PRO Series Transmitter, pH/ORP
The economical PRO-P3 Transmitter is easy to use with its menu-guided user interface. The NEMA 4X enclosure can be panel, wall, pipe, or integral sensor mounted. The interface is identical to GLI's 33-series analyzers. Versatile 2, 3, or 4-wire hookup capability. Isolated 4 - 20 mA output.
Introduction
The economical PRO-P3 Transmitter is easy to use with its menu-guided user interface. The NEMA 4X enclosure can be panel, wall, pipe, or integral sensor mounted. The interface is identical to GLI's 33-series analyzers. Versatile 2, 3, or 4-wire hookup capability. Isolated 4 - 20 mA output. The transmitter is also passcode protected.
Benefits
Multiple Measurements (pH, ORP, temperature, analog output value)
Multiple Language Capability
Versatile Sensor Compatibility
Auto/Manual Temperature Compensation
Simple Interactive Diagnostics
Technical Attributes
| Accuracy | ± 0.1 % of span, at 25 °C |
| Calibration Method | 2-point Buffer (for pH only) 1-point Sample (for pH or ORP) |
| Communication | 0/4 to 20 mA with 0.004 mA (12-bit) resolution (during calibration, the analog output is automatically held at the last measured value and, upon completion, returned to its active state) |
| Dimensions (H x W x D) | 95 mm x 95 mm x 60 mm |
| Display | 2-line by 16 character LCD |
| Load | Maximum permissible load dependent on power supply voltage, transmitter hookup arrangement, and wire resistance |
| Material | Enclosure: Polycarbonate |
| Measuring Range ORP | -2100 - 2100 mV |
| Measuring Range pH | Selectable Ranges: -2.0 - 14.0 pH -2.00 - 14.00 pH |
| Measuring Range Temperature | -20 to 200 °C |
| Memory Backup | All user settings are retained indefinitely without battery backup |
| Mounting | Panel, wall, pipe, or integral sensor mounting |
| Operating Temperature Range | -20 - 60 °C at 0 - 95% RH (non-condensing) |
| Parameter | pH/ORP |
| Power Requirements (Voltage) | 12 - 30 V DC |
| Relative Humidity | 0 - 95 % non-condensing |
| Repeatability | ± 0.05 % of span, at 25 °C |
| Response Time T90 | 1 - 60 s with output filter setting of zero |
| Sensitivity | ± 0.05 % of span, at 25 °C |
| Special Notes | The measured pH (or ORP) and temperature can be displayed separately or together on one screen. Both analog output values are shown together on one screen |
| Storage Conditions | -30 to 70 °C 0-95% Relative humidity, non-condensing |
| Temperature Compensation | -10 - 110 °C Automatic with selection for NTC 300 Ω, Pt1000 or Pt100 or manually fixed at a user-entered temperature; additional selectable temperature correction factors (ammonia, morpholine or user-set pH/°C linear slope) |
| Temperature Drift | 0.02 % of span per °C (zero and span), at 25 °C |
| Warranty | 12 months |
| Weight | 0.280 kg |
| What's included? | Controller, User Manual |
