These thermometers are contained in a brass armour.

• Mercury free designs
• Double protection subject to a second rotable metal sheath

The capillary prismatic enclosed scale spare thermometers are top finish round in structure and are packed in PE flap bag.

L×H: 70×32 mm

Until 10th October 2017 it is still allowed to use mercury thermometers if they are exclusively intended to be used for tests as per standards which require the usage of mercury thermometers.