Patent ID: 8578754

Claim:
An adsorbed gas content measuring instrument comprising sealed cylinders, gas collecting graduated canisters and a test box, wherein: each sealed cylinder includes a cylinder body, a top cover fixedly connected with one end of the cylinder body, a bottom cover removably connected with the other end of the cylinder body and a valve port fixed on the top cover; each gas collecting graduated canister includes a sealed canister body, a seal with a drain hole and a vent hole, wherein the drain hole is provided with an adjustment valve, and the vent hole is equipped with a switching valve fit for the valve port of the sealed cylinder; a heating element, a temperature controller for monitoring the temperature inside the box and a top plate are fixed in the test box; there are several through holes with the outer diameter corresponding to the sealed cylinders and gas collecting graduated canisters on the top plate; the sealed cylinders and gas collecting graduated canisters are placed in the corresponding through holes; the heating element and the temperature controller are connected with a power interface outside the box.