Electric sensors; Electrical controlling devices; Gas testing instruments; Liquid level sensors; Measuring apparatus for temperature and humidity levels in gases and solid substances; Motion detectors; Surveying instruments; Surveying machines and instruments; Temperature indicators; Temperature sensors; Temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems
Electric sensors; Electrical controlling devices; Gas testing instruments; Liquid level sensors; Measuring apparatus for temperature and humidity levels in gases and solid substances; Motion detectors; Surveying instruments; Surveying machines and instruments; Temperature indicators; Temperature sensors; Temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems
Electric sensors; Electrical controlling devices; Gas testing instrume...