KL-009(II) High Accuracy Pen-type pH Meter Model KL-009IIpen-type pH meter uses combined pH electrode of high sensitivity, fast response, and good repetition as probe. With 31/2 liquid crystal digits display, the meter is reliable, stable, portable, and convenient to operate, especially for field measuring. It is praised by home and aboard. This product has been exported in batches. Technical Specification: Model KL-009(II) KL-009(II)A Measuring range 0.00~14.00PH Accuracy ?.1PH Resolution 0.01PH Operating Temperature 0~50 Automatic Temperature Compensation 0~50 Plug Fixed Electrode BNC Power Supply 4?.5V(AG13) Dimensions 170?6?3(mm3) Weight 85g 105g Characteristics: * Compact construction * Easy operation * On-the-spot measurement * Instead of precision pH reagent paper * Easy to carry It is applicable to determine pH value of water solution in departments of medical treatment, environment protection, scientific research, college and mechanical plant etc.