Description
SENTEC SEM228A Photoelectric Solar Radiation Sensor
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The SEM228 total solar radiation sensor adopts the photoelectric principle and can be used to measure the total radiation value under sunlight. The radiation sensor adopts a high-precision photosensitive element, with wide spectral absorption, high absorption in the full spectral range, and good stability; at the same time, a dust cover with a light transmittance of up to 95% is installed outside the sensing element, and the dust cover is specially treated to reduce dust. Adsorption can effectively prevent the interference of environmental factors on internal components, and can measure the amount of solar radiation more accurately.
The product supports standard analog output or Modbus-RTU 485 communication protocol, which can directly read the current solar radiation value, and the wiring method is simple. The appearance is small and beautiful, and takes up little installation space. Products are widely used in solar energy utilization, meteorology, agriculture, building material aging and air pollution and other departments to do the measurement of total solar radiation.
Specifications SENTEC SEM228A Photoelectric Solar Radiation Sensor
| Material | Matte aluminum + quartz glass cover |
| Power supply | 7V~30V DC |
| Measuring Range | 0~1800W/㎡ |
| Power consumption | 0.06W (RS485), 0.6W (analog output) |
| Response time | ≤10S |
| Output signal | RS485(Modbus-RTU protocol),4-20mA,0-5V, 0-10V |
| Spectral range | 0.3~3μm |
| Working humidity | 0%~100%RH |
| Working temperature | -40℃~60℃ |
| Resolution | 1W/㎡ |
| Nonlinearity | ＜±3% |
| Long-term stability | ≤±3% |
| Cosine response | ≤±10% |
| Load capacity | Current output: ≤600Ω, voltage output: output resistance ≤250Ω |
| Cable length | 60cm (customized) |
SENTEC SEM228A – Datasheet
KARYAMANDIRI TECHINDO merupakan supplier peralatan ukur dan uji terlengkap di Indonesia. Kami menyediakan berbagai alat Radio Komunikasi, Telpon Satelit, Surveying Instruments, Survey Tools, Binocular, Alat Ukur & Uji, Alat Analisa Air & Food dan Sirine.
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