Spectrum Technologies 3415A LightScout Quantum (PAR)/DLI Meter (0.0 to 6500 µmol m⁻² s⁻¹, 400 to 700nm)

Range: PAR Light 0.0 to 6500 µmol m⁻² s⁻¹, 400 to 700nm

DLI (Daily Light Integral): 0.0 to 560.0 moles m⁻² day⁻¹

Display Resolution: PAR Light 0.1 µmol m⁻² s⁻¹ from 0.0 to 99.9, 1 µmol m⁻² s⁻¹ from 100 to 6,500

DLI: 0.1 moles m⁻² day⁻¹

Accuracy: ±5% (each meter is calibrated to a NIST traceable light sensor on a broad-spectrum light source)

Azimuth Error: ±1% over 360°

Daily Light Integral (DLI): Calculated continuously from light readings every 3 minutes

Water Resistant: IP-65 rated for use in rain, irrigation, and condensing environments (do not submerge)

Operating Environment: 32-130°F (0-55°C) with 0-100% RH (condensation ok)

Battery: CR2032 3v lithium coin cell included (2-year battery life)

Size & Weight: 5.75 x 1.75 x 0.85 in (14.6 x 4.5 x 1.8 cm), 0.17 lb (77 g)

Response Data: (Red line is meter response; Black line is ideal response)