Short-Term Storage; Long-Term Storage; Replacement Parts And Accessories - Hach 29971-72 Benutzerhandbuch

Short-term storage

For short-term periods (less than one week), keep the sensors in the flow chamber. Make sure that
purge gas is constantly supplied to the TC sensor. Keep the indicating instrument energized or use a
purge gas backup unit.

Long-term storage

For long-term storage (more than one week), remove the sensor from the flow chamber. Refer to the
documentation supplied with the sensor for instructions on how to remove, clean and store the
sensors.
Clean the LDO sensor with water and put the protection cap on the collar to keep the membrane
away from light. Do not use chemicals to clean the LDO sensor or damage to the membrane can
occur.
Troubleshooting
Problem
There is beverage The gas supply is
sample suction disconnected with the
through the gas system still under pressure.
supply.
No beverage flows There are defective fittings
in the tubing. or tubing connections.
No beverage flows There is a blockage in the
in the tubing. inlet or outlet ports of the
flow chamber.

Replacement parts and accessories

Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Accessories
Description
Pressure regulator kit
Electrochemical sensor cleaning and regeneration unit
External temperature sensor for off-line use, supplied with 4-pin LEMO connector for
TC sensors equipped with sensor adapter 32558. T-piece for connection to tubing is
included
Possible cause
Flush the gas tubing through with water. Dry the tubing with
a jet of gas.
Examine all Swagelok fittings and tubing connections for
leaks.
Use two wrenches to adjust the fittings. Examine the fitting
on the flow chamber, which can split if there is too much
pressure.
Make sure that the inlet and outlet ports of the flow chamber
are not clogged.
1. Carefully remove the nuts that attach the tubing in the
2. Clean and flush the flow chamber with hot water.
3. Let the flow chamber dry.
4. Assemble the flow chamber.
Note: Refer to the sensor documentation for additional information.
W A R N I N G
Solution
Swagelok inlet or outlet fittings of the flow chamber.
Item no.
29089xx
32301.x
32559.x
English 19