ESM-11V seepage measurement system consists of a submersible cylinder and level sensor to monitor the water head developed over the V-notch weir. Change in level changes the buoyancy on the cylinder that is measured by a highly sensitive vibrating wire sensor. V-notch weirs are additionally available on request if specifically asked for.
|Range (mm wc)||300, 600, specify|
|Accuracy||± 0.1 % fs|
|Non-linearity||± 0.5 % fs|
|Temperature limit||-20° to 80°C|
|Thermistor||YSI 44005 or equivalent|