www.久久99_毛片免费视频_一区二区三区在线看_久久中文字幕一区二区三区_黄色免费在线播放_国产剧情精品一区

400 086 1088

CN

Gas transmitter - ADOS LCTR 903

The gas transmitter ADOS GTR 196 is suitable for continuous measurement of gases in normal areas and areas where there is a risk of explosion.
By employing 5 different types of sensor, noxious, explosive and non-combustible gases and vapours can be measured.
A current signal is generated that is proportional to the measured concentration of gas, which is transmitted to an evaluation unit placed in a safe area, away from any dangers of explosion.
The type test of the explosion-protected gas transmitter, is completed by the KEMA.

TGS sensor

The TGS sensor contains a semiconductor sensor, which is constructed on SnO2-sintered N-substrate. When combustible or reducing gases are absorbed by the surface of the sensor, the concentration of the test gas is determined by the change in conductivity.

VQ sensor

The head of the VQ sensor functions on the principle of heat reaction. When combustible or reducing gases or vapours come in contact with the measuring element, they are subjected to catalytic combustion, which causes a rise in temperature; this rise causes a change in the resistance of the measuring element which is used as a measure of the component of gas being tested.

The inert element is for compensating the temperature and conductivity of the test gas.

GOW sensor

The GOW sensor functions on the principle of thermal conductivity. Two rhenium-tungsten resistors are used as a measuring element, where the comparison element is subjected to normal ambient air and the measuring element is subjected to the test gas. Any change in the concentration of gas at the measurement element causes a change in temperature, which is due to the variation of conductivity.

The resultant change in resistance is a direct measure of the gas concentration.


TOX sensor

The TOX sensor is a measurement system with an electro-chemical cell, where the sampled gas is measured by diffusion. In the case of oxygen measurement the oxygen content is reduced in an electrolyte, thus producing a small flow of current (electro-chemical process). At a constant air pressure, this current is directly proportional to the oxygen concentration in the sampled air.

The IR sensor

The test gas flows through a measurement chamber that incorporates an IR radiating source and a two-channel infrared detector. The intensity of the infrared radiation is reduced as it passes through the gas molecules. The concentration of the gas can then be calculated by the magnitude of the reduction in intensity. Since only absorption of the wavelength (A) specific to the gas under test in relation to the wavelength (B) not absorbed by a test gas is considered, interference due to dust, ageing etc., is almost fully compensated.

Feature
  • Chemical industry

  • Manufacture of paints and varnishes

  • Plastics processing plants

  • Sewage works

  • Gas-fired boiler systems

  • Liquid gas storage houses

  • Laboratories

  • Oxygen concentration measurements

  • Refineries

  • Cold storage houses (Ammonia monitoring)

  • Paint spraying booths

  • and many more.

TypeTGSVQGOW
Measurement methodSemiconductorHeat reductionThermal conductivity
Measurement range

ppm ranges to 100 % LEL

ppm ranges to 100 % LEL

from 0-5 Vol % to 0-100 Vol %

Percentage error of f.s.d.±5 %±3 %±5 %
Temperature range-25 °C to +55 °C-25 °C to +55 °C-25 °C to +55 °C
Temperature effect3 %2 %3 %
Response time (t90)approx. 55 sec.approx. 40 sec.approx. 55 sec.
Pressure effect (atm.)1 %1 %1 %
Mounting positionoptionaloptionaloptional
ApplicationPoisonous, combustible and explosive gases in the LEL regionPoisonous, combustible and explosive gases in the LEL regionGases exhibiting substantial differences in thermal conductivity, compared to air
Versions availableindustrial (Al), industrial (VA)- and Ex-versionindustrial (Al), industrial (VA)- and Ex-versionindustrial (Al), industrial (VA)- and Ex-version
Service life of the sensorunlimited, when used for gases not causing catalytic poisoningunlimited, when used for gases not causing catalytic poisoningunlimited, when used with gases that do not attack aluminium, rhenium-tungsten or gold
Supply voltage15 – 30 V15 – 30 V15 – 30 V
Interfaces3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s

3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s

3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s
Protection

II 2 G

Ex demb [ia] IIC T

II 2 G

Ex demb [ia] IIC T6

II 2 G

Ex demb [ia] IIC T6

Ex-Version

KEMA 03 ATEX 2403 X

KEMA 03 ATEX 2403 XKEMA 03 ATEX 2403 X
Protection classIP 54IP 54IP 54

Dimensions
(W x H x D)

150 x 170 x 105 mm150 x 170 x 105 mm150 x 170 x 105 mm
Weight2,7 kg2,7 kg2,7 kg


TypeTOXIRPID
Measurement methodElectro-chemical cellInfraredPhoto-Ionisation
Measurement range

ppm ranges to 100 LEL %

0–100 % LEL CH4, C3H8, C2H2,

0–100 Vol % CH4

0–1, 2, 3, 4, 5 Vol % CO2

0 – 200 ppm to

0 – 2.000 ppm

Percentage error of f.s.d.± 3%± 2 %± 5 %
Temperature range-25 °C to +55 °C-25 °C to +55 °C-25 °C to +55 °C
Temperature effect2 %2 %3 %
Response time (t90)approx. 60 sec.approx. 45 sec.approx. 120 sec.
Pressure effect (atm.)1 %4 %1 %
Mounting positionoptionaloptionaloptional
Application

O2, CO, NH3, NO2,SO2, H2S a.o.

CH4 (Vol %; LEL) Propane (LEL) CO2 (Vol %)e.g. C7H8, C8H10 CHCl3, PH3
Versions available

industrial (Al),industrial (VA)- and Ex-version

industrial (Al),industrial (VA)- and Ex-versionindustrial (Al),industrial (VA)- and Ex-version
Service life of the sensor12 months to 5 years depending on the measuring cellapprox. 5 years12 monthss
Supply voltage15 – 30 V15 – 30 V15 – 30 V
Interfaces3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s3-wire techniques 4-20 mA or LON? 4-wire techniques, galvanically isolated, data transfer 78 kB/s
Protection

II 2 G

Ex demb [ia] IIC T

II 2 G

Ex demb [ia] IIC T6

II 2 G

Ex demb [ia] IIC T6

Ex-Version

KEMA 03 

ATEX 2403 

KEMA 03 

ATEX 2403 X

KEMA 03 

ATEX 2403 X

Protection classIP 54IP 54IP 54
Dimensions (WxHxD)100 x 180 x 80 mm100 x 180 x 80 mm100 x 180 x 80 mm
Weight1,1 kg1,1 kg1,1 kg


Gas transmitter
Contact Us

400 086 1088

info@onuee.com

18925249909

OTHER RELATED

ONUEE / ONWARDS(HK) Ltd. All rights reserved  ?2004-  備案號粵ICP備09176163號

主站蜘蛛池模板: 国产精品女同一区二区久久夜 | 特级淫片女子高清视频在线观看 | 中文在线一区二区 | 欧美日视频| 欧美一区二区三区男人的天堂 | 中文av网站| 超黄视频在线观看 | 中文字幕亚洲一区二区三区 | 91在线免费视频 | 亚洲资源在线 | 免费黄色片一区二区 | 色橹橹欧美在线观看视频高清 | 可以免费看黄的网站 | 高清视频一区 | 欧美视频在线免费看 | 在线天堂av| 日韩精品免费观看 | 九九热精品免费视频 | av网站推荐| 国产综合视频在线观看 | 91视频入口 | 国产精品成av人在线视午夜片 | 伊人免费视频二 | 国产亚洲成av人片在线观看桃 | 永久免费精品视频 | 日韩在线成人av | 在线观看成人小视频 | 免费看的毛片 | 天天操操 | 国产黄色播放 | 精品日韩在线 | 在线播放国产精品 | 综合久久综合久久 | 婷婷丁香六月天 | 欧美不卡一区二区三区 | 久久久免费精品 | 亚洲综合大片69999 | 久久精品在线 | 国产一级中文字幕 | 亚洲人成在线播放 | 一级二级黄色大片 |