Quantum Sensors

Apogee Instruments quantum sensors measure photosynthetic light levels in both air and water, combining accuracy and durability at a competitive price. The sensor heads feature a unique blue diffuser that reduces spectral error to less than 5 % for sunlight (direct, diffuse, under plant canopy, reflected from plant canopy) and common electric plant lights (fluorescent, metal halide, high pressure sodium), and less than 10% for LEDs (blue, green, red, cool white, neutral white, and warm white).


The sensor has following special features :

  1. Next generation sensor head design
  2. Excellent cosine response
  3. Self-cleaning dome-shaped head
  4. Potted solid for extreme conditions
  5. Self-powered and amplified models
  6. Installed in growth chambers from industry leaders Convirion, Biochambers, Environmental Growth Chambers, and Percival Scientific
  7. Also available in multi-sensor “line quantum” models for spatially-averaged measurements
  8. Fully submersible
  9. Easily integrates with data-loggers
  10. Four year warranty
  11. Model

    SQ-110, -120

    SQ-212, -222

    SQ-215, -225

    SQ-311, -313, -316, -321, -323, -326

    Specification :

    Spectral Range: 410 nm to 655 nm Measurement Repeatability: < 1 % Response Time: < 1 ms Field of View: 180o


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