ASCO INSTRUMENTS is a french manufacter of Gas Analysers, Iecex/ATEX Pressure Sensors and Breathable Air Analysers. Based out of 2 PLACE DES 10 TOISES, 78117 CHATEAUFORT, France. Yvelines, Ile-de-France, France - Tél+33 1.39.56.76.40 ASCO INSTRUMENTS machines and sensors are made for : - GAS INDUSTRIES - CHEMICAL INDUSTRIES - NUCLEAR POWER PLANTS - LABORATORIES - SHIPS - TEST BENCHES EQUIPMENTS - CAR FACTORIES - AEROSPACE INDUSTRIES - AIR BREATHABLE SKIDS Our company is ISO9001 and IECex/ATEX certified.