Apogee MQ-500 Par Meter (Full-Spectrum Quantum Meter)
This product has been retired.
Marijuana SA is an official distributor of the MQ-500.
Use this product for:
- PPFD Readings
- Mapping of Grow Lights
- Greenhouse Mapping
- Made in USA
- Calibration Uncertainty ± 5 %
- Measurement Range: 0 to 4000 µmol mˉ² sˉ¹
- Measurement Repeatability: Less than 0.5 %
- Long-term Drift (Non-stability) Less than 2 % per year
- IP Rating: IP68
Traditionally sensors only measured the light that falls exactly between 400nm – 700nm because this was all that we thought the plants could use for photosynthesis, this is untrue. Nowadays, scientists know that plants utilize infrared and ultraviolet light which fall out of the 400 – 700nm range. This diagram may help.
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What is the Apogee MQ-500
The MQ-500 quantum meter is the tool of choice for scientists all over the world to accurately measure photosynthetically active radiation from all light sources. It has a hand-held meter, attached via cable, that displays and stores measurements. The sensor incorporates a blue-enhanced silicon photodiode and custom optical filters with a rugged, self-cleaning sensor housing design, anodized aluminum body with acrylic diffuser. Typical applications include PPFD measurement over plant canopies in outdoor environments, greenhouses, and growth chambers, and reflected or under-canopy (transmitted) PPFD measurements in the same environments. Quantum sensors are also used to measure PAR/PPFD in aquatic environments, including salt water aquariums where corals are grown.
About the meter, MQ-500
The meter has a sample and log mode, and will record an integrated daily total in mol m-2 d-1. Sample mode will record up to 99 manual measurements. Log mode will power the meter on/off to make a measurement every 30 seconds. Every 30 minutes the meter will average the sixty 30 second measurements and record the averaged value to memory. The meter can store up to 99 averages, once full it will start to overwrite the oldest measurement with new ones. An integrated daily total will be recorded from the 48 averaged measurements (making a 24 hr period). Sample and log measurements can be reviewed on the LCD display or by downloading the data to a computer, however, the integrated daily total can only be viewed by downloading the data to a computer. Downloading data to a computer requires the AC-100 communication cable (a standard USB cable will not work) and ApogeeAMS software.
For instructions on how to use the meter for underwater measurements, see this page for the immersion effect correction factor.
|Dimensions||17 × 11.5 × 6 cm|
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