In-situ Level TROLL 400, Руководство оператора, Страница: 73 / 85

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4. Remove the red dust cap from the black nylon cap to allow air to reach the cable’s vent tube.
1
Outboard desiccant is attached to the
cable vent tube.
2
Desiccant is secured to the cable with a
strap.
Using the Desiccant Refill Kit
1. Remove the black nylon vent cap from the top of the desiccant.
2. Pour out and discard the used desiccant. Check the glass wool in the bottom of the container and replace if
necessary.
The glass wool prevents the desiccant beads from falling out the cable end of the desiccant
pack. If the wool glass does this effectively, there is no need to replace it when refilling the
desiccant.
3. Fill the container with fresh desiccant. Replace the vent cap. Reattach to cable if removed.
Antifouling
TROLL Shield Nose Cone
The copper TROLL Shield Nose Cone is designed to reduce macro- and micro-fouling of the pressure sensor on Level TROLL
and Aqua TROLL Instruments. Reduced fouling on the sensor improves measurement accuracy and extends the length of
deployments.
For optimum performance, the TROLL Shield Nose Cone should be replaced every 12 months or sooner if site conditions are
extremely harsh.
Description Part Number
TROLL Shield Nose Cone 0081480