About This Product
Milwaukee Instruments Calibration Solution pH 4.01 (230 mL bottle)
4.01 buffer solutions.
Milwaukee pH 4.01 Calibration Solution (230 mL bottle) buffer solutions for calibrating Co2 monitors/controllers
Bottles are sealed against light and air and are ideal for on-the-spot calibration. Simply open, insert the tester or electrode into the bottle and calibrate.