https://www.danfoss.com/en-us/products/dhs/differential-pressure-and-flow-controllers/self-acting-temperature-controllers/avtb-and-avtb-ra-temperature-controllers/
AVTB direct acting and AVTB-RA reverse acting proportional controllers are used to regulate the temperature of water.
temperature controllersdanfoss
https://www.yokogawa.com/id/solutions/products-and-services/control/control-devices/temperature-controllers/
UTAdvanced temperature controllers and digital indicating controllers employ an easy-to-read, 14-segment large color LCD display, along with navigation keys,...
temperature controllersptyokogawaindonesia