QSRED Quantum Sensor

QSRED Overview

The QSRED quantum sensor consists of a handheld display unit and matched cosine corrected sensor head containing a special high-grade photocell filtered for the 550nm – 750nm waveband. The μmol m^-2 s^-1 value from the sensor is displayed on the LCD display. 3 measurement ranges allow maximum sensitivity from 0 μmol m^-2 s^-1 – 2,000 μmol m^-2 s^-1.

QSRED is supplied with the Leaflab 2+ system to assist with effective calibration of the LH36/2R light source. Each unit is supplied with an individual certificate showing that system calibration has been carried out against a National Physical Laboratory (NPL) calibrated reference lamp.

Technical Specifications

Measuring Range: 0 μmol m^-2 s^-1 – 2,000 μmol m^-2 s^-1 in 3 ranges (0 μmol m^-2 s^-1 – 20.00 μmol m^-2 s^-1, 0 μmol m^-2 s^-1 – 200.0 μmol m^-2 s^-1, 0 μmol m^-2 s^-1 – 2,000 μmol m^-2 s^-1) in the 550nm – 750nm waveband
Resolution:
- 1 μmol m^-2 s^-1 at 0 μmol m^-2 s^-1 – 2,000 μmol m^-2 s^-1
- 0.1 μmol m^-2 s^-1 at 0 μmol m^-2 s^-1 – 200.0 μmol m^-2 s^-1
- 0.01 μmol m^-2 s^-1 at 0 μmol m^-2 s^-1 – 20.00 μmol m^-2 s^-1
PAR Sensor: Silicon photodiode/optical filter combination with white acetal diffuser (37mm dia.)
Signal Display: Hand-held display unit with LCD. 0V – 2V analogue output of measured values
Power Requirement: 1 x 9V PP3 cell
Dimensions Display (HWD): 146mm x 78mm x 35mm
Weight: 238g (including battery).

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QSRED Quantum Sensor