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〈Catalog〉Panel mount type water quality measuring instruments 48/96 Series
| Product name | Industrial Residual Chlorine Meter | |
|---|---|---|
| Model | HR-480 | |
| Measurement method | Galvanic cell method | |
| Measuring range | 0 to 2 mg/L | 0.01 mg/L resolution (number of decimal places selectable between 1 and 2) |
| Repeatability | Within ±0.05 mg/L (with equivalent input) | |
| Linearity | Within ±0.05 mg/L (with equivalent input) | |
| Transmission output | 4 mA to 20 mA DC, input/output isolated type Maximum load resistance 900 Ω Transmission output range: freely selectable within the measurement range. | |
| 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/lower limit operation (ON/OFF control), alarm, and maintenance. | |
| Calibration function | Zero calibration (zero adjustment omissible) Span calibration (calibration by compariing with DPD tester) | |
| Transmission output hold feature | Previous value hold Optional value hold Continuous Selectable from the above (However, only the previous value hold is available in the maintenance mode.) | |
| Self-diagnosis function | Calibration function Zero error Sensitivity error Outside of the measuring range Converter error | |
| Ambient temperature | −5℃ to 45℃ | |
| Relative humidity | 20% to 85% (without dew condensation) | |
| Storage temperature | −25℃ to 65℃ | |
| Power supply | Rated voltage 100 V AC 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) | |
| Conforming standards | CE Marking | EMC Directive: EN61326-1 Low Voltage Directive: EN61010-1 |
| FCC Rule | FCC Part15 | |
| External dimensions | 48 (W) mm × 96 (H) mm × 115 (D) mm Case depth: approx. 105 mm | |
| Mass | Approx. 400 g | |
| Compatible sensor | RS-1 | |
| Measuring target | Free residual chlorine | |
| Water sample requirements | pH6 to pH8 (constant) Temperature 0℃ to 40℃ (constant) | |