Ultrasonic transmitter can emit ultrasonic wave, to measure the leakage of the system with ultrasonic leak detector. With the Ultrasonic Leakage Detector, it is applicable to Air leaks around door
NOTE: The name of RS232 Software is 'RS232_EN_4.0.rar' after downloading. Just decompress 'RS232_EN_4.0.rar' with Decompress Software, Enter password:www.landtek.cn. a folder named 'RS232_EN_4.0' is abtained. There are RS232 Software and install instruction inside the folder.