Bộ đo và điều khiển độ pH Horiba HP-480

Industrial pH meter

pH 0 to 14: resolution of 0.01 pH
Temperature 0 to 100: resolution of 1°C (selectable)

4 mA to 20 mA DC, input / output isolated type
Maximum load resistance 900 Ω
Transmission output range: freely selectable within the measurement range

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

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

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.

Two-point automatic calibration or manual calibration
Temperature calibration (one point)