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Posts Tagged ‘leveltroll’

Monitoring Water Level At Remote Locations

If you need to monitor water level and rainfall at remote locations it can be done for under $2500 with the In-Situ, Inc. TROLL Link 101 and LevelTROLL.  The TROLL Link 101 is a GSM cell modem based system that can transmit data from LevelTROLLs, AquaTROLLs, and TROLL 9500’s to a secure data center hosted…

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Comparing Absolute and Gauged Pressure Sensors

This technical note describes the difference between absolute and gauged pressure sensors and explains the proper use of each type of sensor in different applications for In-Situ, Inc. LevelTROLL and AquaTROLL instruments. Figure 1 provides a general illustration of the forces measured by a pressure sensor’s internal strain gauge.

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