... dwell time on the sealing sample, 6. With footswitch, human-machine friendly design. Technical parameter: 1. ... piping, power line, protective tube 2. Optional configuration: Footswitch, sampling cutter, print paper of mini-printer, temperature ... transducer, pressure transducer 3. Recommended optional configuration: Footswitch, temperature transducer, pressure transducer, print paper of mini ...