VTSYIQI Portable Calcium Ion Meter Lab Ca Ion Concentration Meter with Calibration Fluid Range 0.02 to 40100 ppm Range ±1999.9 mV Accuracy ±1% F.S. 2 to 5 Points Calibration Data Store Fuction

VTSYIQI Portable Cell Tower Cable Tension Meter Wire Tension Tester with Measurment Range 5000N High Accuracy Digital Display for Testing the Tension of Wire and Cable Fibres and Ropes Used in the Power Industry Communications Industry

VTSYIQI Portable CH2O Gas Detector Handheld Formaldehyde Gas Detector with Resolution 0.01ppm Measuring Range 0-10ppm Accuracy ≤±3% F.S.USB Data Transfer LCD Liquid Crystal Display Built-in Micro Sampling Pump Principle Electrochemical

VTSYIQI Portable Chloride Ion Meter Tester CL Ion Concentration Meter with Calibration Fluid Range 1 to 35000 ppm Range ±1999.9 mV Accuracy ±0.5% F.S. Standard Calibration Solutions Calibration 2 to 5 Points Resolution 0.001 0.01 0.1 1

VTSYIQI Portable Chlorine Detector CL2 Leak Alarm with Measuring Range 0 to 20ppm Resolution 0.1ppm Liquid Crystal Dot Matrix Display Technology Principle Electrochemical Built-in Micro Sampling Pump

VTSYIQI Portable Chlorine Dioxide Detector with Measuring Range 0 to 50ppm Resolution 0.01ppm Built-in Micro Sampling Pump Data Logging Function Detection Principle Electrochemical for ClO2 Gas Test

VTSYIQI Portable Chlorine Gas Detector Chlorine Leak Alarm with Measuring Range 0-50ppm Resolution: 0.1ppm L-alarm 5ppm H-alarm 10ppm Accuracy ≦ 5% F.S.

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