... accurately and efficiently. Users can obtain standard heat seal index by RFY-03 Heat Seal Tester. Heat Seal Tester is ... , three elements, temperature, time, pressure can be regulated, 4. Independent upper and lower sealing temperature, 5. Measures actual ... , three-year warranty, lifetime warranty, 2. Human-machine friendly design, easy operation, keeping handlers safe, 3. Reasonable price Keywords: ...