pH Calibration Sachets

$5.95 NZD

Calibration powder set to help you calibrate your pH meter. Each sachet will produce 250ml of solution at a specific pH level. The easy 3-step procedure is written on the back of each packet.

Includes three sachets, one for each of these pH levels: pH4.00, pH7.00, pH10.01

Accuracy : ±0.01pH at 25°C