A two point calibration is performed with the HMK15 or the HMK13BCalibrator or the probe can be sent to Vaisala. The probes must always be re-calibrated if the sensor head set is changed
a two point calibration is performed with the hmk15 or the hmk13bcalibrator or the probe can be sent to vaisala. the probes must always be re - calibrated if the sensor head set is changed