... of 4000 readings with location number,RS232 output Ultrasonic Thickness Gauge Features:* Pocket size, easy to operate* Suitable for various ... , glass, polystyrene, polyethylene* Average calculation of max 9 readings* Limits setting Low-High* Standard 5.0MHz transducer included, optional transducers 7 ... 100mm Ø 13 <350? Ø 20?mm For High tempureture Ultrasonic Thickness Gauge Ultrasonic Thickness ...