Hach AN-ISE sc, Addendum To The Operator Manual

Page: 16 / 152

16 English
Section 5 Maintenance
5.3 Replace the sensor cartridge
The sensor cartridge is replaced as described below and in
Figure 15 on page 17 .
1. Replace the cartridge using menu item
AN-ISE SC
or
AISE SC
or
NISE SC > MAINTENANCE > SERVICE >
CARTRIDGE REPLACEMENT
.
2. Clean the probe and thoroughly dry the sensor cartridge and
probe adapter.
3. Loosen the 4 socket head screws.
.
4. Pull the sensor cartridge out of the probe adapter and discard
the old sensor cartridge as per the applicable regulations.
5. Make sure that a new black gasket is installed every time the
sensor cartridge is replaced. Before the gasket is installed,
clean the surface that faces the cartridge and the groove for the
gasket.
6. Insert the new sensor cartridge into the probe adapter. Observe
the marker hole on the sensor cartridge flange and the probe
adapter.
7. Secure the sensor cartridge with the 4 socket head screws.
8. The sensor code (calibration data) is automatically read for
instruments with automatic recognition (LXG440.99.x000x). For
instruments with non-automatic recognition
(LXG440.99.x001x), enter the new sensor code manually (refer
to certificate).
N O T I C E
The sensor cartridge must point downward such that no water can run into
the probe adapter. Pay attention to the contacts between the probe and
the sensor cartridge. These contacts must remain dry.