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.
|Measuring method||Light transmission method|
|Measurable range||Activated 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
|Repeatability||Within a reading value ±3% or ±10 mg/L, whichever is larger. (sensor connecting sludge measured value)|
|Transmission output||One points 4 to 20 mA DC Input/output insulation type Maximum load resistance 900 Ω|
|Contact output||Three 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 output||One points Active voltage contact output (connected supply voltage output)|
Contact capability: Solenoid valve drive for cleaning
|Contact input||One points Contact type: No-voltage a contact for open collector|
Contact capability: Can be selected from cleaning directives and transmission hold.
|Communication capability||RS-485 Two-wire input/output insulation type (not insulated from transmission output)|
|Ambient temperature||-20˚C to 55˚C (without freezing)|
|Calibration method|| |
|Self-diagnosis||Sensor check error, Converter error|
|Power source||90 V to 264 V AC, 50/60 Hz 35 VA (max.) when an automatic cleaner is connected.|
|Structure||Outdoor 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
|Weight||Approx. 4.5 kg|
|Equipment protected||CE marking, FCC rules|
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