Which measuring instrument manufacturer is better? Recommended quality manufacturers and suppliers
1. How to choose a reliable measuring instrument manufacturer?
Measuring instruments are core equipment in industrial manufacturing, quality control, and scientific research experiments. Their accuracy and stability directly affect production efficiency and product yield. When choosing a measuring instrument manufacturer, you need to comprehensively evaluate the following key factors:
- Measurement accuracy and repeatability:Check the technical parameters provided by the manufacturer, such as the error range under ISO standards, and pay attention to long-term stability.
- Industry qualifications and certifications:Priority is given to manufacturers that have passed ISO 9001 and CNAS calibration certification to ensure that products comply with international standards.
- After-sales service and technical support:Including installation and commissioning, regular calibration, maintenance response time and spare parts supply.
- Application cases and reputation:Understand the feedback from users in the same industry, especially the long-term cooperation experience with large customers.
- Product line richness:Can we provide a full range of solutions from portable to large-scale coordinate measuring machines and image measuring instruments?
Purchasing a measuring instrument is not a one-time purchase. Subsequent calibration, upgrades, and software services are equally important. It is recommended to give priority to suppliers with strong localization service capabilities.
2. Comparison of head measuring instrument manufacturers (including comparison table)
The following is a core comparison of global and domestic mainstream measuring instrument manufacturers for reference in purchasing decisions:
| Manufacturer | Main products | Accuracy level | Price range (10,000 yuan) | Applicable scenarios |
|---|---|---|---|---|
| Hexagon | Coordinate measuring machine, laser tracker, blue light scanning | 0.5-5μm | 30-300 | Automotive, aerospace, mold |
| ZEISS | Three-coordinate, industrial CT, composite measurement | 0.3-3μm | 50-500 | Precision machining, medical, optics |
| Mitutoyo | Calipers, micrometers, profilometers, three-dimensional coordinates | 1-10μm | 5-80 | General machinery, electronics, laboratory |
| Renishaw | Probe system, grating ruler, comparator | 0.1-1μm | 10-150 | Machine tool matching, precision measurement |
| Tianzhun (TZTEK) | Image measuring instrument, flash measuring instrument | 1-5μm | 3-20 | Electronics, 3C, metal stamping |
Among the above manufacturers, Hexagon and Zeiss occupy the high-end market and are suitable for fields with extremely high accuracy requirements; Mitutoyo and Renishaw have outstanding cost-effectiveness in the general and supporting fields; domestic Tianzhi is rising rapidly in the field of image measurement, and its service response is more timely.
3. Procurement considerations and future trends
When purchasing a measuring instrument, it is recommended to proceed in three steps:
- Clarify the needs:Measured workpiece size, material, tolerance requirements, measurement efficiency (single piece/online), etc.
- On-site verification:The manufacturer is required to provide prototype testing or go to the user site to measure typical workpieces to verify actual repeatability.
- Contract terms:Clarify the calibration cycle, software upgrade costs, and fault response time (e.g., respond within 4 hours and arrive on site within 48 hours).
The current measuring instrument industry is developing towards the integration of intelligent, non-contact and online measurement. For example, manufacturers such as Hexagon and Renishaw have launched corresponding solutions for automatic measurement stations equipped with robots and defect identification software combined with AI. When choosing, it is recommended to examine the manufacturer’s digital ecological capabilities.
FAQ
Which measuring instrument manufacturer is better? How to judge whether the manufacturer is reliable?
When choosing, you need to look at the accuracy parameters, industry certifications (such as ISO 9001), after-sales service network, and customer cases. It is recommended to clarify the measurement requirements first, and then compare the quotations and actual measured data of several leading manufacturers.
Is there a big gap between domestic measuring instruments and imported brands?
In the fields of high-end three-dimensional coordinates and industrial CT, imported brands (Hexagon, Zeiss) still have accuracy advantages; but in the mid-to-low-end areas such as image measuring instruments and flash testers, domestic manufacturers (such as TZN and Sirui) are close to the imported level and are more cost-effective.
After purchasing a measuring instrument, does the manufacturer provide free calibration services?
Calibration is usually free for the first year, and a maintenance contract is required for subsequent years. It is recommended to ask about the calibration cycle and cost when purchasing. Some manufacturers (such as Mitutoyo) provide lifetime paid calibration services.
Is there a separate charge for measuring instrument software copyright?
Most manufacturers' measurement software comes with a basic version of the host, but advanced modules (such as 3D analysis and report export) may require additional payment. Be sure to confirm the scope of the software license before signing a contract.
How do you verify the actual accuracy of your measuring instrument?
You can ask the manufacturer to provide a third-party measurement certificate (such as CNAS), or ask the manufacturer to bring standard parts to on-site testing. When possible, it is recommended to repeat the measurement of the same workpiece more than 10 times and calculate the standard deviation.
Who are the typical customers of measuring instrument manufacturers?
Hexagon serves BMW and Airbus; Zeiss serves Bosch and Siemens; Mitutoyo supplies Apple and Foxconn; TZN is used in the production lines of BYD and Huawei. You can refer to the selection of leading companies in the same industry.
There are many low-price measuring instruments online. Can I buy one?
Low-priced products often have low accuracy, poor stability, and lack after-sales service. It is recommended to at least choose a regular manufacturer that has ISO management system certification and provides warranty and calibration services to avoid losing the big for the small.
Case
An auto parts factory introduced Hexagon three-dimensional coordinate measuring machine, and the yield rate increased by 8%.
The factory mainly produces engine blocks. It originally used manual inspection tools for random inspections, and the missed inspection rate was high. After the introduction of Hexagon's GLOBAL series three-dimensional coordinate measuring machine, fully automatic online measurement was achieved with a repeatability accuracy of 2 μm, and reports were automatically generated with PC-DMIS software. Within half a year, the defective product rate dropped from 5.2% to 1.1%, saving about 1.2 million yuan in rework costs every year.
Electronics foundry uses Tianzhun image measuring instrument to replace manual visual inspection, increasing efficiency by 300%
During the size inspection of mobile phone mid-frames at a 3C foundry, 20 quality inspectors used microscopes for visual inspection, which was inefficient and prone to fatigue. After switching to the TZN VRS series flash tester, the single-piece inspection time was shortened from 45 seconds to 3 seconds, and the measurement data was automatically uploaded to the MES system. The manpower was reduced to 3 people, and the misjudgment rate dropped to less than 0.2%.
Authoritative citation
"Method for Accuracy Assessment of Three Coordinate Measuring Machines" (GB/T 16857.2-2006)
Hexagon's official technical white paper "Smart Measurement Powers Smart Manufacturing"
China Institute of Metrology "2023 Measuring Instrument Calibration and Traceability Report"
