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Middleton UV Radiation Sensor UVR1-A/UVR1-B
Middleton UV Radiation Sensor UVR1-A/UVR1-B
Product details
UVR1 series ultraviolet radiation sensor
Middleton SolarThe company'sUVR1Series precision filter radiation meter, used for measuring total solar ultraviolet radiation.UVR1-TandUVR1-A ultraviolet radiation sensorSuitable for air pollution monitoring,UVR1-BSuitable for biological and human erythema monitoring.
UVR1-AUV radiation sensorThe impact of changes in ozone layer concentration on reaching the ground through the atmosphere is minimal, and the vast majority can reach the ground;UVR1-T is completely absorbed by the ozone layer and cannot reach the ground; UV-B is greatly affected by changes in ozone layer concentration before reaching the ground. althoughUVR1-The energy occupied by B radiation accounts for only 0.2% of the total solar radiation, but it is a key band that affects the chemical composition and processes of the atmosphere.UVR1-A andUVR1-B together determine the intensity of the ultraviolet index on the ground, but there are great challenges in accurately measuring UV-A and UV-B ultraviolet radiation sensors, requiring detection equipment with good cosine response and a response function that accurately matches the ultraviolet band spectrum.
| brand | AustraliaMiddleton |
| model: | UVR1-T, UVR1-A, and UVR1-B |
| Spectral response range |
UVR1-T：280-400nm UVR1-A：315-400nm UVR1-B：280-315nm |
| measuring range |
UV-T：0-75 W/㎡ UV-A：0-70W/㎡ UV-B：04 W/㎡ 0-10MED/hr |
| Center wavelength, half power bandwidth |
UVR1-T：340 ±3.5nm；70 ±3.5nm UVR1-A：355 ±3.5nm；40 ±3.5nm UVR1-B：307 ±0.9nm；7.5 ±1.5nm |
| Sensitivity (typical) |
UVR1-T & UVR1-A：25 mV/W/㎡ UVR1-B：350 mV/W/㎡ |
| Detector type, effective area | UVSilicon photodiode+amplifier,25 mm2 |
| Response time (90%) | 0.5s |
| instability(every year) | < ?3% |
| Nonlinear | < 1% |
| Directional error(cosine+azimuth angle) | < ± 2% (0-85°zenith angle) |
| temperature error | Negligible (heating turned on) |
| Dark offset(50℃Environmental temperature changes) |
±1.5mV (30℃&40℃heater) ±2.5mV (50℃heater) |
| Ambient Temperature(Heater on; close) | -30—45℃(open)；-20—60℃(close) |
|
Thermal Control: Selection of Heater Placement Point Stable positioning point |
30℃；40℃(default); 50℃< 2.5℃(50℃environmental change) |
| Power supply demand(Heater on) |
5.5—14.5VDCSingle power supply maximum12W, typical2W |
| Stable current consumption | Heater+detector turned off:< 1mA |
| temperature signal(detector/filter); Accuracy | 10mV/℃(For example:0.4V = 40℃)；±1℃ |
|
Top cover |
UVR1-AQuartz glass UVR1-T & UVR1-B: fused silica |
| cable | 6m |
| install | Chassis CenterM10Hole,65mm P.C.DAttach a pair on topM4hole |
| weight | 1.1kg (Excluding cables) |
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