HI1285-7 – pH/EC/TDS Multiparameter Probe for use with HI9814

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The HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth junction, maintenance-free polymer gel electrolyte, and a low-temperature glass sensing bulb. The EC/TDS portion of this probe utilizes two stainless steel pins for an amperometric determination of conductivity and total dissolved solids. A built-in temperature sensor ensures that both pH and EC/TDS readings are compensated for temperature variations in both standards and samples. The design consideration for the HI1285-7 is ideal for measuring the pH, EC/TDS, and temperature in greenhouses, hydroponics, and other agricultural applications. The HI1285-7 is designed for use with Hanna’s HI9814 portable multiparameter meter.

Pre-amplified pH Electrode
Amperometric EC/TDS Sensor
CAL Check Compatible

Reference Cell Type	single, Ag/AgCl
Junction Type/Flow Rate	cloth
Type of Electrolyte	gel
Body Material	polypropylene
Glass Type	low temperature (LT)
Tip / Shape	spheric (8 mm)
Matching Pin	no
Max. Pressure	0.1 bar
Optimum pH Range	0 to 13
Temperature Operating Range	0 to 50°C (32 to 122°F)
Body Length/Overall Length	95 mm / 185 mm
Temperature Sensor	yes
Outer Diameter	16 mm
Cable	7-pole; 1 m (3.3′)
Connector Type	quick connect DIN connector
Amplifier	yes
Recommended Use	Greenhouses, hydroponics, environmental monitoring, water treatment, boilers, cooling towers
Notes	To be used with HI9814