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General| Brand | Hanna Instruments |
|---|---|
| Model | HI 2212 |
| Category | Measuring Instruments |
| Language | English |
Inspect instrument for shipping damage and check supplied accessories.
Overview of HI 2212/HI 2213 features like pH, mV, temperature measurement, and GLP.
Details front and rear panel controls and connectors of the meters.
Lists technical specifications like range, resolution, accuracy, and power requirements.
Instructions for connecting the 12 VDC adapter to the instrument's power supply socket.
Guide for connecting pH/ORP electrodes and temperature probes to the instrument.
Steps to turn on the instrument and what to expect during the initial self-test.
Procedure for taking pH measurements after calibration, including sample submersion and stabilization.
Steps for performing mV/ORP measurements using the HI 2213, including electrode preparation and reading stabilization.
Procedure for relative mV measurements on the HI 2213, explaining the offset and displayed difference.
How to perform temperature measurements using the HI 7662 probe.
Instructions for storing and recalling measurements using the MEM and MR keys.
Guidelines for preparing buffer solutions and beakers for accurate pH calibration.
Overview of calibration procedures, including one, two, or three-point options and custom buffers.
Detailed steps for performing a three-point pH calibration using buffer solutions.
Instructions for performing a two-point pH calibration after a three-point calibration.
Details on one-point calibration and its setup options ("Pnt" vs "OFFS").
Explains common error messages like "WRONG" and "BUFFER pH" during calibration.
How to select and adjust custom buffer values during pH calibration.
How the instrument alerts users about expired calibration intervals.
How to view stored calibration data including time, date, offset, and slope.
Displays the pH calibration buffers in order and explains "OLd" message.
Shows how the instrument displays calibration expiration status (OFF, days remaining, or expired).
Details how the calibration alarm is displayed and what "no CAL" means.
How to set or disable the calibration alarm duration (1-7 days).
How to set or modify the value for the first custom pH buffer.
How to set or modify the value for the second custom pH buffer.
How to configure the behavior for one-point calibration (Pnt or Offs).
How to set the current hour and minute on the instrument.
How to set the current year, month, and day on the instrument.
How to enable or disable the audible beep function.
How to select the desired temperature unit (°C or °F).
Steps to prepare electrodes, including removing caps, handling salt deposits, and soaking.
Instructions for refilling electrolyte in electrodes and optimizing response time.
Troubleshooting for AMPHEL® electrodes, suggesting replacement if unresponsive.
Proper technique for submerging and stirring electrodes during measurement.
Guidelines for storing electrodes to maintain moisture and prevent clogging.
Detailed procedures for cleaning electrodes for general, protein, inorganic, and oil/grease contamination.
Lists available pH buffer solutions in sachets and bottles.
Lists available electrode storage solutions.
Lists available electrode cleaning solutions for various contaminants.
Lists available electrolyte solutions for refilling electrodes.
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