Hanna Instruments HI 4321 EC/TDS/resistivity/salinity meter with USP

Thursday, 24 November, 2011 | Supplied by: Hanna Instruments Pty Ltd



HI 4321 is a research-grade EC/resistivity/TDS/salinity benchtop meter with a large, colour, graphic LCD with backlight that is capable of millesimal measuring resolution of conductivity with an extended range from 0.001 µS/cm to 1 S/cm.

Conductivity measurement is fully customisable including: temperature compensation coefficient, temperature reference, selectable compensation method, linear, natural water and no compensation, adjustable cell constant and TDS factor.

All ranges of conductivity, resistivity and TDS feature auto range or users can select the unit to measure manually. Three salinity scales are available: natural seawater, practical salinity and %.

HI 4321 can be used to perform all three stages of USP <645> method required for conductivity measurement of pure and ultrapure water. The instrument provides clear directions on how to perform each testing stage and automatically monitors the temperature, conductivity and stability during testing and determines whether a sample is within USP limits.

This instrument is equipped with auto buffer standard recognition and can support custom calibration solutions, with up to four point calibration. A warning alerts users when measuring outside the calibration range. This system will also remind the user when a new calibration is due.

Features also include real-time graphic displays and on-screen GLP data. Onboard contextual help can be accessed from any mode simply by pressing the HELP button.

Up to 10 profiles can be saved and recalled, eliminating the need to reconfigure each time when a different electrode is used.

Three selectable logging modes are available: automatic, manual and auto hold logging. Up to 100 logging lots with 10,000 records per lot can be stored for automatic or manual modes along with up to 200 USP reports. Connect to a PC via the USB or RS232 ports with the use of HI 92000 Windows-compatible software.

HI 4321 is supplied with the HI 76312 conductivity probe, HI 76404N electrode holder, 12 VDC power adapter and instructions.

Online: www.hannainst.com.au
Phone: 03 9769 0666
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