... is a reliable indicator with simple principle.Level switch, float switch, level gauge, level sensor, level meter, ... temperature sensor, flow indicator, flow meter, flow switch, gas detectorTechnical dataContact Capacity: AC220V/1A;DC24V/0 ... Material: PP/PVDFHousing Material: PP/PVDFConnection: thread(customized)Application: acid-bases liquidInstallation Method: vertical installationExplosion-proof ...