處理儀器的指示和功能信號，

可配合數(shù)據(jù)記錄器或SD卡使用，

 Precipitation yes/no
 Failure funnel door
 Bottle position and failure distributor (with versions T, S, S-16 and D)
 Temperature sample room (optional)
 Rainfall amount/intensity (optional)
 pH, el. conductivity and rain temperature (with NMO191 only)

適用：

UNS 130

NSA 181

NSA 181/K

NMO191