How to fix high conductivity readings on Hach Sension 156?
If the conductivity reading on your Hach Multimeter is above 256 mS/cm, the salinity is greater than 43, or the TDS is greater than 50 g/L, the conductivity electrode may need calibrating, or a diluted sample may be required for an accurate reading.
Why does my Hach Multimeter show a DO calibration error?
If you get a DO calibration error on your Hach Multimeter, wait at least 20–30 minutes longer or use the correct standard and redo the DO calibration. This issue is probably caused by calibrating with an unpolarized electrode or using the wrong calibration standard.
How to resolve pH calibration error on Hach Sension 156 Multimeter?
If you are getting a pH calibration error (latest point produced invalid slope) on your Hach Multimeter, verify you have the correct buffer and reread. This could also indicate an electrode failure or that you read the wrong buffer.
What to do if Hach Multimeter pH reading is between buffers?
If your Hach Multimeter's pH reading stabilizes between valid buffers, verify you have the correct buffer and reread. This may be due to reading the wrong buffer, or electrode failure.
Why is DO concentration too high on my Hach Sension 156 Multimeter?
If the DO concentration is greater than 30 mg/L on your Hach Multimeter, the DO electrode may need more time to polarize after attaching to the meter.
How to fix temperature out of range error on Hach Multimeter?
If the temperature is out of range for DO or Salinity measurements on your Hach Multimeter, change the temperature of the sample, because the DO and Salinity measurement calculations are only valid within the specified temperature ranges.
What causes conductivity calibration error on Hach Multimeter?
Verify you have the correct buffer and reread if you are getting Conductivity calibration error on Hach Multimeter. This is probably because you read the wrong conductivity buffer, or due to electrode failure.
General| Brand | Hach |
|---|---|
| Model | Sension 156 |
| Category | Multimeter |
| Language | English |
Explains hazard signal words like Danger, Caution, and Note.
Advises reading all labels for safety and instrument protection.
Guides on connecting the meter using a docking station or batteries.
Provides step-by-step instructions for performing pH calibration.
Explains methods for calibrating conductivity using standards or cell constant.
Outlines procedures for zeroing and calibrating the DO probe.
Lists error codes and their possible remedies for meter issues.
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