美國德納科Dynalco公司于1968年開始，有三種產品，以及為石油和天然氣工業生產工程解決方案的目標。自那以后的47年里，Dynalco因其在石油和天然氣、化學、電力、海洋和建筑行業使用的高質量的儀器和控制而得到認可。Dynalco設計和制造高度工程堅固，可靠的，第三方的監測，控制和往復式發動機，蒸汽渦輪機，燃氣渦輪機，泵和輸送系統的保護認證儀表。我們為一個在石油和天然氣，化工/過程，建筑業及越野設備，交通運輸，發電，船舶，采礦，水和廢水市場的客戶和工廠自動化等。
Dynalco was started in 1968, with three products and a goal of producing engineered solutions for the oil and gas industries. In the 47 years since, Dynalco has become a worldwide industry leader, recognized for its high-quality instruments and controls used in the oil & gas, chemical, power, marine and construction industries.
SST-7200D is a PC-programmable, DIN rail mounted speed switch with display and keypad programmability. It has 2 standard relays to protect your rotating equipment from failure by providing reliable under/over speed protection
