As long standing leaders in the alternative fuels market, Total Control Systems (TCS) and Semler Industries have come together to bring reliability to the Diesel Exhaust Fluid market with the 682 piston and 700 rotary flow meters. Each of these units has been crafted of 304 stainless steel with extreme precision to meet the rigorous ISO 22241 standards.

As some of the only meters on the market today that are qualified to meet the custody transfer requirements of DEF, Semler industries is now distributing these essential pieces of equipment.

Either of these meters is also available on our DEF-Distributor 70 or available individually. To ensure that correct amounts of DEF are being delivered at an end user location, look to our Weights and Meters approved system for your DEF delivery needs.