Hach-Lange LDO Sensor Replacement Kit User Manual
DOC022.53.00768
LDO™ Sensor Replacement Kit
For use with Hach LDO101 Standard and Rugged Dissolved Oxygen Probes
User Manual
© HACH Company, 2006. All rights reserved. Printed in the U.S.A. jk/dk February 2006, Edition 1
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LDO™ Sensor Replacement for LDO101 Probes
Each LDO sensor cap replacement kit comes with a sensor-specific
calibration update iButton
sensor module (located on the LDO101 probe cable), the probe calibration is
updated for the new sensor cap.
The kit includes:
• Sensor cap with O-ring and seal
• Calibration update iButton
Replacing the Sensor Cap and iButton
1. Disconnect the LDO101 probe from the meter. If using a rugged LDO101
probe, remove the protective shroud from the end of the probe.
2. Remove the used sensor cap from the probe and discard. Do not touch or
soil the exposed sensor lens (Figure 1).
3. Carefully remove the used O-ring from the sensor tip. Remove the used
cap seal by rolling it off with your fingers. Do not use sharp metal tools.
®
. When the iButton is installed in the pressure-
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