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SQ-521 photosynthetically active radiation sensor
SQ-521 photosynthetically active radiation sensor
Product details
main features
● Measure photosynthetically active radiation
● Full spectrum 180 ° incident angle range
● Suitable for various scenarios such as indoor, greenhouse, and outdoor use. Various artificial light sources such as LED can be measured.
● Under controlled conditions, each sensor undergoes pre calibration for various light sources to ensure accuracy. NIST standards are traceable.
● The accuracy of the sensor is related to whether it is installed horizontally and the cleanliness of the photosensitive surface. The dome shaped sensor head reduces the frequency of cleaning required. The horizontal base ensures correct installation.
● Easy to connect with ZL6 data acquisition, plug and play, connect to ZentraCloud to obtain data from the cloud and manage devices.
● The sensor is waterproof and can be used in the field for a long time
TECHNICAL INDEX
Input voltage |
5.5 ~ 24 V DC |
current consumption |
1.4 mA (under test), 1.8 mA (during operation) |
accuracy |
± 5% |
measuring range |
0 ~ 4000 μmol m-2s-1 |
accuracy |
< 1% (Up to 5000 μmol m-2s-1) |
Long-term Drift |
<2% per year |
response time |
0.6s |
angle of view |
180° |
Measuring wavelength range |
389-692 nm ± 5 nm (wavelength range response greater than 50%) |
spectral selectivity |
< 10% @ 412 ~ 682 ± 5 nm |
Direction (cosine) response |
± 2% @ 45 ° zenith angle, ± 5% @ 75 ° zenith angle |
Azimuth error |
< 0.5% |
Tilt error |
< 0.5% |
Temperature response |
-0.11 ± 0.04% per ℃ |
Daily total uncertainty |
< 5% |
detector |
Blue enhanced silicon photodiode |
casing |
Anodic aluminum with acrylic scattering window |
IPprotection |
IP68 |
work environment |
-40 ~ 70 °C; 0~100% RH (non condensing); Can be placed underwater for 30 meters |
size |
serial number#3033 and above:Diameter 30.5 mm, height 37 mm serial number#0-3032：Diameter 24 mm, height 37 mm |
Weight (5-meter cable) |
serial number#3033 and above:140 g serial number#0-3032：100 g |
Cable length |
5 m |
interface type |
3.5mm stereo plug |
Compatible with data collection (requires separate purchase) |
METER Em50/50G, EM60 series, ZL6 series, ZSC, ProCheck |
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