EN
C-TOP-2221/21A21+J-TOP-23A3
External testing unit - valve control unit, mainly to solve the problem of installation space and bad site working conditions.
The controller has exactly the same function as the standard valve control unit. The external detection unit has IP67 protection grade, and the cable length can be up to ≤200M. The valve control unit can be installed in the control cabinet and other areas required by users to control it.
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