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. 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

QIUSUO Nitrate Ion Meter Nitrate Ion Concentration Tester with Calibration Solution Accuracy±0.5% Range 0.4 to 62000 ppm F.S. 2 to 5 Points Calibration

QIUSUO Nitrate Ion Meter NO3 Ion Meters with Range 0.4 to 62000 ppm Calibration Fluid 2 to 5 Points Calibration for Testing Nitrate Ion

QIUSUO Nitric Oxide Detector Digital NO Analyzer with Accuracy ≦ 5% F.S L-Alarm 50ppm H-Alarm 150ppm Range 0-250ppm Resolution 1ppm ABS Material Waterproof High Precision and Real Data Test Measurement & Inspection

QIUSUO Nitric Oxide Gas Detector Handheld NO Monitor with Resolution 1ppm Accuracy ≦ 5% F.S L-Alarm 50ppm H-Alarm 150ppm Range 0-250ppm for Combustible and Toxic Gas Leakage Detection Test

QIUSUO Nitric Oxide Gas Detector Wall Mounted NO Gas Detector with Range 0-250ppm Resolution 1ppm L-Alarm 50ppm H-Alarm 150ppm Accuracy ≦ 5% F.S High Precision and Real Data Advanced Micro-Power Technology

QIUSUO Nitrogen Detector N2 Gas Detector with Resolution 0.1vol Accuracy ≦ 5% F.S Range70%- 100%vol Response time T＜30s for Combustible and Toxic Gas Leakage Detection

QIUSUO Nitrogen Dioxid Gas Detector Wall-mounted NO2 Detector with Range 0-20ppm Resolution 0.1ppm L-alarm 5ppm H-alarm 10ppm Accuracy ≦ 5% F.S for Combustible and Toxic Gas Leakage Detection Test