In-Situ Level TROLL 300/500/700/BaroTROLL Operators Manual - Manual (Page 40)

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BaroTROLL Instrument Installation
The BaroTROLL Instrument is designed to log barometric pressure from 0 to 16.5 PSIA
(1.14 bar, 33.59 inHg) at the surface near a submerged non-vented Level TROLL
Instrument or Aqua TROLL 200 Instrument. BaroTROLL data may then be used to
correct the water level data for barometric pressure fluctuations. See page 15.
Programming the Baro TROLL Instrument
Connect the BaroTROLL to Win-Situ 5 Software and sync the clock.See page 52.
Set up a log with the same start time and sample interval as you set up in the non-
vented level instrument. See page 52.
Installation
After the BaroTROLL Instrument is programmed, install it in a protected location above
the water level near the submerged water level instrument. One installation
configuration option is shown below using a twist-lock hanger and a suspension wire.
To prevent flooding of the BaroTROLL electronics, attach the
twist-lock hanger before you install the BaroTROLL.