Gjt 650mm Stone Mining Belt Metal Detector for Metal Tramps
Model NO.: GJT
For: Cross Conveyor Belt
Model Selection: Based on Conveyor Belt Width
Belt Width: 500mm-2000mm
Power: 40W-70W
Voltage: 220±10% 50Hz or 60Hz
Belt Speed: 0.8~2.5m/s
Detect: Iron/Aluminum/Copper/Stainless Steel/Manganese Steel
Weight: 50kg-480kg
Trademark: Shengyue
Transport Package: Packed in Wooden Box
Specification: As per Model
Origin: China, Shandong
HS Code: 84741000
Introduction:The GJT-B series metal detector is a cutting-edge product designed for detecting metallic contaminants in conveyor belt systems. It uses advanced digital phase-shifting and detection technologies to ensure high sensitivity and strong resistance to interference. This makes it ideal for use in industries such as thermal power, cement, paper, mining, forestry, environmental protection, and construction materials.
Working Principle:
When a metal object enters the electromagnetic field of the sensor, it generates changing signals that the metal detector can detect. These signals are processed electronically, and the system activates an electromagnet or motor switch to remove the harmful metal from the conveyor belt.
Timing Function: After activation, the electric relay will delay its release, with a time range of 1~10 seconds.
Output Control: One pair of the electric relay's contact points is open, while the other pair is closed.

Technical Parameters:
  Model No. |
Adaptive Belt Width (mm) |
Power (W) |
Belt Speed (m/s) |
Voltage (V) |
Sensitivity  |
Weight (kg) |
GJT-5B | 500 | 40 | 0.8~2.5 | 220±10% 50Hz |
All metallic materials larger than 15mm, including iron, aluminum, copper, stainless steel, manganese steel, chrome steel, etc. | 105 |
GJT-6B | 650 | 40 | 125 | |||
GJT-8B | 800 | 50 | 160 | |||
GJT-10B | 1000 | 50 | 190 | |||
GJT-12B | 1200 | 50 | 255 | |||
GJT-14B | 1400 | 60 | 290 | |||
GJT-16B | 1600 | 60 | 350 | |||
GJT-18B | 1800 | 65 | 430 | |||
GJT-20B | 2000 | 70 | 480 |

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