Dissolved Oxygen (D.O.) Meter

• Big LCD with D.O. & Temp. value display
• Stability indicator
• Auto temperature compensation
• Easy 100% D.O. Value calibration
• Auto power off time selectable (20/30/40/60/90/120 mins)
• Offered with most cost effective clark type electrode
• Data hold function
• No need refill electrolyte often as gavalnic electrode
• Battery low indicator
• PC link port for data download
• Operation features of each model:

8401:PC link
8402:PC link&manually salt/manual barometric compensation
8403:PC link&manually salt/manual barometric compensation/ memory/ IrDA output/real time display