... It is a reliable indicator with simple principle.Level switch, float switch, level gauge, level sensor, level meter, level ... , temperature sensor, flow indicator, flow meter, flow switch, gas detectorTechnical dataContact Capacity: AC220V/1A;DC24V/0.5AWorking ... Application: acid-bases liquidInstallation Method: vertical installationExplosion-proof: YesAdditional references are available upon request.