HM Digital PSC-54: Single Line, EC/TDS Mini Controller with 4-20mA Output PH58 Aquariums: Ensure precise pH measurement

Aquariums: Ensure precise pH measurement for fish and coral health

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HM Digital PSC-54: Single Line, EC/TDS Mini Controller with 4-20mA Output PH58 Aquariums: Ensure precise pH measurementThe PSC 54 is a NEW product from HM Digital offering extended range EC TDS testing for commercial or industrial water treatment professional. This mini controller has an adjustable relay able to control a pump or valve with a 4 20mA output. FEATURES Extended range for TDS and EC 4 20mA output signal Temperature display mode Digital calibration The fully adjustable relay control is set by the user to automatically stop a pump or valve if the level