08/07/2021
Circular letters №13
Added a new circular letter No. 13 pH-the electrode is not calibrated.
15/06/2021
Circular letter No.12
Added new circular letter No. 12 Topping-up terminals. The use of Terminals 1 and 2 «TOPPING-UP» of the CRYSTAL station controller and delays for turning on the dos
01/06/2021
Circular Letter No.11
Added new circular No.11 External Stop Terminals. How to use Terminals 1 and 2 «STOP» (External stop) of the CRYSTAL station controller correctly? See the answer in the sect
19/05/2021
Circular letter No. 10
Added new circular letter No. 10 Reagent dosing with several pumps. What to do if it is necessary to use not two diaphragm pumps in the CRYSTAL station,