JDW-3 to JDW-10 and JDL-109 to JDL-117A. For the supervision of overpressure, differential pressure or negative pressure levels in airflows or non-aggressive combustible types of gas. JDW delivered without installation on bracket. Delivery also possible with installation bracket JZ-10 in already attached condition. JDL delivered with JZ-10 in attached condition. Connection set JZ-06/1 also available. Setting ranges 20...1500Pa, 12-250V.