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wrandolphJul 26, 2025
What to do if the Hach sc100 1720E Measuring Instruments shows a low signal?
- Sstephanie99Jul 27, 2025
If the Hach Measuring Instruments shows a low signal, it could be due to several reasons. The photocell or lens might be coated or dirty, requiring cleaning. Disconnected photocell wires should be reconnected. If the photocell is broken or cracked, it needs replacement. An obstructed light path should be cleared, and if the sample turbidity exceeds 100 NTU, consider switching to a high range turbidimeter. Also, check for bad lamp causes and apply the corresponding corrective actions. Cleaning the lens can be done using isopropyl alcohol and a cotton swab.
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