Shenzhen Tian Su计量检测股份有限公司 — Qingyuan Instrument Calibration, Nationwide On-Site Calibration and Testing Services
An integrated independent third-party metrology testing institution that offers services including instrument calibration and testing, and certification. Established in 2009, we currently have 20 CNAS metrology testing laboratories across the country.
Project scopes include: geometric quantities, length, thermodynamics, mechanics, acoustics, electromagnetism, radio, chemistry, architecture and transportation, electricity, chemical industry, railroads, etc., with over 1500+ items.
Inspection items include: electrical safety tools, alkaline batteries, household and similar appliances, audio/video equipment, information and communication technology devices, etc.
Currently, our laboratories are located across the country, including Shenzhen, Guangdong (headquarters), Kunshan, Jiangsu, Taiyuan, Shanxi, Jiangbei, Chongqing, Jinan, Shandong, Changsha, Hunan, Tianjin, Kunming, Yunnan, Xi'an, Shaanxi, Nanchang, Jiangxi, Chengdu, Sichuan, Nanning, Guangxi, Urumqi, Xinjiang, Hangzhou, Zhejiang, Haikou, Hainan, Shenyang, Liaoning, Guiyang, Guizhou, Wuhan, Hubei, and Zhengzhou, Henan.
Common instruments requiring calibration and measurement include:
Universal Calipers, Height Calipers, Indicators, Lever Gauges, Depth Gauges, Inside Diameter Gauges, Large Range Dial Indicators, Micrometers, Inside Micrometers, Thickness Gauges, Gage Blocks, Blade Ruler, Plates, Protractors, Measuring Microscopes, Coordinate Measuring Machines, Tool Microscopes, Projectors, Indicator Calibration Pins, Length Measuring Machines, Length Gauges, Spring Check Gauges, Coating Thickness Meters, Paste Thickness Meters, Digital Height Gauges, Steel Rulers, Wooden Rulers, Plastic Rulers, Flexible Circumference Rulers, Steel Measuring Tapes, Fiber Measuring Tapes, Measuring Ropes, Welding Inspection Rulers, Triangle Rulers, Paint Film Thickness Gauges, Construction Quality Testers, Measuring Tapes, X-ray Fluorescence Thickness Meters, Rulers, Compaction Meters, Cubes, Boring Bars, Thread Gauges, Image Measuring Instruments (2D), Metallographic Microscopes, Skin Measuring Machines, Biological Microscopes, Needle Gauge, Sand Filling Tubes, Combination Protractors, Mechanical Comparators, Spring Comparators, Inductive Micrometers, Sine Bars, Crystal Growers, Laser Diameter Meters, Levels, Water Levels, Electronic Levels, Level Gauges, Optical Theodolites, Self-leveling Theodolites, Thermometers, Temperature Scanners, Soldering Iron Thermometers, Temperature Sensors, Temperature Converters, Temperature Indicating Regulators, Temperature Indicating Controllers, Online Temperature Instruments, Incubators, Dryers, Curing Boxes, Ovens, Fridges, Aging Boxes, Rapid Boilers, Salt Spray Test Chambers, Variable Temperature Test Chambers, High and Low Temperature Shock Test Machines, Climate (Environmental) Test Machines, Wet and Dry Test Machines, Sterilizers, Water Bath Equipment, Disintegration Instruments, Dissolution Instruments, Digestion Furnaces, Resistance (Muffle) Furnaces, Heat Treatment, Hot Wire Test Instruments, Insulation Resistance Testers, Leakage Current Testers, Resistance Bridges, LR Bridges, Multimeters, AC/DC Voltage and Current Meters, Various Clamp Meters, Electrical Parameter Testers, Radio Frequency Comprehensive Testers, Mobile Phone Comprehensive Testers, Digital Signal Generators, TV Signal Generators, Jitter Meters, RF (Microwave) Signal Generators, Frequency Synthesizers, Spectrum Analyzers, Network Analyzers, Various Microwave Devices, Comprehensive Parameter Testers, Audio Analyzers, Telephone Analyzers, Incoming Call Display Testers, Distortion Meters, Ophthalmometers, Focal Power Meters, Optical Time Domain Reflectometers, Luminance Meters, etc.
Calibration Cycle: Once the quotation contract is finalized, the specific factory time must be confirmed within one week! We will take the inspection equipment with us for testing, and then return it to your company via vehicle dispatch or mail. The inspection equipment testing will be completed within 3-5 working days! The certificate will be ready within 3-5 working days!




































