Aquaculture DO Tester 0-30mg/L Digital Dissolved Oxygen Meter Water Quality Tester Measuring Range Oxygen Contents Detector

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : No High-concerned chemical : None Is Smart Device : No Model Number : AR8406 portable dissolved oxygen analyzer With Backlight Or Not : Yes Display Type : DIGITAL Brand Name : JUANJUAN Origin : Mainland China Certification : CE