Adjustable thermometer with ground joint AMA-Exact, enclosed scale, -10+250:1°C, capillary prismatic colourless, blue special liquid, upper part 300x10mm, lower part 200x8-8,5mm, Richter-top finish without button, with ground joint NS 14,5/23 and universal lock, suitable for government calibration, with Certificate for exact correction of average temperature Due to drastical increases from the part of our supplier of the universal lock we are forced to raise the price for this article, unfortunately.