uv meter

here is the link to the amazon product page https://www.amazon.ca/dp/B07BMX52H6?tag=exoticpetnetw-20 Here is the description if you cant open the link Brand GRAIGAR Colour Yellow Material Plastic Item dimensions L x W x H 7.2 x 3 x 13 Centimetres Model name UV340B Form factor handheld...

Hi, I’m a little bit confused on UV meters cause this is my first time using one and I recently bought 10.0 t5-ho fluorescent tube for my baby INDAIN STAR, what range should my Uv meter be reading for my baby Indian star? 10.0? Sorry if it sounds dumb I just genuinely don’t know !:) and how far...