Device for testing detection precision of environmental cabinet on detecting volatile organic substances

The utility model discloses a device for testing the detection precision of environmental cabinet on detecting volatile organic substances. The device comprises a volatile organic substance release chamber jacket, a volatile organic substance release chamber is arranged in the volatile organic substance release chamber jacket, a release source for releasing the volatile organic substances at a constant-speed is arranged in the volatile organic substance release chamber, an air outlet pipe communicated with a test chamber used for detecting the volatile organic substance environmental cabinet is mounted in the volatile organic substance release chamber, the air outlet pipe is provided with a first sampling mouth for sampling the volatile organic substances in the air outlet pipe, and a second sampling mouth is arranged on the volatile organic substance environmental cabinet and is used for sampling the organic substances in a voltage-regulating exhaust pipe. The volatile organic substance content in the sample