Digital Soil Moisture Tester Features reliable temperature stable semiconductor technology with calibration checks. Operates on one 9V battery ( included) . Gypsum blocks are cast around....
Breath Alcohol Tester, Draeger Alcotest 3000 Principle of Measurement : Electrochemical Measuring Range : 0 to 5â € ° Sampling : sandard when minimum volume is reached Ready for use : approx 6 s....