EnviroDIY | French Broad Riverkeeper | Activity https://www.envirodiy.org/members/frenchbroadriverkeeper/activity/ Activity feed for French Broad Riverkeeper. Wed, 22 Apr 2026 16:03:36 -0400 https://buddypress.org/?v= en-US 30 hourly 2 6122d2f2e427ce76464f59005ba158a1 French Broad Riverkeeper started the topic Alternative to Campbell Scientific OBS-3? in the forum Environmental Sensors https://www.envirodiy.org/topic/alternative-to-campbell-scientific-obs-3/ Mon, 27 Jan 2020 15:39:32 -0500 I am building a water quality monitoring probe using the design from a colleague. The Campbell Scientific OBS-3 was recommended to monitor turbidity. The price was around $1,100, but Campbell Scientific has discontinued that probe and are quoting me $3,500 for the OBS 501 probe as a replacement probe until the finish developing the replacement for…[Read more]

]]> e4241414f335ea467509d46a96459cc6 French Broad Riverkeeper became a registered member https://www.envirodiy.org/activity/p/4762/ Mon, 27 Jan 2020 15:32:37 -0500 0