (coated with epoxy modified melamine resin)
Material of mounting brackets: SUS304
WeightApprox. 4.5 kg
Equipment protectedCE marking, FCC rules

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