The COLT quartz crystal sensor is a unique thin film sensor for 12 industry standard 14 mm/ 0.550" diameter quartzes or 24 compact 8.6 mm quartzes. The built-in stepper motor allows for fast and direct positioning with reference position feedback from standard controllers. The compact sensor head with 102 mm OD can be installed inside a vacuum chamber in any orientation and features a NW16 utility port for water and electrical supply . In addition the model COLT10-PRO incorporates an actively cooled revolving quartz carousel which holds up 10 standard 14 mm quartzes. Whereas other revolving type sensors only provide cooling of the static sensor housing the model COLT10-PRO maintains the rotary crystal head itself and motor at optimum operating temperature range for reproducible thin film...