Minimising Errors in pH Measurement
Most pH measurement errors come from the tools themselves: the pH electrode, the reference electrode, the buffer solutions and the meter. This guide explains the
Guide to Correct Measurement
Guide to Ion Selective Electrode (ISE) Measurement
Thinking about installing and operating an ISE measurement system? The Guide to ISE is a must-read.
Understanding Sensor History & Performance
This article provides simplified explanations to help gain a better understanding of the functionality and performance of a pH and ORP sensor. Understanding Sensor Performance Rev1.3
How to perform a 3-Point Calibration using a HFC
This video will show you how to perform a 3-Point calibration of a Turtle Tough pH sensor, using a Turtle Tough Handheld Field Communicator (HFC).
Sensor Health and Performance Guide
Unsure about your sensor's health and performance? This guide will show you how to calculate and use the sensor slope & offset to evaluate the
Ground Loops & Electrical Noise in pH and ORP Sensors
A ground loop forms when a measurement circuit is connected to earth at two or more points. The earth's potential varies from point to point,
Cross Verification of Online Measurements
Why they often don’t match up? Many end users describe a situation where continuous online measurement sensors do not agree with lab results or grab
Crossing the pH 7 boundary - myths about pH calibration
There is a common misconception that performing a 2-point calibration across both the acid and alkaline range (e.g. say pH 4 and pH 10) will
Dissolved Oxygen Troubleshooting
Are you experiencing incorrect or unexpected readings? These tips will help you find the cause.