VTSYIQI Polarimeter Tube with Vitreous Length 200mm Vitreous Diameter 15mm Sample Capacity 40ml Suitable for Manual Semi-Automatic and Automatic Polarimeters

VTSYIQI Polarimeters Disc Polarimeter Instrument with Accuracy 0.05° Research Industry Type Disk Polarimeter 100mm and 200mm Polarimeter Tube 110V

VTSYIQI Polarimeters Manual Polarimeter Disc Polarimeter Instrument with Measuring Range -180°~180° Scale Value 1° Light Source Sodium Lamp Accuracy 0.05° 100mm and 200mm Polarimeter Tube

VTSYIQI Porosity Detector High Voltage Holiday Detector 50KV with Test Voltage Range 1KV~50KV High Voltage Output Pulse Thickness Range 0.1~35mm Resolution 0.1KV Setting Voltage Accuracy ±(0.1KV+3% reading)

VTSYIQI Porosity Detector High Voltage Holiday Detector with Resolution 0.1KV Test Voltage Range 0.6KV-30KV Thickness Range 0.05m-10mm Max Leak Record 999 Maximum High Voltage Output Pulse for Crack Fissure Bubble Pinhole

VTSYIQI Porosity Detector Spark Leak Detector Measurement Holiday Detector with Test Voltage Range 0.6KV-30KV Thickness Range 0.05m-10mm Resolution 0.1KV for Detect Metal Anti-Corrosion Coating Quality

VTSYIQI Portable Ammonia Gas Detector NH3 Gas Detector NH3 Gas Leakage Alarm Monitor with Measuring Range 0-100ppm Accuracy ≦ 5% F.S. Resolution 0.1/1ppm for Coal Mine Shipping Gas Detection

VTSYIQI Portable Ammonia Ion Meter NH3 Ion Concentration Meter with Measurement Units ppm mg/L mol/L mmol/L Range-1999.9 to 1999.9 mV Calibration Fluid Range 0.01 to 17000 ppm Accuracy±1% F.S for Testing NH3 Ion

VTSYIQI Portable Ammonium Ion Meter NH4 Ion Concentration Tester with Standard Calibration Fluids LCD Display Accuracy ±0.5% F.S. Range from 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic Selectable Ion

VTSYIQI Portable Bacterial Turbidimeter Digital Bacterial Turbidity Meter with Turbidity BaSO4 Calibration Solution RS232 Interface 0 to 6 MCF Readout 0.001MCF Accuracy ±6%(±5% F.S) Repeatability ≤5%

VTSYIQI Portable Battery Internal Resistance Tester Meter with Internal Resistance 0.000mΩ~3.100 Ω Voltage 0.000V~±71.00V Bluetooth USB Interface for Rechargeable Lithium Battery Lead-Acid Battery Etc

VTSYIQI Portable Benzene Gas Detector C6H6 Gas Detector with Gas Pump Sampling Method Measuring Range 0-100ppm Resolution 1ppm L-Alarm 10ppm H-Alarm 20ppm 32-bit Built-in MCU Accuracy≦±5% F.S.