Product Description
The HI5521 is an advanced research grade benchtop pH/ORP and EC/TDS/Salinity/Resistivity meter that is completely customizable with a large color LCD, capacitive touch keys, and USB port for computer connectivity.
The HI5521 is a two-channel meter that allows for simultaneous measure of pH or ORP on one channel and EC or related parameters on the other. Channel 1 has a BNC connection for use with the expansive line of pH and ORP electrodes that Hanna Instruments offers. The meter is supplied with the HI1131B glass body, double junction, combination pH electrode that operates over a wide temperature range from 0 to 100 °C. All readings are automatically compensated for temperature variations with the separate HI7662-T temperature probe or from the built in temperature sensor of the conductivity probe on Channel 2. The HI5521 is supplied with the HI76312 four-ring conductivity probe that operates over a wide range from 0.000 µS/cm to 1000.0 mS/cm*. The meter can be set to auto-ranging in which the meter chooses the appropriate conductivity range from seven ranges or fixed range in which the meter will only display reading in µS/cm or mS/cm. All readings are automatically compensated for temperature variations with a built in temperature sensor. The temperature correction coefficient is adjustable from 0.00 to 10.00 %/°C.
As a pH meter the HI5521 can be calibrated up to five points with a choice of eight pre-programmed buffers or five custom buffers. The HI5521 features Hanna's exclusive CAL CheckÖ to alert the user of potential problems during the pH calibration process. Indicators displayed during calibration include 'Electrode Dirty/Broken' and 'Buffer Contaminated.' The overall probe condition based on the offset and slope characteristic of the electrode is displayed as a percentage after calibration is complete. The calibration data including date, time, buffers used, offset and slope can be accessed at any time along with the current measurement by selecting the Good Laboratory Practice (GLP) display option.
As an EC/TDS/Salinity/Resistivity meter the HI5521 can be calibrated up to four points with a choice of six pre-programmed conductivity standards or user defined custom standards. Resistivity, TDS, Practical Salinity (PSU) and Natural Seawater Scale are calibrated through conductivity. The % NaCl is calibrated to single point with the HI7037 salinity standard. The calibration data including date, time, and standards used, offset and cell factor can be accessed at any time along with the current measurement by selecting the Good Laboratory Practice (GLP) display option.
For the measurement of high purity water used in pharmaceutical manufacturing, the HI5521 is programmed with the three stages of the USP 645 method. Once a stage is met a report is generated and can be saved. Up to 200 reports can be stored and with the USB port be transferred to a Windows® compatible computer.
Three selectable logging modes are available: automatic, manual and AutoHold logging. Up to 100,000 data points can be recorded in 100 lots with 50,000 records max/lot on each channel and exported to a computer for data review and storage
SEE PDF BROCHURE FOR FULL SPECIFICATIONS
The following link provides additional information from the manufacturer's brochure. Click to open the PDF in a new window or right-click to download it:
Hanna HI 5521 Digital Benchtop pH-Conductivity-TDS Meter or copy the following into your browser address window: labequip.ca/stock/pictures/n1823.pdf
ACCESSORIES:
COMES COMPLETE WITH:
HI1131 pH electrode
HI7662-T temperature probe
HI76312 conductivity probe
HI76404W electrode holder
HI70004 pH 4.01 buffer solution sachet
HI70007 pH 7.01 buffer solution sachet
HI700601 electrode cleaning solution sachet (2)
HI7082 3.5M KCl electrolyte solution (30 mL)
instructions
OPTIONAL ACCESSORIES AVAIABLE AT ADDITIONAL COST:
various buffers
various conductivity standard solutions
electrode storage solutions
electrode and probe cleaning solutions
electrode refill electrolyte solutions
ORP pre-treatment solutions
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