Is there any accessory I can buy if my lab has a high or variable temperature not compatible with a correct operation of the TGR?

Yes a Conditioned Temperature Cabinet that can hold up to two TGRs and keeps the desired temperature within the range -10°C up to 100°C is available.

Learn more on Conditioned Temperature Cabinet: https://ugobasile.com/products/categories/pain-and-inflammation/conditioned-temperature-cabinet-for-tgr

Learn more on Thermal Gradient Ring: https://ugobasile.com/products/categories/pain-and-inflammation/new-thermal-gradient-ring-tgr-zimmermann-s-method-2-0