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- HORIBA - Model HD-200 - Four-Wire ...
HORIBA - Model HD-200 -Four-Wire Analyzer
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
