Ph-903 Pen Ph Tester Wr

Ph-903 pen ph tester wr (New) Range: 0. 00-14. 00 ph, Resolution: 0. 01 ph, Accuracy: + / -0. 03ph, Temp. C: 5-50 c (ATC) Calibration: two-point at 6. 86ph and 4. 01ph (or 7. 0ph and 4. 01ph) Features: automatic switch-off function: after 10 minutes without pushing buttons, the meter will be switched off automatically. Low battery: as long as there is any display, the accuracy is guaranteed. Battery life: DC 4x 1. 5vFlug: fixed electrode
Ph-903 Pen Ph Tester Wr