| Product name | ORP meter | |
|---|---|---|
| Model | HO-480 | |
| Measuring range | ±2000 mV: resolution of 1 mV | |
| Repeatability | Within ±5 mV (method by reference voltage input) | |
| Linearity | Within ±5 mV (method by reference voltage input) | |
| Transmission output | 4 mA to 20 mA DC: input/output isolated type Maximum load resistance: 900 Ω Transmission output range: Free setting within the measuring 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 under maintenance. | |
| Transmission output hold feature | Selectable function
| |
| Self-diagnosis function |
| |
| 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 Teminal:IP00 Class II device (IEC61010-1) Pollution level 2 (IEC61010-1) | |
| Conforming standards | CE Marking | EMC Directives EN61326-1 Low Voltage Directive EN61010-1 RoHS Directive: EN50581 Class A, Industrial electromagnetic environment ??Immunity (Industrial electromagnetic environment) ??Noise increase ±0.2 pH or less |
| FCC Rule | FCC Part15 | |
| External dimensions | 48 (W) mm × 96 (H) mm × 115 (D) mm Case depth: approx. 105 mm | |
| Mass | Approx. 400 g | |