Stack Pro Control Stepper Motor range of analogue gauges are user configurable with Maximum/Minimum alarms which can be set with one of seven different colours to indicate status bringing total control and driver awareness of critical engine functions.

• The Pro-Control feature activates low and high outputs whenever the user-defined alarm levels are exceeded. Pro-control outputs can be used to switch a relay to activate cooling fans, pumps, lamps, alarms, ignition kill etc.
• With a choice of 7 user-selectable LED backlighting colours ( red, green, yellow, blue, purple, turquoise and white) the user can choose the optimum colour for maximum visibility and readability of the gauge, day and night.
• All Stack 52mm Professional gauges come complete with wiring harness and associated solid-state sensor (except for Fuel Level and Battery Voltage gauges).
• Press and hold the PEAK button to recall on the dial the highest temperature or lowest pressure or voltage since the memory was last reset.
• User-configurable minimum and maximum alarms can be set, with one of seven different colours assigned to each.
• If the level exceeds the alarm by more than 10%, the dialface flashes rapidly to further alert the driver.
• Precision stepper-motor needle movements and solid-state sensors ensure better than 2% accuracy.
• Remotely mounted solid-state sensors keep hazardous fluids in the engine compartment
• As soon as an alarm level is exceeded, the full dialface changes colour.
• 270" full sweep movement for excellent readability
• Fast, smooth stepper motor needle drive