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Product information
product name: Sulfur dioxide transmitter
product brand: Skyeaglee
Product number: SK-600-SO2
Measurement object: Sulfur dioxide in the air
product description

Gas introduction:

Sulfur dioxide (chemical formula SO2) is the most common and simple sulfur oxide. One of the major air pollutants. This gas is emitted during volcanic eruption, and sulfur dioxide is also produced in many industrial processes. Because coal and petroleum usually contain sulfur, sulfur dioxide is formed during combustion. When sulfur dioxide is dissolved in water, sulfurous acid is formed. If sulfurous acid is further oxidized in the presence of PM2.5, sulfuric acid (the main component of acid rain) will be formed quickly and efficiently. This is one of the reasons for concern about the environmental effects of using these fuels as an energy source.


Product Features:

4-20mA、0-5V;数字信号:RS485、频率信号(频率范围可调)。 1. Signal output: optional analog signal 4-20mA, 0-5V; digital signal: RS485, frequency signal (frequency range adjustable).

-30~+50℃温度数字补偿、多级线性校正功能确保了仪器高精度。 2. High precision: -30 ~ + 50 ℃ temperature digital compensation and multi-level linear correction function ensure the high precision of the instrument.

一键 实现变送器在现场自由组态,如查看、设定、校准、报警点设置。 3. Infrared remote control: No need to open the cover to realize the free configuration of the transmitter in the field, such as viewing, setting, calibration, alarm point setting.

自我保护电路 ,外壳符合国家防爆要求。 4. Circuit case : self-protection circuit , the case meets the national explosion-proof requirements.

全自动自诊,实时监控设备情况, 远程对设备状态寄存器进行读取 5.Communication and self-diagnostic function: automatic self-diagnosis, real-time monitoring of equipment conditions, remote reading of equipment status registers ,

6. Installation and maintenance: Plug-and-play international standard intelligent sensor, very convenient on-site maintenance.

LED光报警。 7. Multi-level alarm: On-site two-level LED light alarm.

8. Relay output: external sound and light alarm or peripheral equipment such as driving exhaust.

9. Automatic protection function against high concentration gas impact

3 个按键实现,操作简单 10. Full software calibration function, users can also calibrate by themselves, with 3 keys, easy to operate

11. Cable entry for easy field installation

12. Independent air chamber structure, convenient sensor replacement


Technical Parameters:

: 电化学原理 Detection principle : electrochemical principle

(更多量程请电话咨询) Detection range: 0-1; 10; 20; 50; 100; 200; 500; 1000; 2000PPM (please contact us for more ranges)

根据量程和传感器而定 ) Resolution: 0.01; 0.1; 1PPM ( depending on range and sensor )

湿 度: 温度检测范围: -40 Temperature and humidity : temperature detection range: -40   95%RH ,无冷凝 60 ℃, humidity detection range: ≤ 95% RH , non-condensing

± 1% 外壳材质: 铝合金 Working voltage: 5V ± 1% Shell material: aluminum alloy

3% 线性误差: ≤± 1% Detection accuracy: ≤ ± 3% linear error: ≤ ± 1%

20 秒( T90 零点漂移: ≤± 1% FS/ 年) Response time: ≤ 20 seconds ( T90 ) Zero drift: ≤ ± 1% ( FS / year)

20 Recovery time: ≤ 20 seconds   complex   ≤± 1% Property: ≤ ± 1%

4-20mA 信号:标准的 16 位精度 4-20mA 输出芯片,传输距离 1Km Signal output: ① 4-20mA signal: standard 16 -bit precision 4-20mA output chip, transmission distance 1Km

RS485 信号:采用标准 MODBUS RTU 协议,传输距离 2Km RS485 signal: using standard MODBUS RTU protocol, transmission distance 2Km

  0.4-2V 0-5V 输出,可自行设置 Voltage signal: 0.4-2V or 0-5V output, can be set by yourself  

  2 组继电器,可选第三组继电器,继电器无源触点,容量 220VAC 3A/24VDC 3A Digital signal: Standard 2 groups of relays, optional third group of relays, passive contacts of the relay, capacity 220VAC 3A / 24VDC 3A

× 143 × 107mm(L × W × H 1.5Kg( 仪器净重 ) Dimensional weight: 183 × 143 × 107mm (L × W × H ) 1.5Kg ( net weight of the instrument )

12 30VDC ) Working power: 24VDC ( 12 30VDC )

Protection class: IP65

Explosion-proof grade: ExdII CT6

12 30VDC ) Working power: 24VDC ( 12 30VDC )


Range selection:

       In the atmosphere, sulfur dioxide will oxidize into sulfuric acid mist or sulfate aerosol, which is an important precursor of environmental acidification. 0.5ppm 以上对人体已有潜在影响;在 1~3ppm 时多数人开始感到刺激;在 400~500ppm 时人会出现溃疡和肺水肿直至窒息死亡。 The concentration of sulfur dioxide in the atmosphere above 0.5 ppm has potential effects on the human body; most people begin to feel irritation at 1 to 3 ppm ; at 400 to 500 ppm , people will develop ulcers and pulmonary edema until they die of suffocation. Sulfur dioxide has a synergistic effect with soot in the atmosphere. 0.21ppm ,烟尘浓度大于 0.3mg/L ,可使呼吸道疾病发病率增高,慢性病患者的病情迅速恶化。 When the concentration of sulfur dioxide in the atmosphere is 0.21 ppm and the concentration of soot is greater than 0.3 mg / L , the incidence of respiratory diseases can be increased, and the condition of patients with chronic diseases can rapidly deteriorate. Smoke events such as the London Smoke Event, the Mas River Valley Incident, and Donora are all the harm caused by this synergy.


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