Industry standards

Vocs monitoring object

integrated emission standard of air pollutants

GB/16927-1996

Benzene, toluene, xylene, phenols, formaldehyde, acetaldehyde, acrylonitrile, methanol, aniline, chlorobenzene, nitrobenzene, vinyl chloride, non methane total hydrocarbons

Emission Standards for Volatile Organic Compounds in Surface Coating (Automotive Manufacturing Industry)

DB32/2862-2016

Benzene, toluene, xylene, benzene derivatives TVOCs

Technical requirements and detection methods for continuous monitoring system of non methane total hydrocarbons in fixed pollution source exhaust gas

HJ/1013-2018

Non methane total hydrocarbons

Technical requirements and detection scheme for continuous monitoring system of volatile organic compounds in ambient air by gas chromatography

HJ/1010-2018

Volatile Organic Compounds

Indoor decoration materials - Formaldehyde emission limit in artificial boards and their products

GB 18580-2017

formaldehyde

Test methods for physical and chemical properties of artificial boards and decorative artificial boards

GB/T 17657-2013

formaldehyde

Sampling and determination methods for volatile organic compounds and aldehydes and ketones in vehicles

HJ/T

400-2007

Organic compounds, acid ketones

Technical requirements and detection methods for portable detectors of total hydrocarbons, methane and non methane total hydrocarbons in ambient air and exhaust gas

HJ/

1012-2018

Total hydrocarbons, methane, non methane total hydrocarbons

project

HJ1013-2018 Technical Requirements and Testing Methods for Continuous Monitoring System of Non Methane Total Hydrocarbons in Fixed Pollution Source Waste Gas

HJ1012-2018 Technical Requirements and Testing Methods for Portable Monitoring Instruments for Total Hydrocarbons, Methane, and Non Methane in Environmental Air and Waste Gas

HJ1010-2018 Technical Requirements and Detection Methods for Continuous Monitoring System of Volatile Organic Compounds in Environmental Air by Gas Chromatography

Fixed pollution source exhaust gas NMHC-CEMS laboratory testing project

Fixed pollution source exhaust gas NMHC-CEMS on-site testing project

Type I instrument

Type II instrument

/

Analysis cycle (system analysis cycle)

≤2 min

≤3min

≤2 min

/

Instrument detection limit (system detection limit)

≤0.8 mg/m3

/

≤0.13 μmol/mol

≤1.49μmol/mol

≤0.1 nmol/mol

Repeatability (relative standard deviation)

≤2%

/

≤ 2.0% (methane)

/

linearity error

±2%F.S.

/

Not exceeding ± 2.0% F.S. (methane)

/

24-hour drift

±3%F.S.

Not exceeding ± 3% F.S

/

Not exceeding ± 1nmol/mol

The impact of environmental temperature changes

±5%F.S.

/

Not exceeding ± 5.0% F.S

/

The impact of changes in injection flow rate

±2%F.S.

/

/

Not exceeding ± 2.0% F.S

/

The impact of changes in power supply voltage

±2%F.S.

/

The variation of power supply voltage is ± 10%, and the variation of all measured components of the instrument shall not exceed ± 2.0% F.S.

/

The influence of oxygen

±2%F.S.

/

Not exceeding ± 5.0% F.S

/

Conversion efficiency

Not less than 95%

/

≥95%

/

parallelism

Not exceeding 5%

/

≤5.0%

≤20%

control mode

Embedded industrial control computer

Drift/repeatability

±1%~±5%

Sample gas flow rate

50ml/min

Sample gas pressure

0.1MPa

Sample gas interface

1/4 "Swagelok SS

Carrier gas type

N2/H2/Ar/He

Carrier gas interface

1/8 "Swagelok SS

carrier gas flow

150ml/min

Carrier gas pressure

0.4 MPa

Display

LED

Power supply

AC220V，50~60Hz

Power

400W

Weight

20Kg

Size

Standard 5U rack mounted chassis

482mm（W）×222mm（H）×400mm（D）

Flow control of carrier gas and sample gas

Electronic monitoring

communication interface

RS-232/485

Communication protocol

modbus