... national standards. Adopts microcomputer control testing process, real-time display of the test of time, test pressure deformation curve, and so on ... pipeline 20-channel (1 per channel); 6. you can set time; 7. the single independent pressure timing, leakage warning, the ... -intervention;8. disclosure of judgement: one-way pressure holding time of the decline in value judgement.Third, other features 1 ...