VTSYIQI Phosphine Gas Leak Detector PH3 Detector with Accuracy ≤±3% F.S.Response Time ≤30s Measuring Range 0 to 100ppm Resolution 0.1ppm USB Interface Built-in Micro Sampling Pump Principle Electrochemical Explosion-Proof Certification

VTSYIQI Phosphine Gas Leak Detector Phosphine Concentration Detection with Measuring Range 0-50ppm Resolution 0.01ppm Standard 4-20mA and RS485 Infrared Remote Control Sound & Light Alarm

VTSYIQI Phosphorus Trihydrogen Gas Detector PH3 Gas Monitor PH3 Leak Detector with Measuring Range 0 to 20ppm Resolution 0.1ppm for Gas Field Hotel Gas Detection

VTSYIQI Pie Gauge Magnetic Field Indicator Magnetic Particle Testing 3 Pcs Set

VTSYIQI Pie Shaped Magnetic Particle Field Indicator Pie Gauge 3 Pcs Magnetic Particle Testing Set

VTSYIQI Plant Chlorophyll Meter Chlorophyll Content Meter with Measurement Range Chlorophyll 0.0-99.9SPAD Leaf Temperature -10-99.9℃ for Chlorophyll Content Leaf Temperature Test

VTSYIQI Plant Chlorophyll Meter Chlorophyll Content Meter with Measuring Range Chlorophyll 0.0~99.9SPAD Nitrogen Content 0.0~99.9mg/g Leaf Surface Humidity 0.0~99.9%RH Leaf Surface Temperature -10~99.9℃

VTSYIQI Plant Chlorophyll Meter Chlorophyll Content Tester Leaf Surface Temperature Measurement Device with Measuring Range Chlorophyll 0.0-99.99SPAD Leaf Temperature -10-99.9℃

VTSYIQI Plant Chlorophyll Meter Leaf Chlorophyll Content Analyzer Temperature Nitrogen Moisture Chlorophyll Meter with Measurement Range 0.0 To 99.9SPAD 0.0-99.99mg/g -10-99.9℃ 0.0-99.9RH% 16GB Data Storage

VTSYIQI Plant Nutrient Analyser 4 in 1 Plant Leaf Analyser with Chlorophyll Range 0.0‐99.9SPAD Nitrogen 0.0‐99.9mg/g Leaf Humidity 0.0‐99.9RH% Leaf Temperature -10‐99.9°C for Chlorophyll Content Nitrogen Leaf Temperature Leaf Humidity Test

VTSYIQI Plant Nutrient Analyzer Chlorophyll Concentration Meter with Measuring Range 0.0 to 99.99SPAD Nitrogen 0.0-99.99mg/g Temperature -10-99.9℃ for Plant Green Degree Nitrogen Content Leaf Temperature Testing

VTSYIQI Plant Nutrient Meter Tester Analyzer Nitrogen Content Measurement Leaf Temperature Tester with Chlorophyll 0.0 to 99.9SPAD Nitrogen Content 0.0 to 99.9mg/g Leaf Surface Temperature -10 to 99.9℃