Yellow Springs Instruments sonde hydrol.

[YuYusha]

Помогите перевести: Yellow Springs Instruments sonde
Контекст: In the 1950s, 1960s and 1970s, this instrument was a
Mackereth temperature ⁄oxygen probe (Mackereth, 1964)
but this was replaced by a Yellow Springs Instruments
sonde in the 1980s.
Заранее спасибо!

[trtrtr]

YSI is a developer and manufacturer of sensors, instruments, software, and data collection platforms for environmental water quality monitoring and testing. Reaching beyond our products, we build relationships with our customers through our dedicated customer service, including technical applications and service support.
http://www.ysi.com/index.php
+Cм. http://www.multitran.ru/c/m/l1=1&l2=2&s=sonde

[Susan]

В смысле, что Yellow Springs Instruments - это название компании-производителя.