Jual HANNA EC-215 Multi range Conductivity meter

 

 

Features:
Four measurement ranges
Manual calibration
Automatic Temperature Compensation

This instrument utilizes a four ring potentiometric probe with platinum sensor that offers greater versatility over typical amperometric designs. A potentiometric probe works on the principal of induction which eliminates the effects of polarization ( a common problem of amperometric systems) . Two outer rings apply an alternating voltage and induce a current loop in the solution while two inner rings measure the voltage drop induced by the current loop ( which is dependent on the conductivity of the solution) . By utilizing the 4-ring method, it is possible to measure very low or high conductivity levels ( up to 200 mS/ cm) without changing probes.

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