High Precision RS485 pH Sensor with 4-20mA Output and Automatic Temperature Compensation Seeed 314990622
Product Overview
The RS485 & 4-20mA Current pH Sensor (S-pH-01A) offers high accuracy, fast response, and good repeatability for pH measurement. It features a wide range power supply and is suitable for long-term immersion in soil or water due to its advanced, clog-resistant junction design and excellent anti-corrosion performance. The sensor provides automatic temperature compensation for accurate readings and offers flexible output options via MODBUS RS-485 or 4~20mA current. Its IP65 rating ensures waterproof capabilities for professional applications. This cost-effective, low-power, and compact sensor is easily integrated into various systems for both indoor and outdoor use.
Product Attributes
- Certifications: IP65 rated
Technical Specifications
| Product Model | Interface | Protocol | Current Output | Power Supply | Current Consumption | Operating Temperature | IP Rating | Cable Length | Installation | Device Weight | Range | Accuracy | Resolution |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S-pH-01A | RS-485 | MODBUS-RTU RS485 | 4 ~ 20 mA | 3.6 ~30V DC | Max 6mA@24V DC | -40 ~85 | IP65 | 7 meters | All buried or probe into all of the measured medium | 400g | 0 ~ 14 pH | 0.1 pH | 0.01 pH |
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