제품소개
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일사량/열유속/열전도도계
Solar Radiation SensorSR20
BEST Good
제품사양
| Model | SR20 | SR20-D2(Digital output) |
|---|---|---|
| Measurand | Hemispherical solar radiation |
|
| ISO classfication | Secondary standard pyranometer / Class A |
|
| Calibration uncertainty | < 1.2% (K = 2) |
|
| Calibration traceability | to WRR |
|
| Spectral range | 285 to 3000 nm |
|
| Sensitivity (normal) | 15 μV/ Wm-2 |
|
| Rated operating temperature range | -40 to +80 °C |
|
| Temperature response | < ± 1 % (-10 to +40 °C) < ± 0.4 % (-30 to +50 °C) with correction in dataprocessing |
|
| Temperature sensor | Pt100 or 10 kΩ thermistor |
|
| Heater | 1.5 W at 12 VDC |
- |
| Standard cable length | 5 m |
|
| Digital output | - |
-irradiance in W/m2 -instrument body temperature in °C |
| Communication protocol | - |
Modbus / over 2-wire RS-485 |
| Transmission mode | - |
RTU |
| Rated operating voltage range | - |
5 to 30 VDC |
| 4-20 mA output | - |
irradiance in W/m2 |
| Transmitted range of 4-20 mA output | - |
0 to 1600 W/m2 |
| Rated operating voltage range of 4-20 mA output | - |
5.5 to 40 VDC |
| Power consumption | - |
main supply: < 75 x 10-3W at 12 VDC 4-20 mA current loop: < 40 x 10-3 W at 12 VDC, with recommended 100 Ω shunt resistor |
| Standard cable length | - |
5 m |