英国CITY二氧化硫传感器 4SREV.2气体检测模块
更新时间:2023-09-07 01:36:02 阅读量: 教育文库 文档下载
4S Rev. 2 CiTiceL
4S Rev. 2 CiTiceL®
Sulfur Dioxide (SO2) Gas Sensor
Part Number: 2112B2015R
Patent : US7794779
Key Features & Benefits:
MEASUREMENT
Operating Principle 3-electrode electrochemical Measurement Range0-20 ppm SO2Maximum Overload150 ppm SO2
FilterTo remove H2S
Filter Capacity1000 ppm hrs @ 25 ppm H2S
Sensitivity 0.5 ± 0.1 µA/ppm
Response Time (T90)< 25 Seconds at 20OC
Baseline Offset (clean air)-0.2 to +0.5 ppm equivalent Zero Shift (+20°C to +40°C)< 0.1 ppm equivalent
Repeatability < ±2% of signal
LinearityLinear over measurement
range 0-20 ppm and within ±5%ELECTRICAL
Recommended Load Resistor10
Bias VoltageNot required
ResolutionDependent on electronics.
(0.1 ppm when using
recommended electronics)
Housing Material Noryl 110
Weight Approx. 4.5 gOrientationAny
ENVIRONMENTAL
Typical ApplicationsPortable life safety
Operating Temperature Range:
Continuous-20°C to +50°CIntermittent-40°C to +55°C
Industry leading reliability
Improved performance variability
Lifetime will be reduced if regularly exposed to extremes of temperature
Recommended Storage Temp0 - 20°C Operating Pressure Range1 atm ± 20%
Operating Humidity Range15% to 90%RH non-condensing.
Extended exposure to extreme humidity conditions will degrade sensor performance.
All dimensions in mm All tolerances ±0.15 mm unless otherwise stated
INTRINSIC SAFETY DATA
Maximum current at 150 ppm0.1 mA
Maximum o/c Voltage< 0.75 VMaximum s/c Current< 1.0 A
LIFETIME
Long Term Output Drift< 10% per annumExpected Operating Life2 years in clean air
Storage Life6 months in original packaging
Standard Warranty12 months from date of despatch
IMPORTANT NOTE: All performance data is based on conditions at 20°C, 50%RH and 1 atm, using City Technology recommended circuitry. For sensor performance data under other conditions, please contact City Technology Ltd.
深圳市深国安电子科技有限公司
地址:广东省深圳市龙华新区牛栏前大厦C507
蒋小姐:134 2876 2631 电话:86 755-85258900
网址:www.singoan.com www.singoan.com.cn www.shenguoan.com
4S Rev. 2 CiTiceL
网址:www.singoan.com www.singoan.com.cn www.shenguoan.com
4S Rev. 2 CiTiceL
CiTiceLs are designed for operation in a wide range of environments and harsh conditions. However, it is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments, and operation.
When using sensors with printed circuit boards (PCBs), degreasing agents should be used before the sensor is fitted. Do not glue directly on or near the CiTiceL as the solvent may cause crazing of the plastic.
Whilst CiTiceLs are designed to be highly specific to the gas they are intended to measure, they will still respond to some degree to various gases. The table below is not exclusive and other gases not included in the table may still cause a sensor to react.
Gas
Carbon Monoxide Nitric OxideNitrogen DioxideHydrogen SulfideChlorineAmmonia
HydrogenHydrogen CyanideAcetyleneEthene
FormulaCONONO2H2SCl2NH3H2HCNC2H2C2H4
Concentration Used (ppm)
30050625520400101050
Reading (ppm SO2)
<10 - 5<-10<0.1<-20<1<5<30<45
Note: The figures in this table are typical values and should not be used as a basis for cross calibration. Cross sensitivities may not be linear and should not be scaled. All data based on a 5 minute gassing. For some cross interferents break through will occur if gas is applied for a longer time period.
The cross-sensitivity values quoted are based on tests conducted on a small number of sensors. They are intended to indicate sensor response to gases other than the target gas. Sensors may behave differently with changes in ambient conditions and any batch may show significant variation from the values quoted.
SAFETY NOTE
This sensor is designed to be used in safety critical applications. To ensure that the sensor and/or instrument in which it is used, are operating properly, it is a requirement that the function of the device is confirmed by exposure to target gas (bump check) before each use of the sensor and/or instrument. Failure to carry out such tests may jeopardize the safety of people and property.
Every effort has been made to ensure the accuracy of this document at the time of printing. In accordance with the company’s policy of continued product
improvement City Technology Limited reserves the right to make product changes without notice. No liability is accepted for any consequential losses, injury or damage resulting from the use of this document or from any omissions or errors herein. The data is given for guidance only. It does not constitute a specification or an offer for sale. The products are always subject to a programme of improvement and testing which may result in some changes in the characteristics
quoted. As the products may be used by the client in circumstances beyond the knowledge and control of City Technology Limited, we cannot give any warranty as to the relevance of these particulars to an application. It is the clients’ responsibility to carry out the necessary tests to determine the usefulness of the products and to ensure their safety of operation in a particular application.
Performance characteristics on this data sheet outline the performance of newly supplied sensors. Output signal can drift below the lower limit over time.
深圳市深国安电子科技有限公司
地址:广东省深圳市龙华新区牛栏前大厦C507
蒋小姐:134 2876 2631 电话:86 755-85258900
网址:www.singoan.com www.singoan.com.cn www.shenguoan.com
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