Simply submerge the sensor in calibration solution and the meter will automatically detect the calibration standard (5

Lightweight HDPE Plastic Bottle — Durable

Certified for use in the most demanding field conditions

Upgraded to 4 filters

Certificate of Analysis (included with lot)

Hanna HI1285-9 GroLine Inline Multiparameter Probe - pH EC TDS Temperature Sensor MA871 Simply submerge the sensor inHanna HI1285 9 GroLine Inline Multiparameter Probe pH, EC, TDS & Temperature Sensor The Hanna HI1285 9 GroLine Inline Multiparameter Probe measures pH, EC TDS, and temperature in one convenient, rugged probe designed specifically for continuous monitoring in hydroponic nutrient solutions. This specialized inline probe is engineered for use with the HI981421 GroLine Monitor to provide around the clock monitoring of critical water quality parameters in