Notes de terrain
4-20mA Pressure Transmitters for Water Level: How to Choose, Scale and Verify One in Canada
How to choose a 4-20mA pressure transmitter for water level: range and accuracy, scaling mA to metres of water, loop power, vented cables and verification against a tape, with the...
Portable Conductivity Meters: How to Choose One for Field Water Monitoring in Canada
How to choose a portable conductivity meter for field water monitoring: range, probe design, temperature compensation and calibration, with the field instruments ERE carries compared.
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Drive-Point Piezometers: A Low-Cost Alternative to Drilled Monitoring Wells
A drive-point piezometer installs by hammering or direct-pushing into shallow soil for a fraction of the cost of a drilled monitoring well. Compare the Solinst...
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Water Level Data Loggers: Buyer's Guide for Canadian Groundwater Monitoring
Water level data loggers record groundwater and surface water level continuously between site visits. This guide compares absolute vs. vented models, depth ranges, and battery...
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