Possible fields of application
Industrial thermometer type Dc with union nut (nominal size 200)
Long service life and wear-free measurement accuracy for industrial applications such as machine and plant construction, pipeline construction and power stations. This version with union nut is a special version to be used with the neck tube / nipple with double thread and the protective tubes to be welded.
Nominal size 200 mm, aluminum, V-shaped, fully polished, anodized gold (or silver on request). Reading scale numbers printed on the right side. Print in black for easy readability. Straight types adjustable to any desired viewing position and locked with a brass nut, wrench size 22. The angular thermometers (90 degrees) have a grooved adapter piece with locking screws. Advantage: when mounting the thermometer, it is not necessary to turn the housing.
Glass inserts (capillaries)
Solid glass capillary tube, bar-shaped, prismatic (optical enlargement of the column, except for high temperature types), diameter approx. 6 mm, oval opening, with yellow background for mercury * and white background for blue fluid column. The scale is deeply burnt in black, which gives it absolute resistance. The main graduations, which correspond to the impression on the case, are particularly well defined.
In the standard version from -30 to 250 ° C blue thermometric fluid ("Fü").
Standard version immersion tube in stainless steel and brass fitting. The diameter of the dip tube type "Dc" is 6,5 mm; the wall thickness 0,25 mm, specially designed for protection tubes according to DIN 43772, form 4 with 7 mm bore. For more information, see the "Thermometer protection tubes" chapter.