Characteristics and Uses: This unit conforms to QC / T790-2007 "brake chamber performance requirements and test methods of" and HG 2950-1999 "automobile brake chamber rubber diaphragm" standards. The main features of the machine include: parking vena characteristic test (spring force - displacement curve), static characteristics test driving chamber (gas chamber force - displacement curve), release the parking chamber - relaxation characteristics of the test (pressure - displacement curves showing release point and relax pressure), parking chamber tightness test, driving test chamber seal, parking chamber endurance test endurance test driving chamber, dual chamber composite durability test. Imported sensors using servo drive and loading mechanism, the system is stable and reliable. Pressure curve, force value curve, displacement curve always displayed. Folder has a strong universal, applicable test requirements of a variety of products, fast setup, automatic detection. Independent Operations Console with liquid crystal displays, industrial computer, printer, enabling control, parameter setting, the results show that the data stored, query, print reports. The machine overall appearance, durable and practical. Technical parameters: 1. force measurement range: 20000N 2. force measurement accuracy: 0.1% 3. The displacement measuring range: 100mm 4. displacement measurement accuracy: 0.1% 5. Pressure adjustment range: 0.15 ~ 0.85MPa 6. Pressure measuring range: 0 ~ 1MPa 7. Pressure measurement accuracy: 0.25% 8. Maximum operating frequency: 28 times / min 9. Power Supply: AC220V 50Hz