Hygro-thermometer, 0-99,8 % RH, incl. case, two reference cells, 1 unit(s)Hygro thermometer, 0 99,8 % RH, incl. case, two reference cells, Contains LITHIUM ION CELLS. Does not require labeling according to SV 188, ADR. Precise, compact measuring device which simultaneously displays humidity and temperature. Delivery includes two humidity reference cells, 33 and 75% RH, to enable testing and calibration. Automatic switch off. Delivery incl. stable carrying case, two reference cells and batteries. Technical Information