Spektron irradiation sensors
The Spektron 210 and 310 are silicon sensors used for measuring the solar irradiation. The Spektron 210 provides a voltage proportionally to the intensity of the solar irradiation. The Spektron 310 has an integrated amplifier. Therefore the sensor signal is amplified and output as a norm signal. The output signal ranges from 0 to 10 V, 0 to 3.125 V, 0 to 150 mV, and 4 to 20 mA at 0 to 1500 W/m².
Range of application
- Output and operational check of thermal and photovoltaic solar plants
- Controlling of shading equipment on buildings
- Instruction and training
- Sensor for control systems
Ease of use
The Spektron can be connected directly to a voltmeter or a datalogger. The voltage measured by the Spektron 210 can be converted into the unit of irradiation (W/m²), using the calibration value imprinted on the sensor.
Robust casing
The Spektron can be used irrespective of the weather conditions and under any angle of inclination.
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| Model |
Spektron 210 |
Spektron 310 |
| Scope of applications |
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| Measuring range |
0 ‑ 1500 W/m² |
0 ‑ 1500 W/m² |
| Sensor type |
Monocrystalline cell (13 mm / 33 mm) |
Monocrystalline cell (33 mm / 50 mm) |
| Sensor accuracy |
±5 % annual mean |
±5 % annual mean |
| Outlet |
Approx. 75 mV at 1000 W/m² |
4 ‑ 20 mA or 0 ‑ 10 V or 0 ‑ 3.125 V or 0 ‑ 150 mV |
| Calibration |
Sun Simulator Solar Constant 1200 with reference sensor calibrated by the ISE |
Sun Simulator Solar Constant 1200 with reference sensor calibrated by the ISE |
| Design of the sensor |
Measuring cell laminated in novaflon and EH foil |
Measuring cell enclosed in glass |
| Supply voltage |
- |
5 ‑ 30 V DC (at output signal ranges 0 ‑ 3.125 V, 0 ‑ 150 mV, 4 ‑ 20 mA) or 12 ‑ 30 V DC (at output signal ranges 0 ‑ 10 V, 0 ‑ 3.125 V, 0 ‑ 150 mV, 4 ‑ 20 mA) |
| Power consumption |
- |
Approx. 30 mW |
| Casing |
Z-profiled aluminium plate, connection encapsulated |
Polycarbonate, UV-resistant, with PG screw joint |
| Protection mode |
IP65 |
IP65 |
| Connection |
Cable 3 m, 2 x 1.0 mm² |
Connection terminals, 1.5 mm² |
| Mounting |
6 mm drill hole to be fixed with screws |
Mounting with drill hole to be fixed with a screw |
| Dimensions (L / W / H) |
118 mm / 50 mm / 44 mm |
150 mm / 80 mm / 60 mm |
| Weight |
250 g (incl. cable) |
300 g |
| Warranty |
2 years |
2 years |
| Norms |
CE mark |
CE mark |
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