HI-2221 Calibration Check pH Bench Meter
SKU : HI-2221
598,90£Prix
The Hanna HI-2221 & HI-2223 compare the characteristics of the pH electrode from one calibration to the next. In case of large variances in the electrode condition that can only be the result of a soiled sensor, these meters alert the user that the electrode needs to be properly cleaned prior to calibration and measuring.












