Model: CTG1/ CTG2 Description: CTG1/ CTG2 Decoupling Test Device Introduction: CTG1 is applied for the test --- decoupling test of falling protector in shaft hoisting system. Its a necessary device to test the safety brake of mining falling protector. CTG2 is applied for the test--- decoupling test of man car. Its a necessary device to test inclined shafts full speed strobe closing.