All Sper Scientific immersion thermometers are made with safe red liquid to SAMA specifications for ranges and accuracy. In addition, our thermometers have a number of extra quality features built in:
- Red Liquid Expansion Chambers
- Reinforced Bulbs to prevent breakage
- Horizontally Printed Scales are easier to read in use
- Ring Tops for submersion
- Non Roll Caps
- Scales Printed Into The Glass rather than on the surface so they never wear off