This is our professional lab to test the temperature and heating time of heat packs, in which there are a lot of professional test devices. Generally we adopt two test way–Towel cover method and Thermostatic water tank test method
Put the probe of test equipment into the centre of product heating chamber, then use the adhesive tape to fix the probe of test equipment tightly;
Then cover the front of the product with another cover sheet;
The recording of temperature and heating time starts automatically.