PAR, Daily Light Integral, Photoperiod Meters,Full-Spectrum
Spectral Measurement Range
389 to 692 nm
Live photosynthetically active radiation (PAR)
• Logs and displays 99 days of:
• Daily Light Integral (DLI)
• Photoperiod to 0.1 hours
• View data on-screen or download via USB-C port
• ¼-20 threaded mounting socket for use with
common camera tripods, etc
• Rugged and splashproof
• Scientific-grade accuracy
Calibration Uncertainty ± 5 %
Measurement Repeatability Less than 0.5 %
Display Range 0 to 4000 μmol m⁻² s⁻¹
Long-term Drift Less than 2 % per year
Field of View 180°
Directional (Cosine) Response ± 5 % at 75° zenith angle
Temperature Response -0.04 % per C
Response Time 2.5 seconds
Data Log Capacity 99 days (DLI & Photoperiod),
10 days (30 min PPFD/ePPFD averages)
Operating Environment -40 to 70 C; 0 to 100 % relative humidity;
Dimensions 1.91 W x 2.31 H x 0.93 D (inches)
Mass 67 g
IP Rating IP65