PH Controller 220V ORP Meter Monitor Digital Alarm PH Controller Industrial

\n\n \n\n \n\n--\n\n-- \n\n--Store Home\n\n--|\n\n--New Arrival\n\n--|\n\n--Ending Soon\n\n--|\n\n--Add to Favourites\n\n--|\n\n--View Feedback\n\n--|\n\n--Contact us\n\n \n\nStore Categories\n\n--Home & Garden \n\n--Auto & Motor Parts\n\n--Outdoor & Sporting\n\n--Toys & Hobbies\n\n--Electronics\n\n--Other items\n\n \n \nWhy Buy From Us\n\n \n\n \n\nPH Controller 220V ORP Meter Monitor Digital Alarm PH Controller Industrial\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--\n\n \n \nITEMS DESCRIPTION\n\nSpecifications:\nMeasuring range: pH (0~14pH); ORP (-1900~1900mV)\nAccuracy: +0.02pH; +1mV\nResolution: 0.01pH; 1mV\nStability: \u22640.02pH/24 hours; \u22643mV/24 hours\npH standard solution: 4.00/6.86/9.18\nDisplay mode: 128*64 dot matrix LCD\nTemperature compensation: 0~100\u00B0C manual/automatic (NTC10K)\nSignal output: 4-20mA isolation protection output Maximum loop resistance 300\u03A9\nAlarm output: one set of high and l.