Vacuum Manometer Mini Dial Portable Dual Scale Gauge 1/4Inch Npt Pressure Meter Digital Display Air Gauges

Question:What’s sensor we use it?

Answer: Swedish brand SENSEAIR

Question:How to do the calibration?

Answer:Sensor will be calibrated by itself when the values are not very accurate.

If the device have a big difference keep the device in a ventilated environment for more than 30 minutes.End user following the steps based on the manual completed the calibration.

Question: How long can you ship the goods?

Answer: 3~5 days for small quantity,15 days for large quantity 500pcs above

Question:How long does the battery continuously use?

Answer:9 hours around.

Question: Does this model EM002 come with a software for the records?

Answer: There is a memory card inside,cannot download the records,but can check every data in the device.