For calibration you GDV Accessory Pack with the following items: calibration stand; Ti insert; cable; pack of thing glasses.
To have reproducible reliable data both for human tests and for Sputnik you need to make calibration in the following situations:
1. You move from one climate zone to another.
2. Full moon, new moon.
3. Strong change of weather conditions.
4. Change of seasons.
Parameters of Bio-Well are sensitive to the humidity of air, so if you expect
their change, you need to make calibration.
Practice has shown that the best way to find the proper position of metal cylinder is to push its handle maximum forward before mounting on the device - in such case surface of the cylinder is parallel to the surface of the quartz electrode. Also you will not scratch the electrode in this case.