Welcome to GRGTEST!
Service Hotline 400-602-0999
Your Industry Rail Transit Measurement and Calibration of Instruments
Measurement and Calibration of Instruments
We provide instruments measurement and calibration services for railway systems, subway corporations, rolling stock factories and component suppliers.
Service Introduction
The electrification, intelligence and high efficiency of high-speed railway and subway bring rail vehicles to our transportation. Travel safety is closely related to the safety and reliability of vehicles. According to the requirements of the national Metrology Law and Railway Metrology Management Measures, the improvement of measuring management and supervision can effectively ensure the accuracy and reliability of measuring instruments, so as to improve the travel safety of rail transit. 

Product Scope: 

Most of the instruments of rail transit are covered, such as electrical and electronic equipment, electronic devices for rolling stock, electrical equipment for rolling stock, railway signal products, communication signal products, various measuring instruments, measuring scales, detectors, templates, testing machines, torque meters, dynamometers, etc. 

Relevant Qualifications: 

CNAS、CMA

Test Cycle: 

5 working days, urgent services are available

Measurement Items (Part of Special Equipment for Railway): 

Equipment Name
120 and 104 valve test bench Rail straightness measuring instrument Wheel diameter measurer
Valve test bench for empty and loaded vehicles Railway offset scale Wheel diameter ruler
Centralized control air test bench and single car air testing machine Tread template Brake shoe testing template for railway vehicles
Air spring testing machine for train Inspection tools for product inspection Wheel inspection hatches for railway locomotives and vehicles (four inspectors)
Shock absorber testing machine Geometric parameters measuring instrument for catenary Internal gauge of railway wheel-set
Train tail air gauge The center distance rule for the axle journal of the passenger vehicle wheel-set Railway square ruler
Automatic wheel-set testing machine Fixed frog wear gauge Magnetoelectric velocity transducer
Automatic shaft diameter measuring machine Height measuring scale of rolling stock center coupler Locomotive speedometer
Rail breaker Gauge for rolling stock for standard gauge railway Special pressure gauge for rolling stock
Rail static bending machine Measuring tools for depot repair Rail temperature tester
Multi-point weighing machine for trains Radian template of wheel seat of vehicle axle Track circuit tester
Railway gauging rule Radian template rear shoulder of vehicle axle journal Cable fault tester
Wheel tread runout tester for vehicle wheel-set Wheel tread runout tester for vehicle wheel-set Frequency shift parameter tester
Rail wear measurer Measurer of wheel position difference and disk position difference of wheel-set On-line track insulation tester