The LM80, LLT100, and LM200 can accurately measure the distance to the targeted surface by using a time-of-flight calculation. These level transmitters use eye-safe, invisible, infrared laser pulses ...
Total dissolved solids (TDS) is a measure of additive concentration and contaminants in coolant. TDS in excess of 3 percent may promote water-pump and radiator failures. What would you guess is the ...
This time, my focus is on a cheap TDS meter. TDS meters are small hand-held devices used to indicate the Total Dissolved Solids in a solution, usually water. Since dissolved ionized solids (such as ...
This is a preview. Log in through your library . Abstract A method for determining biodegradable dissolved organic nitrogen (BDON) in treated wastewater was developed. The method adopts the approaches ...