HU-200SS

HU-200SS (Four-Wire Analyzer)

Industrial MLSS meter (Four-Wire Analyzer)

HORIBA H-1 series of industrial water quality measuring instruments include a total array of measurement points for the broad applications required controling of water quality.
With sensors, cleaners, and various accessories, these water quality measuring instruments are applicable to all kinds of water treatment and reduce the maintenance load.

 

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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