VTSYIQI Formaldehyde Gas Detector CH2O Leak Detector with Measuring Range 0-50ppm Resolution 0.01ppm Diffusion Sampling Method Sound & Light Alarm 4-20mA and RS485 Output Brightness Digital Tube Display

VTSYIQI Formaldehyde Gas Detector Portable CH2O Gas Detector with Measuring Range 0-10ppm Pump-Primed Sampling Display Error ≤±5% F.S. Sound, Light, Vibration, Display Alarm Built-in Pump

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

VTSYIQI Foundation Pile Dynamic Detector Reflected wave method Two channel

VTSYIQI Foundation Pile Monitor Project Pile Reflected Wave Method for Assess The Integrality of Concrete Pile and Identify Wireless

VTSYIQI Four Apertures Spectrocolorimeter Portable Spectrocolorimeter Used for Color Difference Quality Control with Φ8mm&Φ4mm Flat&Tip Wavelength Range 400-700nm Repeatability ΔE*ab 0.02 Inter-Instrument Error ΔE*ab 0.2

VTSYIQI Four Channel Water Activity Monitor Tester with Real-time Print Range 0 to 1.000aw Water Activity ±0.015aw High Precision Probe WSC-4 Measurement Points Range 0-0.980aw (No Condensing)

VTSYIQI Four Light Sources Transmittance Meter Optical Transmittance Meter with Illuminant UV Visible Light Infrared 940nm Infrared 1400nm Infrared Full Band SHGC and TSER for Transparent Materials Glass Film Etc

VTSYIQI Four Points Water Activity Meters Instrument with 4 Measurement Points Range 0 to 1.000aw Water Activity ±0.015aw Mini Printer Function Connect Computer National Qualified For Paste Dough Test

VTSYIQI Four Wire Earth Ground Resistance Tester Meter Soil Resistivity Tester with Two Three Four Wire Soil Resistivity 9000kΩm 2000ohm

VTSYIQI Four Wire Earth Soil Resistivity Tester Four-Wire Grounding Earth Voltage Resistance Meter with Resistance Range 0.01Ω～200KΩ Soil Resistivity 0.00Ωm～9999kΩm 500sets Data Storage

VTSYIQI Friability Test Tablets Friability Testers Tablet Friability Testing with Inner Diameter of Turntable Cylinder Φ286mm for Check The Friability and Other Physical Strengths of Uncoated Tablets