What does 'Error Selfcheck stopped. Hardware error' mean on Hach Measuring Instruments?
If the Hach Measuring Instruments displays 'Error Selfcheck stopped. Hardware error', it indicates an electronic defect. Contact technical support and provide the error number.
What to do if Hach Measuring Instruments displays 'Web server cannot be reached'?
If the Hach Measuring Instruments displays 'Web server cannot be reached', it means the Viper homepage cannot be reached. Try the connection again later.
What to do if Hach Measuring Instruments displays 'System check incorrect!'?
If the Hach Measuring Instruments displays 'System check incorrect!', it means the measurement of air values failed. Switch the instrument off and then back on again. If the system check is still unsuccessful, contact technical support.
What to do if Hach LZV902 displays 'Temperature too high. Measurement not possible!'?
If the Hach Measuring Instruments displays 'Temperature too high. Measurement not possible!', switch off the instrument and allow it to cool for a few minutes. If necessary, move it to a cooler place.
What does 'Shelf life exceeded! Use chemicals?' mean on Hach LZV902?
If the Hach Measuring Instruments displays 'Shelf life exceeded! Use chemicals?', the analysis may be erroneous. Use new chemicals.
What does 'Control range not reached!' mean on Hach LZV902 Measuring Instruments?
If the Hach Measuring Instruments displays 'Control range not reached!', this is a warning notice indicating that the control limit set was not reached.
What to do if Hach LZV902 Measuring Instruments says 'File for instrument update is faulty'?
If the Hach Measuring Instruments indicates that the file for the instrument update is faulty, it means there was an error during the update. Save the update file again and repeat the procedure.
What does 'Fault Clean cuvette!' mean on Hach Measuring Instruments?
If the Hach Measuring Instruments displays 'Fault Clean cuvette!', it indicates that the cuvette is dirty or there are undissolved particles in it. Clean the cuvette and allow any particles to settle before proceeding.
What to do if Hach LZV902 Measuring Instruments says 'Over measuring range'?
If your Hach Measuring Instruments indicates that you are over the measuring range, it means the measured absorbance is above the calibration range of the test. To fix this, dilute the sample and measure it again.
What to do if Hach LZV902 Measuring Instruments displays 'Concentration too high!'?
If the Hach Measuring Instruments displays 'Concentration too high!', it means the calculated concentration is higher than 999999. Dilute the sample and measure again to resolve this issue.
General| Accuracy | ±5% of reading or ±5 mg/L (ppm), whichever is greater |
|---|---|
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Range | 0 - 4000 mg/L (ppm) |
| Output | 4-20 mA, RS-485 Modbus |
| Measurement Range | 0 - 4000 mg/L (ppm) |
| Wetted Materials | 316 stainless steel |
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