Hanna Instruments pH/EC/TDS Multiparameter Probe with CAL Check - HI1285-6 ORP electrode View Assembly Instructions (PDF)

View Assembly Instructions (PDF)

the resistance would increase above the optimum resistance for the high impedance input of a pH meter

proper alignment

Measurement Range: 0-14 pH

Cartridge Type: Salt-free water treatment (CitraCharge®)

Hanna Instruments pH/EC/TDS Multiparameter Probe with CAL Check - HI1285-6 ORP electrode View Assembly Instructions (PDF)Measure pH, conductivity (EC), and TDS (ppm) with the HI1285 6 multiparameter probe. Perfect for measurements in greenhouses, water treatment, and boilers and cooling towers with a polypropylene body, built in temperature sensor, and pre amplified pH electrode. The HI1285 6 is designed for use with HI9813 6 Portable pH EC TDS Temperature Meter with CAL Check. 3 in 1 probe with pH, conductivity (EC), TDS (ppm), & temperature sensors. Pre amplified for