CNYST Digital Nitrogen Oxide Gas Detector NOX Detectors with Resolution 0.01ppm Measuring Range 0-20ppm Accuracy ≤±3% F.S. for Petroleum and Petrochemical, Medical Experiment, Chemical Industry, Etc Turbidity meter Light source lifespan of 2

Light source lifespan of 2 million measurements

operation manual

CNYST Fixed Chlorine Gas Detector Chlorine Leak Detector with Measuring Range 0 to 50ppm Wall-Mounted Signal Output 4 to 20mA and RS485 Die-cast Aluminum Shell for Detection of Gas Concentration in Air

Various parameters of leaf can be measured: leaf area

sensor:Silicon photodiode array dual 16 groups

CNYST Digital Nitrogen Oxide Gas Detector NOX Detectors with Resolution 0.01ppm Measuring Range 0-20ppm Accuracy ≤±3% F.S. for Petroleum and Petrochemical, Medical Experiment, Chemical Industry, Etc Turbidity meter Light source lifespan of 2Feature Detection gas: Nitrogen Oxide; Range: 0 20ppm; Resolution: 0. 01ppm Detection principle: electrochemical principle Built in 3. 7V rechargeable lithium battery, USB interface charging, fast and convenient. Data can be downloaded, printed and stored, data is automatically stored in the instrument, no need to manually record; you can either view the historical data on the instrument or download the data to a computer; Specifications: Gas type: