यस्तो छ विवरण:ACOUSTIC SENSORS FOR ACOUSTIC DIAGNOSTIC SITRANS DA400 STAINLESS STEEL BODY WITH IP66/IP68 DEGREE OF PROTECTION ELECTRONIC ENCAPSULATED PERMISSIBLE AMBIENT TEMPERATURE FOR OPERATION MAX. -40 TO +110C (-40 TO +230 F) EX-VERSION -20 TO +50 C (-4 TO +12