VTSYIQI Portable Chlorophyll Meter 4 in 1 Chlorophyll Content Nitrogen Content Leaf Temperature Leaf Humidity Tester with Measuring Range 0.0-99.99SPAD 0.0-99.99mg/g -10-99.9℃ 0.0-99.9RH%

VTSYIQI Portable Chlorophyll Meter Chlorophyll Concentration Meter with Measuring Object Chlorophyll Content and Leaf Temperature Measurement Area 2mm*2mm Measuring Range 0.0-99.9 SPAD -10~99.9°C Precision ±1.0 SPAD ±0.5°C

VTSYIQI Portable Chlorophyll Meter Chlorophyll Content Meter with Measuring Range 0.0 to 99.9 SPAD 2GB SD Card Data Storage For Instantly Relative Chlorophyll Content Measurement

VTSYIQI Portable Chlorophyll Meter Leaf Chlorophyll Tester Crop Nutrition Diagnostic with Chlorophyll Range 0.0‐99.9SPAD Nitrogen 0.0‐99.9mg/g For Nitrogen Chlorophyll Leaf Temperature Leaf Humidity

VTSYIQI Portable Chlorophyll Meter Plant Leaf Chlorophyll Analyser Plant Nutrition Tester Chlorophyll Relative Content Measurement For Testing Plant Green Degree Nitrogen Content Leaf Temperature

VTSYIQI Portable Chlorophyll Meter Plant Leaf Surface Temperature Tester with Chlorophyll Measuring Range 0.0-99.99SPAD Measured Area 2mm * 3mm Leaf Temperature Measuring Range -10-99.9℃

VTSYIQI Portable CL2 Gas Detector Chlorine Detector with 32-bit Built-in MCU High Reliability and Self-adaptation Ability Measuring Range 0-50ppm Accuracy ≦±5% for Industrial Site Safety Monitoring

VTSYIQI Portable Cl2 Gas Detector CL2 Leak Detector with Measuring Range 0 to 20ppm Resolution 0.1ppm L-Alarm: 5ppm H-Alarm 10ppm Die-cast Aluminum Shell Flameproof Structure

VTSYIQI Portable Cl2 Gas Detector Handheld Chlorine Gas Detector with Measuring Range 0 to 50ppm Resolution 0.1ppm Response Time ≤30s Sound and Light Alarm Built-in Micro Sampling Pump for CL2 Gas Test

VTSYIQI Portable Class 1 Sound Level Meter Integrating Sound Level Tester Multifunctional Noise Measurement with Integrating Function 10 Hz-20 kHz 25dB(A)-140dB(A) 8000 Groups Storage AC DC USB RS232

VTSYIQI Portable Class 2 Sound Level Meter Integrating Sound Level Tester Multifunctional Noise Measurement with Integrating Function Range 20Hz-12.5kHz 30dB(A)-130dB(A) AC DC RS232 Outputs

VTSYIQI Portable CLO2 Gas Detector CLO2 Gas Leak Monitor Meter with Measuring Range 0-50ppm Resolution 0.1ppm L-alarm 50ppm H-alarm 150ppm Explosive Proof Housing