
HD-200 (Four-Wire Analyzer)
Features
- 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)
Manufactured by HORIBA Advanced Techno
Specifications
Measuring method | Membrane type polarography method |
---|---|
Measuring range | Dissolved oxygen concentration: 0 to 20 mg/L Resolution: 0.01 mg/L |
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 input | One point Contact format: Open collector non-voltage a contact |
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 |
Construction | Outdoor installation type: IP65 protection level |
Compatible sensor | Sensor: 5505, 5510 Probe: DO-1100 |
Weight | Approx. 4.5 kg |
Equipment protected | CE marking, FCC rules |