VTSYIQI Pocket Dissolved Oxygen Meter Accuracy 0.5mg/L 1 or 2 points calibration For Aquaculture and aquariums

VTSYIQI Pocket Electromagnetic Ultrasonic Thickness Gauge with Effective Range 1.0~320mm Backlight Adjustment Bandwidth 2.5MHz～6MHz Measurement Accuracy ±0.01mm Auto Freeze/Gain/Sleep L, M, H Three-Level Adjustable

VTSYIQI Pocket Electromagnetic Ultrasonic Thickness Gauge with Effective Range 1.0~320mm No Coupling Function Sound Velocity Range 400～9999 m/s for Aluminum Copper Iron Carbon Steel Cast Steel Alloy Steel Stainless Steel Titanium Alloy Etc

VTSYIQI Polarimeter Digital Automatic Polarimeter with Wavelength 589nm Accuracy ±(0.01+Measuring Value×0.05%)°(Optical Rotation) Measurement Range ±45°(Optical Rotation) Sample Transmittance 10% Test Tube 100mm/200mm (Regular) RS232 Interface

VTSYIQI Polarimeter Digital Lab Automatic Polarimeter with Test Tube 100mm/200mm (Regular) RS232 Interface Measurement range ±45°(Optical Rotation) ±120°Z(Sugar) Minimum Indicating Value 0.001°(Optical Rotation) 0.01°Z(Sugar) Repeatability ≤0.002°

VTSYIQI Polarimeter Disc Polarimeter Interference Filter Light Source Polarimeter with Range ±180° Division Value 1° 100mm and 200mm Polarimeter Tube Visual Aim 4X Magnifying Factor of The Magnify

VTSYIQI Polarimeter Disc Polarimeter Manual Polarimeter with Range from -180° to +180° Accuracy 0.05° Scale Value 1° Magnifier 3X Light Source Sodium Lamp for Measuring Optically Active Substances

VTSYIQI Polarimeter Disc Polarimeter with 589nm Sodium lamp Plus Minus 180 Degree Optical Rotation Measurement

VTSYIQI Polarimeter Disc Polarimeter with 589nm Sodium lamp Plus Minus 180 Degree Optical Rotation Measurement

VTSYIQI Polarimeter Instrument Disc Polarimeter with Optical Rotation Measurement Light Source Sodium Lamp 100mm 200mm Polarimeter Tube Measuring Range -180° to +180° for Determining Concentration Levels of Samples

VTSYIQI Polarimeter Instrument Manual Polarimeter Tester with Measuring Range ±180° Sodium Lamp Optical Rotation Measurement 100mm and 200mm Tube

VTSYIQI Polarimeter Instrument Manual Polarimeter with Measurement Range -180°～+180° Minimum Reading Value 0.05° Accuracy ±0.05° Optical Rotation Measurement for Measuring The Organic Substances