Quantum (PAR) sensors / MQ-303
Quantum meter with 3 Sensors
Overview
The MQ-303 is a field meter that will allow the user to accurately measure the spatial average of photosynthetically active radiation without the need of a datalogger or a PC. The MQ-303 has 3 quantum sensors in line separate to the meter.
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Specifications
Cosine Directional Response
- 45º zenith angle: ± 1%
- 75º zenith angle: ± 5%
Absolute Accuracy
- ± 5%
Uniformity
- ± 3%
Repeatability
- ± 1%
Spectral Range
409 to 659 nanometers
Response Time
- Less than 1 millisecond
Long Term Drift
- Less than 3% per year
Field of View
- 180º
Measurement range
- 0 to 2999 μmol m-2 s-1
Memory
- 99 manually stored data points
- Automatically store 99 consecutive 30 minute averages
- 99 daily averages
Input power
- Standard 3V coin cell battery
Mass
- MQ-303: 300 g
Operating Environment
- 0º C to 50º C
- Less than 90% non-condensing, relative humidity up to 30º C
- Less than 70% relative humidity from 30ºC to 50º C
Cable
- 2 meters of twisted-pair wire
- Foil shield
- Santoprene jacket
- Longer cable lengths are available in multiples of 5 meters
Display
- 4.5 cm width by 2.8 cm height
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Brochures
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