Hanna Instruments pH 4.01 Calibration Solution 1 Liter HI7004 Type_Organic the GreenPower LED production module

the GreenPower LED production module 3

Usage instruction: Shake well before spraying

Automatic calibration to one or two points at a push of a button

Built-in Day/Night auto detection to override CO2 control

Hanna Instruments pH 4.01 Calibration Solution 1 Liter HI7004 Type_Organic the GreenPower LED production moduleAccuracy of + 0. 01 pH @ 25C Temperature chart of the actual pH value at various temperatures printed on each bottle Color coded label for easy pH buffer value identification Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are airtight with a tamper proof seal to ensure the quality of the solution. Hannas line of calibration buffers has been specially formulated to have an expiration of 5 years from