Profile: A S I Controls is a manufacturer of direct digital controls. Our wall mounted sensor utilizes a precision thermistor to measure and display the zone temperature. Our TS series temperature sensor is a thermistor type sensor and it is offered with options options including duct insertion, immersion, averaging, strap-on and outside air temperature. Our DAK-2000 series color touchscreen operator panels provide a secure front end for controllers and control systems. Our WS-MOD digital display wall sensor displays current temperature in 4 digits and it include push-buttons which allow users to change modes & adjust occupied temperature set-points within a configurable range.