Quantum Meter measures the total photosynthetic quantum energy of any light source (electric or sunlight).

Features:

• Measures photosynthetic radiation  (photon flux ) instantaneously
• Store 99 data points (manually) 30 minute averaages & daily totals
• Range 0-3000 micromol m(sqd) per second
• Operates from 0 to 50 Degrees C (90% RH)

Specs:

• 3 volts (coin battery)
• 11.9 x 5.9 x 1.4 cm
• 70 grams

Warranty: One-year parts and labor