PAR Sensor Photosynthetically Active Radiation
Polwax PAR50 is a high-precision Photosynthetically Active Radiation (PAR) Sensor designed to accurately measure light intensity in the 400 to 700 nm spectral range, which is critical for plant photosynthesis. Built under the Atmos Series, the PAR50 is ideal for greenhouses, horticulture, agriculture, hydroponics, vertical farming, and environmental research applications.
PAR50 – PAR Sensor
Atmos Series - PAR50
- Accurate Light Measurement
- High Accuracy and Stability
- Wide Measuring Range
- Output Signal : 4 - 20 mA / 0 - 10 V
- Protection Rating: IP65 for outdoor
- Compact and Durable Design
- Integrated Temperature Compensation
The Polwax PAR50 is a professional-grade Photosynthetically Active Radiation (PAR) sensor engineered to measure light intensity in the 400–700 nm wavelength range, which is critical for plant photosynthesis.
Designed for greenhouses, horticulture, vertical farming, and environmental monitoring, the PAR50 delivers stable, accurate, and repeatable measurements even in harsh outdoor conditions.
With its robust IP65-rated enclosure, advanced sensing technology, and multiple industrial output options, the Polwax PAR50 delivers reliable, stable, and accurate PAR measurements even in harsh outdoor environments.
Product Overview
Polwax PAR50 is a professional-grade Photosynthetically Active Radiation (PAR) sensor engineered for accurate measurement of light intensity in the 400–700 nm wavelength range, which directly influences plant photosynthesis and growth. It is designed to support modern greenhouses, hydroponics systems, vertical farms, and smart agriculture applications where precise light monitoring is critical.
The sensor features a high-precision photoelectric sensing element combined with a cosine-corrected optical design, ensuring reliable and uniform PAR measurements under varying light angles. With a fast response time and excellent long-term stability, the PAR50 helps optimize natural and artificial lighting for improved crop performance and energy efficiency.
Built with a rugged, UV-resistant enclosure and IP65 protection, the Polwax PAR50 performs consistently in outdoor and harsh environmental conditions. Multiple industrial output options, including 4–20 mA, 0–10 V, and RS485 Modbus RTU, allow seamless integration with PLC, controllers, and automation systems, making it a dependable solution for both research and commercial agriculture.
The Polwax PAR50 is a professional-grade Photosynthetically Active Radiation (PAR) sensor engineered to measure light intensity in the 400–700 nm wavelength range, which is critical for plant photosynthesis.
Designed for greenhouses, horticulture, vertical farming, and environmental monitoring, the PAR50 delivers stable, accurate, and repeatable measurements even in harsh outdoor conditions.
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Technical Data
Measurement Range
0 to 2500 μmol/m²·s
Accuracy
±3% Full Scale
Spectral Range
400 to 700 nm
Response Time
≤1 seconds
Power Supply
12-24V DC
Output Options
4-20mA, 0-10V, RS485 (Modbus RTU)
Operating Temperature
-40°C to 85°C
Response Time
< 1 second
Ingress Protection
Ip65
Housing Material
UV-resistant polymer
Cable Length
3 meters (customizable)
Weight
200 grams
Sensor Body
50mm diameter x 80mm length
Mounting Thread
M20 x 1.5
Features
Grow Smarter with Precise Light Control
Delivers highly accurate PAR measurements in the 400–700 nm spectrum, helping plants receive the right light at the right time for healthier growth and higher yields.
Seamless Integration,
Zero Hassle
Equipped with 4–20 mA, 0–10 V, and RS485 Modbus outputs, the PAR50 connects effortlessly with your existing control and automation systems.
Built for Real-World Farming Conditions
With a rugged IP65, UV-resistant enclosure, the PAR50 performs reliably in greenhouses and outdoor environments—season after season.
Applications
Greenhouses & Polyhouses
The Polwax PAR50 helps greenhouse and polyhouse growers precisely monitor light levels critical for photosynthesis. By providing accurate PAR data, it enables optimized use of natural sunlight and artificial grow lights, improving plant health, boosting yields, and reducing energy consumption. Ideal for climate-controlled environments where consistent and efficient crop production is essential.
Hydroponics and aeroponics systems
The Polwax PAR50 enables precise light monitoring in hydroponic and aeroponic environments where consistent illumination is critical for uniform plant growth. By accurately measuring PAR levels across growing zones, it helps optimize LED grow lighting, improve crop quality, shorten growth cycles, and reduce energy costs—making it ideal for modern soil-less farming systems.
