Product name | Industrial pH meter | |||
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Model | HP-480TP | |||
Measuring range | 0 pH to 14 pH: 0.01 pH resolution. Temperature 0℃ to 100℃: 1℃ resolution (selectable display). | |||
Transmission output | 4 mA to 20 mA DC, input/output isolated type Maximum load resistance 900 Ω | |||
Transmission output range | Free | |||
Repeatability and linearity | ±0.05 pH, ±0.08 mA (for transmission output range of 0 pH to 14 pH) | |||
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. | |||
Control operations | ON/OFF control
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Calibration function | 2 points automatic calibration or manual calibration. 2 points automatic calibration: with automatic validation of the electrode characteristics. Types of standard solution: pH 2, pH 4, pH 7, pH 9 and pH 10 (JIS) Combination of standard solutions: pH 7 and one of the others Manual calibration: Freely selectable, but the difference should be over 2 pH. Temperature calibration (one point). | |||
Transmission output hold feature |
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Self-diagnosis function |
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Temperature compensation element | Selectable from compensation ON (350Ω (25℃), 500Ω (25℃),1 kΩ (0℃),6.8 kΩ (25℃) and 10 kΩ (25℃)) and compensation OFF. | |||
Temperature compensated range | 0℃ to 100℃ | |||
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, 50Hz/60 Hz, 10 VA (max.) | |||
Structure | Indoor-use panel installation type Panel case: ABS, Terminal: PBT Panel: 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 Directives: EN61326-1 Low Voltage Directive: EN61010-1 RoHS Directive: EN50581 | 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 |