VTSYIQI Digital Benchtop pH Meter PH Tester with PH Buffer Powder mV Measuring Range -1599～1599mV Resolutin 1mV 2 Points Calibration pH Measuring Range 0.00～14.00pH Resolutin 0.01pH for Measure The pH Value of Sample Solution

VTSYIQI Digital Benchtop pH Meter with 50 Sets Data Storage PH Buffer Powder Movable Bracket mV Measuring Range -1999～1999mV pH Measuring Range -2.00～18.00pH Auto-Shut Off Function 3 Points Calibration for Measure The pH Value of Sample Solution

VTSYIQI Digital Benchtop pH Meter with PH Buffer Powder Movable Bracket 50 Sets Data Storage 3 Points Calibration mV Measuring Range -1999～1999mV pH Measuring Range -2.00～18.00pH Automatic/Manual Temperature Compensation

VTSYIQI Digital Benchtop pH Meter with PH Buffer Powder mV Measuring Range -2000~2000mV Movable Bracket 5 Points Calibration 500 Sets Data Storage 6-inch LCD Display Auto-Shut Off Function Automatic/Manual Temperature Compensation

VTSYIQI Digital Benchtop Spectrophotometer Digital Colorimeter Benchtop Color Meters with Reflectivity Range Resolution 0-200% 0.01% Measurement Wavelength Range 360nm to 780nm Transmittance Φ17mm/Φ25mm for Laboratory Color Analysis and Transmission

VTSYIQI Digital Benchtop Turbidity Meter Turbidimeter Nephelometer with Range 0 to 2000 NTU/FNU 0 to 500 EBC 0 to 9999 ASBC Accuracy ±2% 4 PCS Calibration Solutions Continuous Measurement Mode Suspended Particle Analysis

VTSYIQI Digital Binocular Refractometer Abbe Refractometer with Accuracy ±0.0003 Refractive Index 1.3000-1.7000nD Temperature Display Digital Thermometer Dissolved Solids Brix 0-95% for Liquid Solid Refractive Index Brix Tetser

VTSYIQI Digital Cable Tensiometer Wire Rope Tensiometer Steel Cable Tension Gauge with Tension Range 150-1500N Five Different Wire Sizes LCD Digital Display Real-time Peak The Two Working Modes of Arbitrary Switch Store

VTSYIQI Digital Cable Tensiometer Wire Rope Tension Meter Tester Steel Cable Tension Meter Gauge with Tension Range 50 to 500N Two Working Modes Measuring Six Steel Cable Size Arbitrary Switch Real-time Peak

VTSYIQI Digital Carbon Dioxide (CO2) Controller & Monitor with CO2 Measurement Range 0-9999ppm Temperature Measurement Range 0~50°C(32°F~122°F) Colour Display Pressure Compensation

VTSYIQI Digital Carbon Dioxide Controller Fixed CO2 Monitors with CO2 Measurement Range 0-9999ppm CO2 Display Resolution 1ppm Wall-Mounted Type Digital Color Screen Display Two Mode Human Mode Plant Mode Pressure Compensation

VTSYIQI Digital Carbon Dioxide Monitor CO2 Monitor and Controller with CO2 Measurement Range 0-9999ppm CO2 Repeatability 10ppm Display Resolution 1ppm CO2 Measurement Accuracy 50ppm /Reading 5%