122 708-DS / 709-DS Operator’s Manual
5 Maintenance and Troubleshooting
 
Vessels and Evaporation Covers
1 Carefully wash the dissolution vessels after each use.
DVH Vessel Care (709-DS)
The DVH vessels have been designed for use exclusively with the 
Agilent 709-DS Dissolution Apparatus. The vessel was engineered to be 
easily substituted with another DVH vessel should it become 
accidentally broken or damaged during use. The vessel utilizes a Noryl 
collar and a PVC coating to properly align the vessel within the 709-DS 
as well as protect the electronic components. Although these materials 
have excellent thermal, electrical and chemical resistance; exposure to 
harsh organic liquids and temperatures above 55°C should be avoided. 
All electrical contact surfaces are gold plated to provide excellent 
corrosion resistance.
Your DVH vessel is highly water resistant, meaning it may be cleaned 
with routine manual glassware cleaning procedures and allowed to dry. 
Similar to water resistant watches or electrical devices this does not 
mean it is waterproof which means the vessel should not be deeply 
submerged, pressure washed or undergo extended submersion for 
greater than 30 minutes.
Do not wash 709-DS vessels in a dishwasher. The connectors should 
be kept as dry as possible at all times. If the connectors become wet 
during hand washing, or have been submerged for longer than 30 
minutes, it may be necessary to allow them to dry prior to use.
DVH vessels (709-DS) require extra care when rinsing. Ensure the 
vessel plate and attachment clips are dry and free from any debris before 
re-inserting the vessel.