Regenerate The Molecular Sieve; Replace Syringe Electro-Valve Block - Hach LANGE TitraLab KF1000 Series User Manual

Maintenance

7.4 Regenerate the molecular sieve

7.5 Replace syringe electro-valve block

30
For other sensors, obey the cleaning instructions given in the documentation supplied
with the sensor.
It is recommended to regenerate the molecular sieve weekly, but this will vary depending
on the humidity of the laboratory. A humidity indicator, such as color changing silica gel
crystal, can be used to show when regeneration is necessary.
To regenerate the molecular sieve, dry it in an oven at a temperature of 300 °C (572 °F)
for at least 4 hours. When cool, it can be kept in a glass bottle with an airtight seal.
Electrocution hazard. Remove power from the instrument before this procedure is started.
It is recommended that this procedure is only done by a qualified service engineer.
Refer to the illustrated steps that follow.
D A N G E R
N O T I C E