UVA Sensor

The UV-A sensor is built around a UV sensitive Schottky photodiode. The diode produces a current proportional to the UV intensity. The signal from the diode is amplified through a transimpedance amplifier and sent to the output.

Technical specifications:

Measuring range: 0 .. 25 W/m²
Accuracy 0.5 °C (typical)
Sensitivity range: 220 nm .. 370 nm with 10% sensitivity, 265 nm .. 365 nm with 50% sensitivity
Maximum sensitivity: 352 nm
Angle tolerance: 5°
Maximum sample frequency: 100 kHz (CoachLab II+, WiLab) / 1 MHz (VinciLab 2)
Warranty: 3 years

All technical specifications of the UV-A sensor are described in the product manual, see downloads.

Examples of experiments:

Measure the UV intensity as a function of time throughout the day
Measure the UV transmittance of various sunglasses and regular glasses
Measure the UV transmittance of fabrics, both wet and dry.

The UVA sensor can be directly connected to analog BT inputs of the CMA interfaces.