https://www.metern.net/news/show-102.html
New national standards for instruments and meters! - Metern Group
Recently, the standards "GB/T 46568.1-2025 Reliability of Intelligent Instrumentation - Part 1: Methods for Reliability Testing and Evaluation" and "GB/T...
instruments and metersnational standardsnewgroup
https://www.ysi.com/
YSI | Water Quality Sampling and Monitoring Meters and Instruments for dissolved oxygen, pH,...
YSI has pioneered the development of high-quality water sensing instrumentation for use in environmental monitoring. Providing accurate water quality...
water quality sampling