Decentlab Photosynthetically Active Radiation Sensor


LoRaWAN® Photosynthetically Active Radiation Sensor

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The Decentlab LoRaWAN®-enabled photosynthetically active radiation (PAR) sensor measures photosynthetic photon flux density (PPFD) in units of micro-moles per square meter per second (μmol/m2/s).

With a measurement range of 0 – 4000 μmol/m2/, spectral range of 410 – 655 nm and a field of view of 180°, this sensor features a 5m long cable and an adjustable leveling plate including bubble level.

The Decentlab photosynthetically active radiation sensor is compatible with LoRaWAN® networks of any provider. Simply place and measure; no setup required.

Ideal for applications such as:

  • Plant canopies in outdoor environments
  • Smart Agriculture
  • Greenhouses
  • Growth Chambers

Configurable via command line interface and downlink command interface this sensor can be left unattended for several years without replacing the batteries.

Housed in a robust polycarbonate enclosure, this device is weatherproof, impact and UV-resistant with an IP67 rating.


  • LoRaWAN® Compatible
  • Requires standard alkaline (C-type) batteries
  • CE compliant
  • Wireless range up to 10 km (line of sight), approx 2 km (suburban areas)
  • Suitable for monitoring outdoor environments


Power Supply:

Internal battery type: 2 x alkaline C batteries (LR14)
Power Consumption (average) < 0.5 mW (10 min interval)

Operating Conditions:

Temperature -20 – +50°C
Humidity 0 – 100% RH

Mechanical Specifications:

Transmitter Dimensions 135 mm (L) x 81 mm (W) x 70 mm (H)
Sensor Head Dimensions 25 mm diameter, 33 mm height
Leveling Plate 80 mm diameter, 8 mm height
Weight 620g including batteries and sensor
Sensor device material, IP rating Polycarbonate; weatherproof, impact-, UV-resistant (IP66/IP67)
Pressure equaliser plug with PTFE membrane (IP68)
Sensor: IP67 rating

Key documents & information

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, currency conversions and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best LoRaWAN® Photosynthetically Active Radiation sensors to suit specific project requirements.

Discount trade prices available
Speak to the team

Additional information

Weight 620 g
Dimensions 135 × 81 × 70 mm


White Grey

Environmental Protection

IP67 Rated

Measurements Taken

Power Source




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