Product Overview
The SX-CPGNA Series online pH sensor uses an industrial-grade in-line electrode with long service life and a built-in temperature sensor for automatic temperature compensation. It supports RS-485 digital communication with Modbus protocol, enabling convenient networking and system integration without requiring an additional controller. The sensor is suitable for long-term online monitoring in water quality monitoring and treatment, wastewater treatment, industrial control, and biological applications.
Main Features
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Digital sensor with RS-485 output, standard Modbus protocol
- Low maintenance design; High resistance to interference; reduced recalibration requirements
- Built-in temperature sensor with automatic temperature compensation
- Industrial-grade in-line electrode for long-term stable operation
- Built-in calibration parameters, factory-calibrated for quick installation and commissioning
Product Application
Industries Served
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Water quality monitoring and treatmen
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Hydrological Monitoring
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Wastewater Treatment
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Swimming Pools
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Biological / Biotech Applications
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Industrial Control
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Technical Data
| Measurement | |
| Product Type | pH Sensor |
| Measurement Principle | Glass electrode method |
| Measurement Range | 0–14 pH |
| Accuracy & Calibration | |
| Accuracy | ±0.02 pH |
| Resolution | 0.01 |
| Calibration | 2-point or 3-point calibration |
| Power & Communication | |
| Supply Voltage | DC 12–24 V, ≥1 A |
| Power Consumption | 0.3 W |
| Digital Communication | RS-485 / Modbus |
| Environmental Conditions | |
| Operating Temperature | 0–50 °C (32–122 °F) |
| Maximum Pressure | 3 bar (43.5 psi) |
| Ingress Protection | IP68 (IEC 60529) |
| Mechanical & Materials | |
| Housing Material | POM + Titanium Alloy |
| Dimensions | Φ28 mm × 194 mm, excluding protective cap (Φ1.10 in × 7.64 in) |
| Cable Length | 10 m standard, customizable |
Certifications & Compliance
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