Hti HT-A1 Infrared Camera Thermal Imaging Pocket-Size for Building mechanical. 332,92 EUR. Envío gratuito . Hti HT-A1 High Resolution 3.2'' Digital Infrared Thermal Imaging Camera Kit. Features: It can be used for a wide range of applications including electrical, mechanical and automotive. It is also known as an "Imaging IR Thermometer".