Thermometer Sika 291b 150x36mm, Pt1/2 -30-50deg.c 63mm-stem
A wide variety of Sika thermometers are available. The most widely carried, standard types are listed below with their respective specifications. The thermometer casings are finished in anodized gold colour. Standard models have the graduated readings listed on the right hand side and the surface is coated for protection from outside elements. Straight Thermometers Type 271B, 291B, 174B: Threaded sockets with a solid hexagonal nut. Adjustable to any desired viewing position and locked by brass nut, spanner size 22 mm. Thermometers with a measuring range from -60oC to +250oC have a blue fluid indicator and thermometers with ranges above 250oC work with mercury indicators. Immersion Tubes, pockets Standard: brass for temperatures up to 250oC, for temperatures above 250oC steel. When ordering, specify thread size as well as type, range and immersion stem length, or SIKA's catalogue number. As to thread sizes of the socket the most common PT (R) 1/2" is applied to the following coded items.
