In October/November of 2018 we shipped some UVB Sensor (
To identify these sensors, (besides the fact that when you plug them into an interface they will autoID differently than the label on the sensor,) you can look at the end of the tube. The UVB sensor has a solid translucent piece of plastic at the end, while the real Relative Humidity sensor has a cage type end that lets in air.
If you have any of the UVB sensors that are labeled as Relative Humidity, please contact Vernier Technical Support to discuss. We can provide you with the correct label to prevent confusion. To reach us by phone, call 1.888.837.6437 or email support@vernier.com.