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.
Matters needing attention:
After the test on the same day, it is best to unplug the power cord to ensure safety.
Please note! ! ! The test water in the seal tester is best replaced once a week. Do not pour water in the sealed bucket. Be sure to use the container to seal the water in the bucket to avoid deformation and leakage of the sealed bucket. Although the sealed bucket is made of high quality plastic Also plastic, please note! ! !