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Message InquiryPH3200 Online pH/ORP Meter
As shown in the figure:
● Can be used with various pH and ORP sensors
● Fully intelligent, featuring high-precision AD conversion and microcontroller-based processing technology, with powerful functionality.
● High reliability: components are integrated onto a single circuit board, eliminating the need for complex function switches and potentiometers.
● Strong anti-interference capability and excellent electromagnetic compatibility.
● Automatic range switching within the measurement range covered by the electrode
● 4–20 mA current output, or RS485 output
● Standard IP65 waterproof body design
● Can be installed on dials, pipelines, and walls.
Technical Indicators:
Measurement range | pH: 0–14.00 pH, 0.01 pH ORP: ±2000, 0.1 mV Temperature: 0–99.9°C, 0.1°C |
| Automatic temperature compensation range | 0–99°C, with 25°C as the reference. |
| Repeatability error of the electronic unit | ±0.02 pH |
| Input impedance | ≥1012 Ω |
| Current-isolated output | 0–10 mA (load < 1.5 kΩ), 4–20 mA (load < 750 Ω) |
| Output current error | ≤±1%FS |
| High and low alarm relays | AC 220V, 3A |
| Power supply | AC 220 V ± 22 V, 50 ± 1 Hz or 24 V DC |
| Communication interface | RS485 |
| Protection rating | IP65 |
| External dimensions | 146 (L) x 146 (W) x 108 (D) mm |
| Installation size | 138 mm × 138 mm |
| Weight | 0.8 kilograms |
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