In-Situ Aqua TROLL 400 Operators Manual - Manual (Page 7)

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Sensor Specifications
Level, Depth, Pressure Sensor Specifications
Accuracy Typical ±0.1% FS @ 15° C; ±0.3% FS max. from 0 to 50° C
Range 76 m (250 ft); absolute (non-vented)
Resolution ±0.01% FS or better
Sensor Type Fixed
Response
Time
Instantaneous in thermal equilibrium
Units of
Measure Pressure: psi, kPa, bar, mbar, mmHg, inHg
Level: mm, cm, m, in, ft
Methodology Piezoresistive; ceramic
Conductivity Sensor Specifications
Accuracy Typical ±0.5% + 1 μS/cm; ±1% max.
Range 5 to 100,000 μS/cm
Resolution 0.1 μS/cm
Sensor Type Fixed
Response
Time
Instantaneous in thermal equilibrium
Units of
Measure
Actual conductivity (μS/cm, mS/cm)
Specific conductivity (μS/cm, mS/cm)
Salinity (PSU)
Total dissolved solids (ppt, ppm)
Resistivity (Ohms-cm)
Density (g/cm3)
Methodology Std. Methods 2510 EPA 120.1