VTSYIQI Concrete Floor Slab Thickness Gauge Floor Slab Thickness Tester with Test Scope 40mm-800mm Permissible Error 40 ～ 600 mm ±1 mm 601～ 800 mm ±2 mm for Nonmetallic Board Thickness Testing Such As Concrete Rock, Glass etc

VTSYIQI Floor Slab Thickness Gauge Floor Slab Thickness Meter for Measuring Concrete Slab Thickness Without Drilling with Test Scope 40mm-800mm Permissible Error 40 ～ 600 mm ±1 mm 601～ 800 mm ±2 mm Data Storage Function

VTSYIQI Floor Slab Thickness Meter Floor Slab Rock Glass Thickness Gauge with Test Scope 40mm-800mm Data Storage Function Permissible Error 40 ～ 600 mm ±1 mm 601～ 800 mm ±2 mm for Measuring Concrete Slab Thickness Without Drilling

VTSYIQI Digital Metal Concrete Floor Slab Thickness Detector Gauge with Thickness Measurement Range 40mm ~ 1000mm Test Accuracy (mm) 40 ~ 400 ±1; 401～800 ±2; 801 ~ 1000 ±3 Data Storage Function Data Transmission Mode USB

VTSYIQI Concrete Floor Slab Thickness Meter Slab Thickness Gauge with Thickness Measurement Range 40mm ~ 1000mm Data Storage Function Data Transmission Mode USB Test Accuracy 40 ~ 400 ±1mm; 401～800 ±2mm; 801 ~ 1000 ±3 mm

VTSYIQI Floor Slab Thickness Gauge Meter Concrete Floor Thickness Meter with Thickness Measurement Range 40mm ~ 1000mm Data Storage Function Data Transmission Mode USB for Measuring The Thickness of Nonmetallic Plate

VTSYIQI Floor Slab Thickness Gauge Meter for Measure The Nonmetallic Plate Thickness（e.g Concrete, Rock and Glass Plate etc.）with Test Accuracy (mm) 40 ~ 400 ±1; 401～800 ±2; 801 ~ 1000 ±3 Thickness Measurement Range 40mm ~ 1000mm

VTSYIQI Floor Slab Thickness Meter Concrete Floor Slab Thickness Detector with Thickness Measurement Range 40mm ~ 1000mm Data Storage Function for Measure The Nonmetallic Plate Thickness（e.g Concrete, Rock and Glass Plate etc.）

VTSYIQI Floor Slab Thickness Gauge Concrete Floor Slab Thickness Meter with Thickness Measurement Range 40mm ~ 1000mm Test Accuracy (mm) 40 ~ 400 ±1; 401～800 ±2; 801 ~ 1000 ±3 for Measuring The Thickness of Nonmetallic Plate 

VTSYIQI Concrete Floor Slab Thickness Gauge Floor Slab Thickness Tester with Thickness Measurement Range 10~1000mm Data Storage Function USB Interface for Measuring the Thickness Of Non-Metallic Plates(Such As Concrete,Rock,Glass,Etc)

VTSYIQI Floor Slab Thickness Gauge Meter Nonmetallic Material Thickness Gauge for Wall Beam Pillar Lumber Ceramic