QIUSUO Wall-mounted HF Gas Detector Hydrogen Fluoride Gas Detector with Range 0-10ppm L-alarm 3ppm H-alarm 5ppm Accuracy≦ 5% F.S Resolution 0.1 ppm Water-proof Response Time T＜30s

QIUSUO Wall-mounted NH3 Detector Ammonia Tester with L-Alarm 10ppm H-Alarm 20ppm Range 0-100ppm Resolution 1ppm Accuracy ≦ 5% F.S for Combustible and Toxic Gas Leakage Detection Test

QIUSUO Wall-mounted Nitrogen Dioxid Gas Detector NO2 Gas Tester with Range 0-20ppm Resolution 0.1ppm L-alarm 5ppm H-alarm 10ppm Accuracy ≦ 5% F.S High Precision and Real Data ABS Material Waterproof

QIUSUO Wall-mounted Nitrogen Gas Detector N2 Gas Detector with Measuring Range70%- 100%vol Resolution 0.1vol Aluminum Shell Accuracy ≦ 5% F.S High-Strength ABS Material Explosion Proof

QIUSUO Wall-mounted Nitrogen Gas Detector N2 Monitor with Resolution 0.1vol Accuracy ≦ 5% F.S. Measuring Range70%- 100%vol for Combustible and Toxic Gas Leakage Detection Test High Precision

QIUSUO Wall-mounted NO2 Gas Detector Nitrogen Dioxide Gas Detector with Range 0-20ppm Resolution 0.1ppm Die-Cast Aluminum Shell

QIUSUO Water Hardness Meter with Standard Calibration Solutions Range 0.05 to 200 mmol/L Resolution 0.001 0.01 0.1 1

QIUSUO Water Turbidity Meter Turbidity Tester with Formazine Standard Turbidity Solution Minimum Indication 0.01NTU Measurement Range 0-20 NTU for Testing Low Turbidity of Liquids

QIUSUO Water Turbidity Meters Lab Turbidity Meter with Formazine Standard Turbidity Solution Measurement Range 0 to 400 NTU Minimum Indication 0.01 NTU Indicative Error Basic Error ±6% for Testing Turbidity of Liquids

QIUSUO Water Turbidity Meters Turbidity Measurement Device with 2-5 Point Calibration Vials Range 0~1100 NTU/FNU 0~275 EBC 0~9999 ASBC 100 Groups Storage USB 4 PCS Calibration Solution

QIUSUO Wire Mesh Tension Meter Digital Screen Printing Tension Meter with Fiducial Error 5% Display Range 0~50 N/cm Measurement Range 7~40 N/cm High Accuracy LCD Digital Display Eliminating Reading Error

QIUSUO Wire Mesh Tension Meter Digital Screen Tension Meter with Resolution 0.1 Measurement Range 7~40N/cm LCD Digital Display Eliminating Reading Error for General Wire Mesh Tension and Steel Mesh Tension Measurement

QUSUO Chlorophyll Concentration Meter Portable Chlorophyll Meter with Leaf SurfaceTemperature -10 to 99.9℃ Accuracy ± 1.0 SPAD 16GB Large Storage Space Support Sustainable Practices

VTSYIQI Rebar Corrosion Detector Rebar Rust Tester Rebar Corrosion Detection for Testing Steel Bars Corrosion Probability Inside Concrete Walls Beams Columns with Measure Potential ±1000mV Accuracy ±1mV