Hach-Lange LDO - Changing sensor cap - Manual

DOC273.52.00030.Aug04
LDO - Changing sensor cap
• Change the sensor cap once a year or if the measurements are excessively
inaccurate despite cleaning and calibration.
• Do not expose the inside of the sensor cap to direct or indirect sunlight.
• Leave the sensor cap in the packaging until immediately prior to installation.
• Enter the sensor code as described below.
Fig. 1 Changing sealing ring and sensor cap
1. Clean the seal groove (1) before you fit a new sealing ring (2).
2. Place the sealing ring in the seal groove.
3. Fit and hand-tighten the new sensor cap (3).
1 2 3