24 hours constant temperature constant air sampler - CMX 2020

CMX 2020-24 hours at constant temperature constant air sampler performance standards? HJ / T376-2007 "24 hours at constant temperature automatic continuous ambient air samplers technical requirements and test methods"? JJG956-2000 "air sampler test procedures" scope? environmental impact assessment, air quality monitoring, indoor monitor? poisonous gas gathering main features? Dual-hour sampling, dual daily sampling? real-time clock, time sampling, immediate sampling optional? integration of structural design, body small amount of light, easy to carry? online operation prompt, software calibration, password protection? sample data automatic memory, power-down protection, calls automatically resume sampling? Dual constant sampling orifice flow sensor, a direct calculation of sample size standard conditions? automatically save previous sampling setting parameters automatically using the next sampling