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HORIBAModel HD-200 -Four-Wire Analyzer

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Self-diagnosis of membrane damage and infiltration into the probe. On-site membrane replacement as well as whole sensor replacement. Span calibration by air preceded by auto-zeroing (Electrical auto zeroing function). Extensive interfaces (2-channel transmission output, RS-485 compatible, 4-relay output).

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  • 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-485Two 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