LI-COR® Light Measurement Sensors

LI-19x Quantum Par Sensor
Absolute Calibration ±5% traceable to NIST
Sensitivity Typically 5 µA per 1000 µmol s-1 m-2
Linearity Maximum deviation of 1% up to 10,000 µmol s-1 m-2
Stability Typically < ± 2% change over a 1 year period
Response Time 10µs
Temperature Dependence 0.15% per °C maximum
Cosine Correction Cosine corrected up to 80° angle of incidence
Azimuth < ± 1% error over 360° at 45° elevation
Tilt No error induced from orientation
Operating Temperature -45 to 65 °C
Relative Humidity 0 to 100%
Detector High stability silicon photovoltaic detector (blue enhanced)
Sensor Housing Weatherproof anodized aluminum case with acrylic diffuser and stainless steel hardware
Dimensions 2.38 Dia. x 2.54 cm H (0.94" x 1.0")
Weight 28 g (1 oz)
Cable Length 3.0 m (10 ft)
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2229 5th Street, Berkeley, CA 94710 • (510) 848-5725 •