Cal Check for nitrates, 0,0 and 50 ppm Using the device - exclusive HANNA - CAL CHECK validation of instrument performance is quick and easy to achieve using standard solutions NIST attached (included). If the readings are outside the limits specified in the certificate of calibration, the user must perform a calibration of the instrument.

Alkalinity Calibration Checking Set for hi 755

Mastertronic Measures PO4/ NO3/ Ca / Mg / dKH* / OLI (may add parameters in near future) • High Precision Stepper and DC Pumps • State of the art colorimetric photosensor • Simple to use iOS and Android App (Wifi). Focustronic App (all in one) • Communicate with Alkatronic/Dosetronic/Solartronic/Powertronic: local wifi via router •...