Analog PH/ ORP Controller With Historical data records and RS485 For Sewage Or Drinking Water
pH controller APX2-C3 with historical record functionality and an RS485 communication interface offers the following features and advantages:
Historical Record Functionality:
Data Logging: The pH controller can record past pH value data, typically with timestamps, allowing users to review and analyze pH trends and variations over a certain period.
Event Logging: In addition to pH values, the pH controller can also log events related to the control process, such as alarm events, calibration events, operational records, etc., facilitating troubleshooting and quality control.
Historical Data Storage: pH controllers typically provide options for internal or external data storage, enabling long-term retention of historical data for future analysis and review.
RS485 Communication Interface:
Real-time Monitoring and Control: Through the RS485 communication interface, the pH controller can transmit real-time pH data to monitoring systems, computers, or other devices, enabling real-time process monitoring and control.
Data Transmission Security: RS485 communication boasts high noise immunity, ensuring the reliability and security of data transmission, particularly suitable for long-distance data transfer in industrial environments.
Integration: pH controllers can be integrated with other devices such as PLCs, data acquisition systems, etc., making the entire automation control system more coordinated and efficient.
In summary, a pH controller with historical record functionality and an RS485 communication interface provides comprehensive data recording and monitoring capabilities, while also supporting flexible control and access. It is well-suited for applications in industrial processes and laboratory settings that require high levels of automation and precise control.
Specification:
Model | APX2-C3 | APX2-G4 | ||
Principle | PH | Glass pH electrode (hydrogen ion concentration index) | ||
ORP | Platinum or gold electrodes (redox potential) | |||
Display Range | PH | 0~14pH | ||
ORP | ± 2000mV | |||
Temp | -10~150℃ | |||
Solution Ground | N/A | Differential ground | ||
Resolution | pH: 0.01pH ORP: 1mV TEMP: 0.1℃ | |||
Accuracy | 0.1% of the measuring range or ±0.02pH / ±2mV, take the larger one | |||
Stability | 0.05% of measuring range every 24 hours without accumulation | |||
Repeatability | Better than 0.1% of measuring range | |||
Temp Compensation | Automatic or manual (NTC10K/PT1000) | Automatic or manual (NTC10K/PT1000) Converted at 25°C | ||
Relay Output | Two SPST relays, Max. load 3A/250VAC, set high/low alarm, temp or clean control | |||
Digital Communication | A two-wire RS485, Modbus, JSON | |||
Current Output | Two 0/4~20mA current Max. load 1000Ω | |||
Language | English | English and Chinese | ||
Time Display | Year/month/date hour/minute/second | |||
Historical Data | 10000 historical data can be recorded, Record the last 100 calibration maintenance data | |||
Display | 128*64 3.2-inch graphic dot matrix LCD | |||
Calibration Method | PH: 3 points; ORP: 2 points | PH: 3 points; ORP: 2 points PH: 5 points multi-slope calibration | ||
Protection Grade | IP66 | |||
Enclosure Material | Enhanced ABS | |||
Power Supply | AC: 100~240V or DC:18~36V, 50/60Hz | |||
Dimension | 144*144*120mm (Hole size 138*138mm) | |||
Electrical Interface | Reserve three M12*1.5 glan heads, the wire diameter is 3~6.5mm | |||
Work Temperature | 0~60℃, RH<95%, non-condensing | |||
Storage Temperature | -20~70℃, RH<55%, non-condensing | |||
Installation | Wall mounting, pipe clamp, panel | |||
Power Consumption | Max. 3W |
Brief introduction:
The use environment includes but not limited to the following:
Laboratory environment:
pH and ORP sensors are commonly used in laboratories for chemical analysis, biological experiments and research applications. These environments are often tightly controlled to ensure high precision and accuracy.
Industrial production:
Chemical plants, pharmaceutical plants, food processing plants, and other industrial sites use pH and ORP sensors to monitor and control production processes. This helps ensure product quality, increase production efficiency and avoid unnecessary waste.
Environmental monitoring:
pH and ORP sensors are widely used in the field of environmental monitoring to detect and monitor the properties of water, soil, wastewater and pollutants. This helps protect the natural environment and human health.
Water treatment:
Drinking water treatment plants and wastewater treatment plants use pH and ORP sensors to monitor and regulate the pH and redox properties of water to ensure water quality is up to standard.
Pool and Spa:
pH sensors are used to monitor the pH level of swimming pool and spa water to maintain clean and safe water.
Agriculture:
The field of agriculture uses pH sensors to monitor the pH of the soil to determine the most suitable soil conditions for growing different crops.
Food and drinks:
The food and beverage processing industry uses pH sensors to monitor and regulate the pH of food products to ensure product safety and taste.
Aquarium:
pH and ORP sensors are used to monitor the quality of water in fish tanks, aquariums and aquarium exhibits to ensure the health of fish and aquatic life.
It should be noted that different applications may have different requirements for sensor accuracy, durability and environmental conditions. Therefore, when choosing pH and ORP sensors, you must consider the characteristics of the use environment and choose a suitable sensor model to ensure accurate and reliable measurement.