Constant flow metering pump with pulse frequency control. Easy adjustment with a single potentiometer and LED. Input for level sensor connection. - Highly resistant PBT housing, suitable for high temperature media and chemicals; - Input for level sensor; - Dual frequency adjustment scale, 0-100% or 0-20%; - Power supply: 230 V AC - 50/60 Hz; - On/off switch; - Protection class IP65; - Analog user interface with one handle and LED; - Manual air valve for quick filling; - Ready for wall or foot mounting (brackets included).