Digital Spring Pressure Tester Spring Tension Testing Machine with Maximum Test Machine Load 30N Minimum Resolution 0.001N Store 99 Sets of Test Data Three Measurement Units(N/KG/Lb) Measurable Maximum Free Length of Spring 80mm

Laser Diameter Gauge One-axis Laser Diameter Gauge Meter Tester with Measuring Range 0.10-25.00mm Resolution 0.001mm Accuracy ±0.002mm Scanning Speed 600N/S

Portable pH Meters Portable pH and Temperature Meter with Calibration Liquids Range -2.000 to 20.000 pH Accuracy ±0.2 mV Stores Up to 500 Data Sets Setup Menu Contains 9 Options Manual/Auto-read Measurement Endpoint

Portable Water pH Analyzer Portable pH Gauge Tester with Calibration Liquids Range -2.00 to 20.00 pH Range -1999 to 1999 mV Calibration 1 to 3 points USB Communication Interface for Measure the pH Value of Sample Solution

VTSIQI Spring Tester Machine Spring Compression Testing Machine with Maximum Test Machine Load 20N/2KG/4.5Lb Minimum Resolution 0.001N/0.0001KG/0.0001Lb Maximum Free Length of Spring 80mm Indication error +/-1% for Test Extension and Compression Force

VTSQIYI Digital Voice Concrete Test Hammer Rebound Hammer with Ranges 10 to 60MPa Rebound Hammer Impact energy 2.207J NDT Testing Machine Non-contact Metal Reflection Grating Sensor

VTSQIYI Integrated Voice Digital Test Hammer with USB Communication Measuring Ranges 10 to 60MPa Rebound Hammer Impact Energy 2.207J High-Resolution LCD Screen

VTSYIIQI Portable Textile Hardness Meter Yarn Package Durometers with Indenter Ball 10mmΦ Display Range 0-100H Accuracy≤±1H Depth Of Indentation 0-2.5mm Test Pressure Approx. 12.5N for very Loosely Wound Bobbins of Thick Yarns

VTSYIQ Pentype Leeb Hardness Tester Metal Hardness Meter with DL Type Impact Device

VTSYIQI Digital Wall Mounted Water Ultrasonic Flow Meter Flowmeter With High Temperature Samll Transducer Pipe Size DN15mm to DN100mm Liquids Temperature 0 to 160 Degree

VTSYIQI CLO2 Gas Detector Chlorine Gas Alarm Monitor Analyzer CLO2 Gas Leak Detector with Measurement Range 0-50PPM Resolution 0.1ppm L-alarm 5 ppm H-alarm 10 ppm Installation Method Wall-mounted

VTSYIQI Concrete Rebound Hammer Tester Resiliometer Schmidt Hammer Test Meter Tool 10 to 60Mpa