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SQ-100X-SS optical quantum sensor/photosynthetically active radiation sensor
Self powered, 0~250mV analog output, 370nm~650nm spectrum, suitable for natural light sources such as sunlight.
Product details
SQ-100X-SS is a self powered light quantum sensor with analog output ranging from 0 to 250mV. It can be used to measure the photosynthetic photon flux density (PPFD) and photosynthetically active radiation (PAR) of plant canopy, reflection or transmission under canopy in the field, greenhouse, and growth chamber, supporting 370nm~650nm spectra, suitable for natural light sources such as sunlight.
The sensor is equipped with an M8 aviation plug, which simplifies the disassembly and replacement of the sensor, making it easy to maintain and recalibrate.
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SQ-100X-SS |
SQ-202X-SS |
SQ-204X-SS |
SQ-205X-SS |
SQ-301X-SS |
SQ-421X-SS |
SQ-422X-SS |
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power supply |
self-power |
5~24VDC |
7~24VDC |
5.5~24VDC |
self-power |
5.5~24VDC |
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type of output |
0~250mV |
0~2.5V |
4~20mA |
0~5V |
0~250mV |
SDI-12 |
Modbus |
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electric current |
—— |
10μA |
22mA(maximum); 2mA(Static) |
10μA |
—— |
1.8mA(Work); 1.4mA(Static) |
RS-232：37mA RS-485Static 37mA; Dynamic 42mA |
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calibration factor |
10µmol/m2/s/mV |
1.6µmol/m2/s/mV |
250µmol/m2/s/mV |
0.8µmol/m2/s/mV |
10µmol/m2/s/mV |
Set and store each one in the firmware |
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sensitivity |
0.1mV/µmol/m2/s |
0.6mV/µmol/m2/s |
0.004mA/µmol/m2/s |
1.5mV/µmol/m2/s |
—— |
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Nonlinear |
<1%（≤2500μmol/m2/s） |
<1%（≤4000μmol/m2/s） |
<1%（≤2500μmol/m2/s） |
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repeatability |
<0.5% |
<1% |
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response time |
<1ms |
<0.6s |
<0.2s |
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Long-term Drift |
<2%/year |
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angle of view |
180° |
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spectral range |
370nm~650nnm |
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directional response |
± 5% (75 ° zenith angle) |
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Temperature response |
-0.04%/℃ |
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work environment |
-10℃~60℃； 0~100RH%， Underwater depth<30m |
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Probe size |
Diameter 24mm x Height 33mm |
Diameter 30.5mm x Height 37mm |
Length 616.4mm x Width 16.5mm x Height 13.6mm |
Diameter 30.5mm x Height 37mm |
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weight |
90g |
140g |
310g |
140g |
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