Serial Number

Unit Name

Instrument name and model

Report No.

Instrument Principle

1

Detu Instrument International Trading (Shanghai) Co., Ltd.

testo350type flue gasSO2analyzer

quality (recognition) wordNo. 2018 - 003

constant potential electrolysis

2

Beijing Xuedilong Technology Co., Ltd.

Model 3080Portable Measuring Instrument for Sulfur Dioxide and Nitric Oxide in Flue Gas

quality (recognition) wordNo. 2018 - 256

non-dispersive infrared

3

HORIBA (CHINA) TRADING LIMITED

PG-350Portable Measuring Instrument for Sulfur Dioxide and Nitric Oxide in Flue Gas

quality (recognition) wordNo. 2019 - 065

non-dispersive infrared/chemiluminescence

4

Tianjin Guoyang Technology Development Co., Ltd.

GYPG-001portable measuring instrument for sulfur dioxide and nitrogen oxides in flue gas

quality (recognition) wordNo. 2019 - 084

UV Differential

5

Shenzhen National Technology Instrument Co., Ltd

EM-3088type flue gasSO2analyzer

quality (recognition) wordNo. 2020 - 008

constant potential electrolysis

6

Hangzhou Chunlai Technology Co., Ltd

EM-5Pportable measuring instrument for sulfur dioxide and nitrogen oxides in flue gas

quality (recognition) wordNo. 2020 - 009

UV Differential

7

Qingdao Laoying Environmental Technology Co., Ltd

should be3022type constant potential electrolysis flue gasSO2analyzer

quality (recognition) wordNo. 2020 - 161

constant potential electrolysis

8

Nanjing Essen Environmental Technology Co., Ltd.

PAS X6portable measuring instrument for sulfur dioxide and nitrogen oxides in flue gas

quality (recognition) wordNo. 2020 - 196

Non-dispersive UV/non-dispersive infrared

9

Qingdao Laoying Environmental Technology Co., Ltd

should be3023Portable Measuring Instrument for Sulfur Dioxide and Nitric Oxide in Flue Gas

quality (recognition) wordNo. 2020 - 199

UV Differential

10

Anhui Wanyi Technology Co., Ltd.

SG1500portable measuring instrument for sulfur dioxide and nitrogen oxides in flue gas

quality (recognition) wordNo. 2021 - 080

UV Differential

11

Qingdao Zhongrui Intelligent Instrument Co., Ltd.

ZR-3211portable measuring instrument for sulfur dioxide and nitrogen oxides in flue gas

quality (recognition) wordNo. 2021 - 143

UV Differential