What to do if Hanna Instruments Measuring Instruments fail to calibrate or give faulty readings?
If your Hanna Instruments Measuring Instruments fail to calibrate or give faulty readings, the issue might be a broken pH electrode. The suggested solution is to replace the electrode.
What to do if Hanna Instruments HI 2212 display shows pH and -2.00 or 16.00 blinking?
If the display of your Hanna Instruments Measuring Instruments shows "p H" and "-2.00" or "16.00" blinking, it indicates that the reading is out of range in the pH scale. Here are steps to address this: * Verify that the electrode is properly connected. * Ensure that the shipping cap has been removed and recalibrate the meter. Confirm that the pH sample is within the specified range. * Check the electrolyte level and the general condition of the electrode.
Why Hanna Instruments HI 2212 readings fluctuate up and down (noise)?
Fluctuating readings (noise) in Hanna Instruments Measuring Instruments can be due to a clogged or dirty junction, or a low electrolyte level (for refillable electrodes only). To resolve this: * Clean the electrode. * Refill with fresh solution (for refillable electrodes only). * Check the cables and connectors.
What to do if Hanna Instruments HI 2212 Measuring Instruments display shows mV and -2000 or 2000 blinking?
If the display of your Hanna Instruments Measuring Instruments shows "m V" and "-2000" or "2000" blinking, it means the reading is out of range in the mV scale. Verify that the electrode is connected.
What to do if Hanna Instruments HI 2212 Measuring Instruments do not accept the buffer solution for calibration?
If your Hanna Instruments Measuring Instruments do not accept the buffer solution for calibration, it could be due to a dirty electrode or contaminated buffer. You should follow the cleaning procedure. If it still fails, replace the electrode and replace the buffer.
How to fix slow response or excessive drift in Hanna Instruments HI 2212 Measuring Instruments?
Slow response or excessive drift in Hanna Instruments Measuring Instruments is often caused by a dirty electrode. Clean the electrode and then soak the tip in HI7061 or HI8061 for 30 minutes.
What to do if Hanna Instruments HI 2212 do not work with the temperature probe?
If your Hanna Instruments Measuring Instruments do not work with the temperature probe, it could be due to a broken or wrong temperature probe. Replace the temperature probe.
What to do if Hanna Instruments HI 2212 display all LCD tags permanently at startup?
If your Hanna Instruments Measuring Instruments displays all LCD tags permanently at startup, one of the keys might be stuck. Check the keyboard or contact the vendor.
What to do if Hanna Instruments HI 2212 Measuring Instruments display "Errxx" error message?
If your Hanna Instruments Measuring Instruments display an "Errxx" error message, it indicates an internal error. Power off the meter and then power it on again. If the error persists, contact the vendor.
General| pH Range | -2.00 to 16.00 pH |
|---|---|
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Accuracy | ±0.2 mV |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Calibration Points | up to 5 points |
| Display | LCD |
| Connectivity | USB |
| Type | pH Meter |
| mV Resolution | 0.1 mV |
| Calibration Buffers | pH 4.01, 7.01, 10.01 |
| Temperature Compensation | Automatic |
| Power Supply | AC adapter or batteries |
| Environment | 0 to 50 °C |
| mV Range | ±2000 mV |
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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