| Product name | Dissolved oxygen meter | ||
|---|---|---|---|
| Model | HD-480 | ||
| Measurement method | Galvanic cell method | ||
| Measuring range |
| ||
| Repeatability | Within ±0.5% of the full scale (by equivalent input) | ||
| Linearity | Within ±0.5% of the full scale (by equivalent input) | ||
| Transmission output |
| ||
| Contact output | Outputs: 2 points Alarm contact output (R1 and R2) Contact type: relay contact, SPDT (1c) Contact rating: 240 V AC, 3 A and 30 V DC, 3 A (resistance load) Contact function: Selectable from “Upper limit operation”, “lower limit operation” (ON/OFF control), “anomaly alarm”, “during maintenance”, and “temperature” | ||
| Calibration function |
| ||
| Transmission output hold feature | Selectable from previous value hold, optional value hold or continuous (however,only the previous value hold is available in the maintenance mode) | ||
| Self-diagnosis function |
| ||
| Temperature-compensated range | 0℃ to 40℃ | ||
| Ambient temperature | −5℃ to 45℃ | ||
| Relative humidity | 20% to 85% (without dew condensation) | ||
| Storage temperature | −25℃ to 65℃ | ||
| Power supply | Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.) | ||
| Structure | Indoor-use panel installation type Panel case: ABS, Terminal: PBT Panel: IP65 dust and water proof structure | ||
| Protective structure | Panel: IP65 (IEC60529, JIS C0920) Rear case: IP20, Terminal:IP00 Class II device (IEC61010-1) Pollution level 2 (IEC61010-1) | ||
| Compatible standards | CE marking | EMC :EN61326-1 Class A, Industrial electromagnetic environment Safety :EN61010-1 RoHS :EN50581 9. Industrial monitoring and control instruments | |
| FCC rules | Part15 Class A | ||
| External dimensions | 48 (W) mm × 96 (H) mm × 115 (D) mm Case depth: approx. 105 mm | ||
| Mass | Approx. 400 g | ||
| Compatible sensors | Probe | DP-100 | Operating temperature: 0℃ to 45℃ |
Sensor | 5400, 5405 | ||

















































































































