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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: CTRI
  • Model Number: measuring head for ID
  • Power: Electronic
  • Usage: Auto Testing Machine
  • Stock: Customerized product
  • Manufacturer: Yes
  • Transportation: DHL/FEDEX/EMS/TNT/UPS etc
  • Application: internal/external grinding test
  • Service Area: bearing industry, grinding procss, find grinding
  • Warranty Policy: 1 year guranteed, after sale service available

Packaging & Delivery

Packaging Details CARTON



Product Description


 Electrical measuring amplifier is connected to different types of measuring heads produced by 

CTRI to achieve accuracy control and work piece positioning in the grinding process


Measuring Head for Inner Diameter 





Technical Parameter




General Technical Parameter for the whole set of In  Process Gauge 



(1) Gauge Electromagnetic tensor: 6-8mm per finger;

(2) Display Ranges: automatic switching of single meter 

(3) Fine Scale: -10~0~50μm,  lμm per  scale

(4) Rough Scale: 50~500μm, 10μm per scale 

(5) Display Deviation: Fine scale lμm, rough scale,10μm

(6) Signal Changes: 0.2μm/30 times

(7) Stability: 1μm/4h

(8) Control Signals: 5

(9) Contact Capability: 250VAC 5A; Analog signal 10mv/1μ(Adjustable 5~20mv/1μ )

(10) Input voltage 100V,220V, 200v, 110V ±20%V;  frequency50HZ



Product Overviews



(1)  convenient operation, switch buttons are used to control switch signals which can quickly and accurately adjust the trigger point.

(2) integrated circuit modular design, easy to install and debug, the smallest and  most powerful in process gauge;

(3) High accuracy and reliable stability; 

(4) Applicable in interrupted and smooth surface measuring;




(5) Compensation function even for component with 2μm grinding allowance; 

(6) In process gauge employs separated structure with large retraction and wider measuring ranges. All series of gauges are consisted of electronic amplifier and in process configuration. A complete set of gauges with different functions can be configured. 





On field Service


We have engineers ready for on field service including installment, commissioning, trouble shooting and checking consistance. 








After-Sales Service



1 years limited warranty  


If it is due to products quality, we will repair the products well without customers’ payment. 



             You are welcomed to visit our factory for further information and cooperation !




Long term cooperation with international express enterprises allows reasonable discount on Shipping Cost!




                                       Save your cost and Inquiry Now! 







Company Information


The in process measuring system (ZD series) produced by CTRI employs internationally advanced 

in-process measuring technology in combination with independent R & D. CTRI has over 30 years 

manufacturing experience in measuring products for in-process application. The

 in-process measuring gauges developed have been mainly applied in fine grinding of various spindles, bearing parts, inner hole of automobile gear, plain grinding and other processing fields.











1. Is CTRI a cutting tool manufacturer or a trading company?


CTRI is a cutting tool manufacturer since 1956 and is based in Chengdu, Sichuan Province, southwest of China.


2. To which countries is CTRI exporting?


We have many years of exporting experience with customers located in South America, European countries, Russia, Turkey, Iran, India, Indonesia, Thailand, Malaysia etc. We are exporting large varieties of products including carbide inserts, threading inserts (chasers), cermet bearing inserts, in process gauges, grinding wheels, clamping blocks, PCD/PCBN inserts etc.


3. I want to try your products, how do I proceed?


We can provide 2 pcs of samples for trial purpose. If you are not satisfied with the samples, we can provide different grade or different profile to re test if applicable.


Free samples available for trial


4. How do CTRI provide aftersale service, especially for special inserts or machines?


A: CTRI sent service engineer for on field maintenance and repair;


B:  CTRI sent sales and engineers for monthly and yearly customer visit and solve possible problems;


C:  Some products, customers are encouraged to search help from CTRI local dealers.



Get Quotation Here! 

Contact Person: Huiwen Jing 

Tel: 86-028-83242241   Fax: 86-028-83242075

Tel: 86-13550323396  86-15202848906

Skype: jing.huiwen

Whatsapp: +86-15202848906


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