| 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 ±0.05 pH of the full scale (by equivalent input) |
| Linearity |
Within ±0.05 pH 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
|