Anyone who purchases a four-purpose gas detector (brands limited to RAE and mPower) from Shengyi Co., Ltd.
All enjoy lifetime free general calibration service once a year. (Starting from one year after shipment)
This activity is retroactive. No matter whether it is a new or old machine, you are welcome to send it back for free calibration.


Note:
Only oxygen, LEL, carbon monoxide, and hydrogen sulfide gas calibration is available (the calibration gas concentration is in accordance with the company's regulations and cannot meet customer requirements).
The instrument is shipped back and forth by freight, and the freight must be borne by the customer.
The calibration report format is unified and no customized reports are provided.
If there are any unfinished matters in this activity, Shengyi Co., Ltd. has the right to reserve, modify, suspend and explain the content of the activity. Modification information will be announced on this website without prior notice.