Automatic calibration digital ph water meter pen
USD $5.8 - $5.8 /Piece
Min.Order:500 Pieces
Automatic calibration digital ph water meter pen
1.Range:0.00-14.00 ph
2.Big screen display
3.Accuracy:0.05ph
4.Automatic two points calibration
5.5 minutes shut off function 6.2*1.5V (357A button cell ) 7.ATC : 0℃--80℃ 8.dimension: 153mm*29mm*16mm