[This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the ...
sensor 4-20ma analog output TDS sensor electrical conductivity probeHigh Precision PH Meters Chemistry Laboratory Equipment PH Meter Water Quality Tester Digital PH PenDPC1R1N ,Digital 3/4 Inch Combination pH/ORP Sensorelectrical test pendi...