... hydrant monitor, water monitor, monitor with remote control 1. Standard Hydrant Monitor PS SeriesTechnical Data and Cost: Water Monitor (PS Series)PS20PS30PS40Flow ... Hydrant Monitor (including electric cabinet / controlling panel)Technical Data and Cost: Water Monitor (PSKD Series)PSKD20PSKD40Flow capability (Liters / ... , foam monitor, hydrant monitor, water monitor, monitor with remote control