QIUSUO Pb Ion Meter Portable Lead Ion Tester with Calibration Fluid Accuracy ±1% F.S. Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000 Accuracy ±1% F.S. 2 to 5 Points Calibration

QIUSUO Pen Electromagnetic Ultrasonic Thickness Meter with No Coupling Function Measurement Accuracy ±0.01mm Effective Range 1.0~320mm Backlight Adjustment Sound Velocity Calibration Function

QIUSUO Pen-type Electromagnetic Ultrasonic Thickness Gauge with Sampling Rate 80Msps Bandwidth 2.5Mhz～6Mhz USB Interface

QIUSUO Permanent Magnet Gauss Meter Surface Magnetic Field Meter Tester Fluxmeter with 2% Accuracy 0 to 2400mT 0 to 24000Gs Resolution 0.01mT 0.1Gs

QIUSUO Plant Nutrient Analysis Device Chlorophyll Meter with Chlorophyll 0.0-99.99SPAD Leaf Temperature -10-99.9℃ Leaf Humidity 0.0-99.9RH% Nitrogen Content 0.0-99.99mg/g

QIUSUO Plant Nutrient Analyzer Leaf Chlorophyll Content Measurement with Test Object Chlorophyll Content Nitrogen Content Leaf Temperature and Leaf Humidity Accuracy ± 1.0 SPAD High Measurement Accuracy

QIUSUO Plant Nutrient Analyzer Portable Chlorophyll Meter with Measuring range Chlorophyll 0.0-99.99SPAD Nitrogen content 0.0-99.99mg/g Multi-functional USB Interface High Measurement Accuracy

QIUSUO Plant Nutrition Analyzer Leaf Chlorophyll Content Measuremen for Chlorophyll Content Nitrogen Content Leaf Temperature Leaf Humidity Test with Chlorophyll 0.0-99.99SPAD Nitrogen Content 0.0-99.99mg/g

QIUSUO Plant Nutrition Analyzer Leaf Chlorophyll Content Measurement with Chlorophyll 0.0-99.99SPAD Nitrogen Content 0.0-99.99mg/g Leaf Temperature -10-99.9℃ for Measuring Instantly Relative Chlorophyll Content

QIUSUO Plant Nutrition Analyzer Portable Plant Nutrition Analyzer with Nitrogen Content Measuring Range 0.0-99.99mg/g Leaf Temperature Measuring Range -10-99.9℃ Chlorophyll Measuring Range 0.0-99.99SPAD

QIUSUO Portable Ammonia Ion Meter Portable NH3 Ion Meter with Calibration Fluid Range -1999.9 to 1999.9 mV Resolution 0.1 mV Accuracy ±1% F.S. Backlit LCD Display

QIUSUO Portable Ammonium Ion Meter Ammonium Ion Meter with Standard Calibration Fluid Range 0.1 to 18000 ppm Calibration 2 to 5 Points Range -1999.9 to 1999.9 mV Backlit LCD Display

QIUSUO Portable Benzene Gas Concentration Detector Benzene C6H6 Detection Gas Monitor with Measurement Range from 0 to 100ppm Resolution 1ppm H-alarm 50ppm L-alarm 20ppm

QIUSUO Portable Benzene Gas Detector C6H6 Gas Detector with Measurement Range from 0 to 100ppm Resolution 1ppm Advanced MCU Control LCD Display

QIUSUO Portable C2H4O Gas Detector Ethylene Oxide Gas Detector with Measuring Range 0-100ppm Resolution 1ppm L-Alarm 10ppm H-Alarm 20ppm Water-Proof and Dust-Proof Explosive Proof Housing