Product decription vuccum efficient room: 270mmx270mmx200mm weight: 15kg item package: 460x360x530mm system parameters: 1. Vacuum indication range: 0 -90 kpa display resolution 0.2Kba. In principle the external vacuum pump will damage the vacuum pump when it exceeds -75kpa. Please stop immediately. 2. Timing control range: 0 9999 seconds 0 9999 minutes 0 9999 hours can be adjusted arbitrarily the display resolution is 1 second and the test setting can be 3 minutes. 3. Power source: 110v 60hz 4. Power supply safety protection: equipped with power supply safety protection measures. The use steps: 1. Check whether the sealing pipeline of the sealing tester is connected correctly whether the power supply is safe whether the sealing barrel is placed reasonably whether the water level is proper when adding water and whether the test sample is ready please complete the preparation before the test. 2. Turn on the power and press the power switch to set the test time. 3. Point the air seal stop switch to pump press the air pressure switch and the vacuum pump starts to work. 4. After reaching the vacuum value press the air pressure switch to turn off the vacuum pump and point the second switch of the right hand to fully close the vacuum value will be maintained for a long time. Note: no vacuum can be drawn in the fully closed state otherwise the vacuum pump will be damaged 5. Press the time switch until the end of the test. Observe the tested product. 6. After the test point the ai...
