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Tools for Monitoring Plant Lighting
Cat. No. MQ-200
Multi-Mode Quantum Meter with external sensor

The compact Apogee Instruments model MQ-200 light meter is the latest generation of handheld quantum meter featuring a state-of-the-art quantum sensor tethered to the meter.  The MQ-200 features a greatly expanded, stable LCD display which prominently shows instantaneous Photosynthetic Photon Flux (PPF) units directly as µmol m-2 s-1. The new display also indicates selectable modes for light source and data capturing or logging and as well as the currently displayed data sample number.  Modes and on/off are selected with five graphically rendered tactile membrane switches which provide superior reliability under field conditions.  The MQ-200 is factory-calibrated for both artificial and natural light sources, i.e. electric or sunlight.  

The handheld meter comes dual-calibrated for measuring PPF under both electric lighting sources or sunlight. The MQ-200 may used to measure PPF levels from other sources for which it was not initially calibrated such as incandescent, high pressure sodium and metal halide lamps.
Image of the MQ-200 Quantum meter with tethered sensor
Cat. no. Description $ Price USA (other)
MQ-200 Multi-mode  quantum meter with external sensor 349.00 (383.00)


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Specifications
  • Display Modes: fluorescent lighting and sunlight.
  • Range: Single 0 to 2000 µmol m-2 s-1 (full sunlight).
  • Sensor Location - External, tethered to a 2 meter cable (non-detactable).
  • Cosine response: Cosine corrected
  • Spectral response: (see graph)
  • Error correction: (see graph)
  • Temperature response: Less than 2% error from 10 to 35 degrees C.
  • Display: 3 1/2 digit LCD, 1.2 cm height.
  • Power: standard 9V battery (included).
  • Dimensions: 126 x 70 x 24 mm.
  • Weight: 150 g.
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