Industrial dissolved oxygen analyzer (Four-Wire Analyzer)

Realizes both the cartridge method membrane replacement and the membrane internal liquid replacement regeneration system Responds to a wide range of measurements (boiler water/rivers/aeration treatment, etc.)

Segment: Process And Environment

Division: Process Water

Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Measuring method	Membrane type polarography method
Measuring range	Dissolved oxygen concentration: 0 to 20 mg/L Resolution: 0.01 mg/L Saturation ratio: 0 to 200% Resolution: 1% Temperature: 0 to 50˚C Resolution: 0.1˚C
Repeatability	Dissolved oxygen concentration: ±0.5% full-scale or less, Temperature: ±0.5˚C (for equivalent input)
Linearity	Dissolved oxygen concentration: ±0.5% full-scale or less, Temperature: ±0.5˚C (for equivalent input)
Transmission output	Two points 4 to 20 mA DC Input/output insulated type Maximum load resistance 900 Ω
Contact output	Three points Non-voltage contact output Relay contact, SPDT(1c) Contact function R1, R2: Selectable from upper limit alarm, lower limit alarm, ON/OFF control, transmission output hold operation, cleaning output FAIL: Malfunction alarm Control operation Control range: 0.02 to 1.00 mg/L (±0.01 to ±0.50 mg/L)
Contact input	One point Contact format: Open collector non-voltage a contact Contact function: Cleaning operation external input
Communication function	RS-485 Two wire system, Input/output insulated type (not insulated for transmission output)
Temperature compensation range	0 to 50˚C
Ambient temperature	-20 to 55˚C
Temperature measurement element	Pt 1000 (0˚C) (Built into DO-1100 probe)
Calibration method	Atmospheric calibration or saturated liquid calibration
Self-diagnosis function	Calibration error, Sensor diagnosis error, Analyzer malfunction
Power supply	90 to 264 V AC 50/60 Hz Power consumption 15 W or less
Construction	Outdoor installation type: IP65 protection level Mounting method: 50A pole or wall mounted Case: Aluminum alloy Mount fitting/hood: SUS304
Compatible sensor	Sensor: 5505, 5510 Probe: DO-1100
Weight	Approx. 4.5 kg
Equipment protected	CE marking, FCC rules

Measuring method

Membrane type polarography method

Measuring range

Dissolved oxygen concentration: 0 to 20 mg/L Resolution: 0.01 mg/L
Saturation ratio: 0 to 200% Resolution: 1%
Temperature: 0 to 50˚C Resolution: 0.1˚C

Repeatability

Dissolved oxygen concentration: ±0.5% full-scale or less, Temperature: ±0.5˚C (for equivalent input)

Linearity

Dissolved oxygen concentration: ±0.5% full-scale or less, Temperature: ±0.5˚C (for equivalent input)

Transmission output

Two points 4 to 20 mA DC Input/output insulated type Maximum load resistance 900 Ω

Contact output

Three points Non-voltage contact output Relay contact, SPDT(1c)
Contact function R1, R2: Selectable from upper limit alarm, lower limit alarm, ON/OFF control, transmission output hold operation, cleaning output
FAIL: Malfunction alarm
Control operation Control range: 0.02 to 1.00 mg/L (±0.01 to ±0.50 mg/L)

Contact input

One point Contact format: Open collector non-voltage a contact
Contact function: Cleaning operation external input

Communication function

RS-485 Two wire system, Input/output insulated type (not insulated for transmission output)

Temperature compensation range

0 to 50˚C

Ambient temperature

-20 to 55˚C

Temperature measurement element

Pt 1000 (0˚C) (Built into DO-1100 probe)

Calibration method

Atmospheric calibration or saturated liquid calibration