Dissolved Oxygen HI7609829-2 DO or Sensor Con¯gurations Both probes can accommodate a multitude of sensor con¯gurations. The long sensor cap ¯ts all con¯gurations while the short sensor cap ¯ts con¯gurations not requiring the turbidity/EC sensor. HI7698295 Short cap for probes without EC/turbidity sensor pH HI7609829-0 pH HI7609829-1 pH/ORP ISE HI7609829-10 Ammonium ISE HI7609829-11 Chloride ISE HI7609829-12 Nitrate ISE The dissolved oxygen in lakes, rivers, and oceans is crucial for the organisms and creatures living in it. If dissolved oxygen concentrations drop below normal levels in water bodies, the water quality degrades and the organisms begin to die o. The HI7609829-2 galvanic DO sensor does not require long polarization times so is ready for measurement at a moment’s notice. This sensor also utilizes a replaceable cap design for ease of maintenance and a safe, non-toxic electrolyte. DO readings are compensated for the eects of temperature (using the probe’s built-in temperature sensor) and atmospheric pressure (using the HI9829’s internal atmospheric pressure sensor). The DO measurement complies with standard methods 4500-0 G and EPA article 360.1. The HI7609829-0 and -1 feature a double junction design and are gel ¯lled to increase resistance to contamination. These pH or pH/ORP sensors incorporate the technology that has made Hanna so successful as a pH manufacturer. Reliable pH measurements are one of the most important indicators of water chemistry indicating the relative amount of free hydrogen and hydroxyl ions in the water. Hanna’s pH sensors utilize a resilient PEI body to protect them from solid particulates found in water samples. Consistency and quality are the hallmarks of these sensors. Our dierential measurement system further enhances the measurement reliability, providing temperature corrected pH. A choice of three ion selective electrodes (ISE) is available for constant reporting of common surface water contaminants. Nitrate, ammonium and chloride ISEs are available. Each ISE is a combination electrode incorporating an extremely constant reference spiral; all potentionmetric probes feature a double junction and solid gel reference design. The HI9829 displays measurements of ion activity as ppm ammonium-nitrogen, ppm chloride, and ppm nitrate-nitrogen. 7 Multiparameter 7.40 | www.hannainst.com portable
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