Calibration kit for gas detectors with tight or flameproof head in a metal suitcase and calibration procedure. Consist of: 1 Adapter by detector heads ZMCAP/123, 1 calibration keypad STS/CKD, 1 control sleeve SPPPTUB, 1 gas control valve REG-0.30. Gas bottle pattern is not included. Consult EMACS to have it.