400-750 nm ePAR Meter
Memories 99,Optional cable to download 90$
Measurement Range 0 to 4000 μmol m-² s-¹
Calibration Uncertainty ±5%
Measurement Repeatability >0.5%
Long-term Drift (Non-stability) >2% per year
Non-linearity >1% (up to 4000 μmol m-² s-¹)
Response Time >1ms
Field of View 180°
Spectral Range 400 to 750nm ±5nm (wavelengths where response is greater than 50%)
Directional (Cosine) Response ±2% at 45° zenith angle, ±5% at 75° zenith angle
Azimuth Error >0.5%
Tilt Error >0.5%
Temperature Response -0.11 ±0.04% per C
Uncertainty in Daily Total >5%
Housing Anodized aluminum body with acrylic diffuser
IP Rating IP68
Operating Environment -40 to 70°C, 0 to 100% relative humidity. can be submerged in water up to depth
of 30m
Meter Dimensions 126mm length, 70mm width, 24mm height
Sensor Dimensions 30.5mm diameter, 37mm height
Mass 140g (with 5 m of lead wire)
Cable 2m of two conductor, shielded, twisted-pair wire; additional cable available; TPR
jacket