PH meterPH meter, portable PH meter, PH tester, Pen type PH meter for water test/ water tester: PH meter combined pH electrode of high sensitivity, fast response, and good repetition as probe. With 3-1/2 liquid crystal digits display, the meter is reliable, stable, portable, and convenient to operate, especially for field measuring. Temperature compensation and temperature display. Specifications: Measuring range: 0.00~14.00pH, 0? C~55?C Accuracy: ?0.1pH, ?1?C Resolution: 0.01pH 0.1?C Operating Temperature: 0?C~50?C Automatic Temperature Compensation (ATC): 0?C~50?C Power Supply: 4*1.5V(AG13) Dimensions: 170*36*23mm RO system,reverse osmosis China manufacturer and exporter, water filter, water purifier, UV sterilizer, RO parts China manufacturer and exporter. TDS METER, PH METER China manufacturer and exporter.