QIUSUO N2 Gas Detector Portable Nitrogen Gas Detector with Resolution 0.1vol Range 70%- 100%vol Accuracy ≦ 5% F.S High Precision and Real Data Test Measurement & Inspection Response time T＜30s

QIUSUO N2 Gas Detector Portable Nitrogen Detector with Resolution 0.1% vol Range 70%- 100% vol Accuracy ≦ 5% F.S High Precision and Real Data Test Measurement Inspection Response time T＜30s

QIUSUO Na Ion Meter Lab Sodium Ion Meter with Accuracy ±0.5% F.S. Range -1999.9 to 1999.9 mV Standard Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000

QIUSUO Na Ion Meter Portable Na Ion Meter with Calibration Fluid Range 0.002 to 69000 ppm Range -1999.9 to 1999.9 mV Resolution 0.001 0.01 0.1 1 Allows Setting the Number of Calibration Points

QIUSUO Na Ion Meter Sodium Ion Meters with Calibration Fluid Range 0.002 to 69000 ppm Accuracy ±0.5% F.S.Setup Menu Allows Setting the Number of Calibration Points USB Communication Interface for Testing Sodium Ion

QIUSUO NH3 Detection Fixed Ammonia Monitor with Resolution 0.01ppm Precision＜5% F.S L-alarm 20ppm H-alarm 50ppm Range 0-100ppm Advanced Micro-Power Technology Sensors ABS Material Waterproof

QIUSUO NH3 Detector Portable Ammonia Monitor with Range 0-100ppm Resolution 1ppm Accuracy ≦ 5% F.S.Aluminum Shell material ABS Material Waterproof for Combustible and Toxic Gas Leakage Detection Test

QIUSUO NH3 Detector Wall-mounted Ammonia Monitor with L-alarm 20 ppm H-alarm 50 ppm Range 0-100ppm Resolution 1ppm Accuracy ≦ 5% F.S Advanced Micro-Power Technology Sensors ABS Material Waterproof

QIUSUO NH3 Gas Detector Ammonia Tester with Range 0-100ppm Resolution 1ppm L-Alarm 20ppm H-Alarm 50ppm Accuracy ≦ 5% F.S.Aluminum Shell material for Combustible and Toxic Gas Leakage Detection Test

QIUSUO NH3 Ion Concentration Meter Portable Ammonia Ion Meter with Range ±1999.9 mV Accuracy ±1% F.S. Standard Calibration Fluid Ion Concentration Range 0.01 to 17000 ppm 2 to 5 Point Calibration

QIUSUO NH3 Ion Meter Ammonia Ion Meters with Range 0.01 to 17000 ppm Calibration Fluid Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration Stores Up to 500 Data Sets for Test Ammonia Ion

QIUSUO NH3 Ion Meter Handheld Ammonia Ion Meter with Range 0.01 to 17000 ppm Calibration Fluid 2 to 5 Points Calibration

QIUSUO NH3 Ion Meters Ammonia Ion Meter with Accuracy ±1% F.S. Calibration Fluid Range 0.01 to 17000 ppm 2 to 5 Point Calibration 500 Sets of Data Storage for Testing Ammonia Ion

QIUSUO NH4 Ion Meter Ammonium Ion Concentration Meter with Standard Calibration Fluid Range 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV

QIUSUO Nitrate Ion Concentration Tester Handheld NO3 Ion Meter with 2 to 5 Points Calibration Range From 0.4 to 62000 ppm Backlit LCD Display Setup Menu Allows Setting the Number of Calibration Points Calibration Fluid