Presto is well known for their quality testing equipment and added the Laboratory Hot Air Oven in Tanzania for the quality inspection of various materials. The instrument tests the effects of high temperatures on the quality of products to check the heating effect. The RTD Pt-100 heat sensor in the device is used to sense and monitor the test procedures. The test temperature is set with high accuracy using the PID controller and the digital preset timer accurately sets the test timing. Presto supplies the application with a user manual and conformance certificate.