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Hach ORBISPHERE 51 Series User Manual

Hach ORBISPHERE 51 Series
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104
Maintenance and Troubleshooting
15.2.3 Sensor spot replacement
3. When unscrewed completely simply lift out the old
sensor spot. Pull off the maintenance tool and
discard the old sensor spot.
4. Check the red O-ring (position indicated right). If it
appears damaged in any way, then using a pair of
tweezers, remove and replace it with the new
O-ring from the maintenance kit.
NOTICE
Avoid scratching or damaging the sensor spot (the
black surface on the sensor head) during this process.
1. Push the maintenance tool (square sides upmost)
as far down as possible over the new sensor spot.
Continue to push down on the tool and turn gently
until the square sides of the tool and the square
slots of the sensor spot engage. The tool should
then drop into position.
2. Make sure the sensor collar is as far down as it will
go, so that the top of the collar is aligned with the
base of the sensor head.
3. Take the combined maintenance tool and sensor
spot and place it in the end of the sensor.

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Hach ORBISPHERE 51 Series Specifications

General IconGeneral
BrandHach
ModelORBISPHERE 51 Series
CategoryMeasuring Instruments
LanguageEnglish

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