TESTERS & MONITORS
720 SERIES II PH / ORP MONITOR / CONTROLLERS
720 SERIES II PH / ORP MONITOR / CONTROLLERS
720 Series II Sensor Specifications:
- Temperature Compensation: Integral temperature sensor provides automatic TC to 25°C between 0 – 100°C/ 32 – 212°F.
- Pressure/Temperature Limits: P72S: Intermittent use up to 50 psi/690 kPa 100°C/212°F. High Temperature models available, see pH/ORP Sensor Selection Guide.
- Cable: 5 wire, 24 ga. shielded, 10 ft./3 meters standard. 25 and 100 ft./8 and 30 meter lengths available.
- Material: 1/2″ MNPT: CPVC body. 3/4″ MNPT: Ryton®* body.
- Dimensions: P72S typical: overall length 165 mm/6.5 in., body 127 mm/5 in., electrode length 19 mm/.75 in.
- *Ryton® PPS is a registered trademark of Chevron Phillips Chemical Company LLC
Functional Specifications:
| Ranges | 0-14 pH or ±2000 mV ORP |
| Display | Analog Models: 2.5 in./63 mm meter |
| Digital Models: .5 in./13 mm 3½ Digit LCD | |
| Digital Option: 3½ Digit Backlit | |
| Linearity | Electronics: ±0.05% (±0.01 pH units/±1 mV of full scale) |
| Resolution | Analog Meter: ±0.13 pH units/±40 mV |
| Digital Display: ±0.01 pH units/±1 mV | |
| Sensitivity | 0.05% of full scale (0.01 pH units/1.0 mV) |
| Stability | ±0.05% of full scale (±0.01 pH units/±1.0 mV) |
| Repeatability | ±0.05% of full scale (±0.01 pH units/±1.0 mV) |
| Calibration Check | Built-in (7 and 0 pH / 0 and -2000 mV) |
| Recorder Output | Isolated 0-10 VDC @ 5 mA max. (linear); standard all models 100Ω |
| Output Impedance | 100Ω ±5% |
| Sensor Inputs | 1; 3 input option available. |
| (pH & ORP sensors may NOT be mixed.) | |
| Control Function | Single Alarm/controller fully adjustable 0-100% of full scale |
| Hysteresis: Adjustable from 0.3-3% of full scale | |
| Indicators: Above (red) and below (green) set point LEDs (reversible) | |
| Contact Rating: SPDT 10 amp @ 125 VAC, 30 VDC | |
| Relay operates increasing or decreasing reading (selectable) | |
| Second Alarm/controller, with above specifications – optional | |
| Solid State Output | Powered; 24 VDC unregulated 30 mA max. |
| Power | 115/230 VAC, 50/60 Hz, ±15% (user selectable) |
| 24 VAC optional | |
| Maximum Power Consumption | @ 115V: 100 milliamps |
| Dimensions | 152 H x 122 W x 96 D mm / 6 H x 4.8 W x 3.8 D in. |
| Construction | Fully gasketed, heavy-duty ABS case; water resistant and corrosion proof IP65/NEMA 4X rated |
| Ambient Temp Range | 0-60°C / 32-140°F |
| Weight | 0,9 kg/2 lbs. |
Data Sheet