Automatic sleep mode for long battery life, low battery indicator.
延长电池寿命自动睡眠模式，低电量显示。
2
Automatic display of indicator card not only has promoted the test efficiency, but higher test precision is also resulted.
示功图的自动显示不仅提高了示功图的测试效率，而且还提高了测试精度。
3
In addition, the piezoelectric quartz sensor with automatic clipper adaptor is used to measure low pressure indicator diagram. It provides reliable basis to ascertain the pressure zero baseline.