The Trolmaster Full Spectrum Quantum Sensor (MBS-PAR) enables precise measurements of photosynthetically active radiation (PAR) from all light sources in plant cultivation. With a spectral range of 389 to 692 nm ± 5 nm and improved spectral response for accurate LED measurements. The sensor works with the Hydro-X control unit to automatically adjust and maintain the lighting level. Keep dry and clean, do not spray water or foreign substances. Includes sensor, post clamp, RJ12 cable, RJ12 T-splitter and end caps. Dimensions: 550x285x410 mm, weight: 0.85 kg.