It is an accurate secondary instrument with LED digital display. it is applicable to determine pH value of water solution in departments of petroleum, chemical, medicine-produce ect à¤Ã×èͧÇÑ´¡Ã´´èÒ§ KL-018 Digital pH Controller It is an accurate secondary instrument with LED digital display. it is applicable to determine pH value of water solution in departments of petroleum, chemical, medicine-produce ect. Technical Specification: Measuring range: 0.00 ~ 14.00PH Accuracy: ±0.02PH Resolution: 0.01PH Output current: 4-20mA Automatic temperature compensation: 0 ~ 100℃ Warning accuracy: ±0.02PH Environment Temperature:0 ~ 50℃; Humidity: <95% Display: 4-digital LED Input Impedance: 1012Ω Power Supply: 110/220V, 50/60Hz Dimensions: 96×96×160mm3 Weight: 950g KL-018 pH Controller TLEAD à¤Ã×èͧ¤Çº¤ØÁ pH à¤Ã×èͧÇÑ´¡Ã´´èÒ§ à¤Ã×èͧÇÑ´¤Ø³ÀÒ¾¹éÓ à¤Ã×èͧÇÑ´¾Õ-àͪ