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Field Notes

Blue pocket TDS tester with its electrode in a beaker of clear water on a stainless-steel laboratory bench beside blank sample bottles and a clipboard
September 21, 2026

TDS Meters: How to Choose One, Set the Conversion Factor and Calibrate It in Canada

By ERE Inc.

How to choose a TDS meter: the conversion factor, low- vs high-range models, calibration standards and temperature compensation, with the Hanna and Ohaus testers and...

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Green pocket ORP tester with its electrode in a beaker of water on a field table beside a monitoring well
September 20, 2026

ORP Meters: How to Choose and Verify an Oxidation-Reduction Potential Meter for Water Testing in Canada

By ERE Inc.

How to choose an ORP meter for field water testing: pocket, portable and bench formats, ORP electrodes, verification with test solutions, and why redox readings...

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Pocket pH tester in a beaker of water on a laboratory bench
September 20, 2026

pH Meters: How to Choose a Pocket, Portable or Bench Meter for Water Testing in Canada

By ERE Inc.

How to choose a pH meter for water testing: pocket testers, portable meters and bench meters compared by accuracy, electrode type and calibration, with the...

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Portable dissolved oxygen meter and probe beside a shallow stream
September 19, 2026

Dissolved Oxygen Meters: How to Choose One for Field Water Monitoring in Canada

By ERE Inc.

How to choose a dissolved oxygen meter for field water monitoring: optical, galvanic and polarographic probes, range, compensation and calibration, with the instruments ERE carries...

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Portable conductivity meter and probe beside a groundwater monitoring well
September 19, 2026

Portable Conductivity Meters: How to Choose One for Field Water Monitoring in Canada

By ERE Inc.

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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Environmental consultant deploying Solinst Levelogger 5 water level datalogger in monitoring well at Phase II ESA site
June 28, 2026

Solinst Levelogger 5: Groundwater Monitoring Guide

By ERE Inc.

Solinst Levelogger 5 setup guide: pick the right model, connect via App Interface or Levelogger Software, deploy correctly. Get a quote — ERE Canada.

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