... x 10-6CO - Error rate: (0-100) x 10-6 CO, not more than +/-(1.5+/-2.0% real level) >(100 ... -500) x 10-6 CO, not more than +/-4.0% real level >(500-1000) x ... 10-6 CO, not more than +/-10.0% real level- Response time: T ... degree: ExiaIICT3Weight: About 130gDimension: 100mm x 60mm x 32mm Portable CO Gas Detector