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GT-2+ Rail Ultrasonic Flaw Detector
Detail Information
Overview
The GT-2+ Rail Ultrasonic Flaw Detector is a next-generation upgrade of the proven GT-2 platform. Fully compliant with TB/T 2340-2012 ("Ultrasonic Flaw Detectors for Rails"), it delivers high-accuracy, real-time defect detection for rails ranging from 43 kg/m to 75 kg/m—making it ideal for mainline, heavy-haul, and urban rail networks worldwide.
Basic Parameters
⚪ Multi-Channel Intelligence
🔹 9 standard detection channels + 2 dedicated verification channels
🔹 Independent gain control per channel for optimal sensitivity
⚪ Advanced Visualization
🔹 Supports A-scan, B-scan, and A/B dual-display modes
🔹 Real-time waveform rendering with flaw location (horizontal distance) and depth
⚪ Smart Alarming System
🔹 Multiple alarm types: gate-based, dual-channel coincidence, speed-triggered, and coupling-loss alerts
🔹 Audible + visual warnings with on-screen echo display for rapid decision-making
⚪ Rail-Adaptive Calibration
🔹 Auto-calibrates for 43 / 50 / 60 / 75 kg/m rails
🔹 Adjustable probe parameters (front edge, gate position, width) via intuitive software
⚪ Field-Ready Performance
🔹 12 V DC lithium-ion battery pack – lightweight and rechargeable
🔹 ≥8 hours continuous operation
🔹 Total system weight: 27 kg (including trolley, main unit, battery & charger)
⚪ Proven Detection Capability
🔹 Detects standard artificial defects in WGT-3 test block using 0°, 37°, and 70° probes
🔹 Sensitivity margin ≥ 40 dB across all probe types
🔹 Dynamic range ≥ 68 dB at max gain
Applications
⚪ Mainline railway maintenance
⚪ Metro and light rail inspection
⚪ Heavy-haul freight corridors
⚪ Rail manufacturing quality control
Frequently Asked Questions
What is this product used for?
The GT-2+ rail ultrasonic flaw detector inspects rail welds and rail heads for internal defects, in a portable 27 kg unit with eight hours of runtime per battery pack.
What are the key specifications?
Key specifications: Weight 27 kg; Continuous Runtime 8 h; Power Supply 12 V DC (Lithium-ion Battery Pack).
How many channels does the GT-2+ run?
Nine inspection channels plus two verification channels, with independent gain per channel and A-scan, B-scan or combined display.
How are measurement records kept for audit?
Each reading is stored with date, location and rail section, and exports to PDF or Excel so acceptance records can be filed per job.
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