1、 Execution standards

JJG943-2011 "Total Suspended Particle Sampler"

HJ/T374-2007 Technical Requirements and Testing Methods for Total Suspended Particle Samplers

HJ691-2014 Guidelines for Sampling Techniques of Semi volatile Organic Compounds in Environmental Air

HJ77.2-2008 Determination of Dioxins in Environmental Air and Waste Gas Isotope Dilution High Resolution Gas Chromatography High Resolution Mass Spectrometry

Spectral Method

HJ 646-2013 "Determination of Polycyclic Aromatic Hydrocarbons in Air and Waste Gas Gas and Particulate Matter by Gas Chromatography Mass Spectrometry"

HJ 647-2013 "Determination of Polycyclic Aromatic Hydrocarbons in Gas and Particulate Matter of Environmental Air and Waste Gas by High Performance Liquid Chromatography"

HJ 900-2017 "Determination of Organochlorine Pesticides in Environmental Air by Gas Chromatography Mass Spectrometry"

HJ 901-2017 "Determination of Organochlorine Pesticides in Environmental Air by Gas Chromatography Method"

HJ 956-2018 "Determination of Benzo [a] pyrene in Environmental Air - High Performance Liquid Chromatography Method"

HJ 916-2017 Technical Specification for Environmental Dioxin Monitoring

2、 Product Usage

Used for collecting semi volatile organic compounds such as polycyclic aromatic hydrocarbons, organic pesticides, dioxins, polychlorinated biphenyls, etc. in ambient air

(SVOC) sample.

3、 Performance characteristics

1. Adopting imported wide temperature OLED display screen, the human-machine interface with good Chinese menu and vivid graphics eliminates the trouble of adjusting contrast, and can work in ultra-low temperature environment.

2. The flow control adopts high-precision imported sensors with good flow stability and high sampling accuracy. It automatically detects the sampling flow rate, automatically controls constant current sampling, and compensates for flow fluctuations caused by voltage and resistance changes.

3. Automatically record the cumulative flow rate and time during the sampling process, and convert the standard volume based on air pressure and temperature. Real time clock, with multiple sampling methods such as timed sampling, interval sampling, multiple sampling, and cyclic sampling.

4. Equipped with a rechargeable battery, it can store data during AC power outages, automatically restore sampling during AC incoming calls, deduct the power outage time during the sampling process, and allow users to query the power outage time.

5. Adopting imported fans with high load capacity and wide flow setting range, it can meet the requirements of high flow sampling. Long term continuous workHigh reliability, low noise, trouble free operation time greater than 20000 hours, long service life, able to operate at (-30-50) ℃Working in the environment.

6. Automatically save the last user set parameters, and use them automatically the next time the device is turned on, achieving one click sampling. Can store multiple groupsData, with a retention period of 10 years, convenient for users to query.

7. Overload automatic protection: During the sampling process, if the sampling flow rate is less than or greater than the set sampling flow rate, the instrument will automatically stopMachine protection, power outage protection function: During the sampling process, if there is a power outage, the sampling data can be automatically saved, and sampling can continue after a power call.

8. Users can calibrate the instrument through a waterproof keyboard, and maintenance requires password access to ensure the security of instrument dataIt can easily be modified incorrectly and provides the function of restoring factory settings.

9. The unique rainproof design is suitable for any environment, and the flip structure can be folded for easy transportation.

10. The whole machine adopts spray paint shell structure, anti-corrosion, anti-aging, suitable for long-term continuous use in the field.

11. Adopting a pull-out PUF cylinder sleeve, it is easy to operate and install.

4、 Technical indicators