| Product name |
Industrial pH meter |
| Model |
HP-480TP |
| Measuring range |
pH 0 to 14: resolution of 0.01 pH
Temperature 0 to 100: resolution of 1°C (selectable) |
| 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 |
| Repeatability |
Within ±0.05pH of the full scale (by equivalent input) |
| Linearity |
Within ±0.05pH of the full scale (by equivalent input) |
| Contact output |
Output: 2 points
Alarm contact output (R1 and R2)
Contact type: relay contact, SPDT (1c)
Contact capacity: 240 VAC, 3 A and 30 VDC, 3 A (resistance load)
Contact function: selectable from upper/lower limit operation (ON/OFF control), alarm, and maintenance. |
| Control action |
·ON/OFF control
·Time sharing proportional control |
| Calibration function |
Two-point automatic calibration or manual calibration
Temperature calibration (one point) |
Transmission output
hold function |
·Just before hold
·Optional value hold
·Continuous
Selectable from the above (However, only the just before hold is available in the maintenance mode.) |
| Self-diagnosis function |
·Calibration failure
·Electrode self-check
·Outside of the measuring range
·Transducer error |
Temperature
compensation element |
Selectable from compensation ON (500Ω(25°C), 6.8kΩ(25°C), 350Ω(25°C), 1kΩ(0°C)
or 10kΩ(25°C)) and compensation OFF |
| Power supply |
Rated voltage 100 to 240 VAC, 50/60 Hz, 10 VA (max.) |
| Structure |
Indoor-use panel installation type
Panel: IP65 drop-proof structure |
| Protective structure |
Panel: IP65 (IEC60529, JIS C0920) |
| Conforming standards |
CE Marking
FCC Rule |
| External dimensions |
48 (W) x 96 (H) x 115 D mm
Case depth: approx. 105 mm |
| Mass |
Approx. 400 g |
