Mathematically, pH is the negative logarithm of the activity ( dissolved) hydronium ion, is more often expressed as a measure of the concentration of hydronium ions. Aquarium pH meter gauge KL....
Distributor of grain moisture gauges, gauge moisture content of wood, fiber gauge moisture content of wood, sound measuring equipment, measuring equipment ph meter, refractometer, Anemometer, ....
Digital Conductivity Controller Estimator CD-308 specifications: Measuring Range: 0 ~ 1999us/ cm, 0 ~ 199.9mS Accuracy: Â ± ( 1.5% + 2 digits) after calibration Resolution: 1us, 0.1ms Set....