Differential Signal Input RS485 Online PH ORP Controller 100 ~ 240V AC
The pH ORP controller APX1-G2A is an instrument that continuously monitors the pH and ORP of a solution. It is used for continuous measurement of industrial processes and has both alarm and control functions. The pH of the neutral solution is 7, the pH of the acidic solution is less than 7, and the pH of the alkaline solution is greater than 7. By measuring the pH value of the wastewater, it is possible to determine the current pH of the solution, and then determine the amount of neutralizer to choose and how much to choose, so that the wastewater treatment process can be more clear.
Introduction Of The pH ORP Controller
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The measurement principle is the pH glass electrode measurement method;
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Large-screen LCD display, Chinese and English language selection, the screen displays the pH value, temperature, electrode type, relay status, and other parameters;
- The PH ORP controller with differential signal input is compatible with the DRFN pH sensor with grounded electrode;
- The housing protection grade is IP66, it can effectively isolate the pollution of the external environment;
- There are 2 SPST multifunction relays that can be set;
- There is a two-wire RS485 interface, the communication protocol is standard MODBUS RTU, and it also supports JavaScript Object Notation text data format.
Product Parameters
| Product Name | PH ORP controller |
| Product Model | APX1-G2A |
| Software Version | DRFN PH Analysis software V1.0 |
| PH Range | -2～16pH |
| ORP Range | ± 2000mV |
| Temperature Range | -10～150℃ /14~302℉ |
| Resolution | 0.01pH / 1mV/ 0.1℃ |
| Accuracy | PH:±0.02 pH /ORP:±2 mV |
| Stability | 0.05% of the measurement range per 24 hours, no accumulation |
| Sensor Diagnosis | Screen image display with a short buzzer alert |
| Analog Current Output | 2 settable 0/4~20mA active current loop output |
| Relay Control | 2 settable SPST relays |
| Communication Method | RS485 MODBUS RTU |
| Screen Display | 128 * 64 LCD |
| Operating Environment | 0～60℃, RH＜ 95% |
| Storage Environment | -20～70℃, RH ＜ 55% |
| Power Supply | 100~240V AC |
| Power Consumption | 3 W |
| Size | 100×100×120 mm (hole size 92*92mm) |
| Weight | 500g |
| Mounting Method | Panel installation |
Advantages Of The PH ORP Controller
1.The pH meter is with a differential signal, the measurement is more stable, and the anti-interference ability is stronger.
2.As the temperature of the aqueous solution changes, the concentration of hydrogen ions and hydroxide ions ionized from the aqueous solution will also change. This instrument has a temperature automatic compensation function, and when the temperature of the instrument changes, it will also compensate the hardware changes caused by temperature drift.
Applications Of The PH ORP Controller
Water treatment monitoring: Drinking water, surface water, water quality, groundwater, swimming pool, etc.
Industrial process monitoring and dosing control management: Chemical, petroleum, paper, food and medicine, electroplating, PCB manufacturing, etc.
If you are interested in the product PH ORP controller APX1-G2A, please contact us.
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Differential Signal Input RS485 Online PH ORP Controller 100 ~ 240V AC Images
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