DFRobot RS485 Photosynthetically Active Radiation (PAR) Sensor (400-700nm) - IP67 Aluminium Alloy
The DFRobot RS485 PAR Sensor is a precision instrument for measuring Photosynthetically Active Radiation (400-700nm) in μmol/m²·s. Featuring RS485 Modbus-RTU communication and a 5-30V DC wide input range, it is designed for seamless integration with Arduino, Raspberry Pi, PLCs, and industrial data acquisition systems for agricultural and environmental monitoring.
Features
- Measures PAR (400-700nm) with a range of 0–4000 μmol/m²·s and ±5% accuracy.
- RS485 interface with Modbus-RTU protocol for robust industrial communication.
- Wide 5–30V DC power supply with low <10mA operating current.
- IP67-rated aluminium alloy housing with a cosine corrector for angular accuracy.
- Fast response time of less than 10 microseconds for dynamic light measurement.
Out of stock
The DFRobot RS485 Photosynthetically Active Radiation (PAR) Sensor utilizes a high-precision photoelectric sensing element optimized for the 400-700nm spectral band, which is critical for plant photosynthesis. It quantifies light intensity in μmol/m²·s, providing a direct measure of photon flux density available for plant growth. The integrated cosine corrector ensures measurement accuracy across a wide range of light incidence angles, adhering to the standard cosine response curve.
Housed in a durable aluminium alloy enclosure with an IP67 protection rating, the sensor is built to withstand harsh environmental conditions, including dust and temporary water immersion. Its RS485 Modbus-RTU communication protocol ensures reliable, noise-immune data transmission over long distances, making it suitable for integration into distributed monitoring networks, agricultural control systems, and research-grade environmental stations.
Additional Information
| Weight | 0.28 kg |
|---|---|
| Dimensions | 17 × 10 cm |
