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  • Beijing Zetron Technology Co., Ltd
    Dora
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Sylvia
    Good gas leak detection instrument !!! High accurate test values :D
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100 Ppm Zetron Sulfur Dioxide Sensor SO2 Sensor 4-Electrode SO2-B4 Lightweight

  • 100 Ppm Zetron Sulfur Dioxide Sensor SO2 Sensor 4-Electrode SO2-B4 Lightweight
Place of Origin UK
Brand Name Alphasense
Certification CE
Model Number SO2 Sensor
Minimum Order Quantity 1
Payment Terms L/C, D/A, D/P, T/T

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Product Details
Sensitivity 275 To 475 NA/ppm At 2ppm SO2 Response Time T90 < 30 (s) From Zero To 2ppm SO2
Pressure Range 80 To 120 KPa Humidity Range 15 To 90 % Rh Continuous
Range 100 Ppm Limit Of Performance Warranty Weight < 13 G
Temperature -30 To 50 ℃
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SO2 sulfur dioxide sensor

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100 ppm sulfur dioxide sensor

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Lightweight sulfur dioxide sensor
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Product Description

Alphasense Sulfur Dioxide gas sensors operate using proven fuel cell technology.
Sensors are available in the following sizes:
A: 20mm diameter, the industry standard size for portable gas detectors
B: 32mm diameter package, the best choice for fixed site applications
D: miniature, with proven long-term performance. Sensors designed for the next generation of portable gas detectors.
The SO2 range provides OEMs with reliable sensors for use in a variety of applications. Strong signal levels combined with low zero current allows resolution below 1ppm and an operating range for safety applications up to 2,000ppm. The sensors are designed for use in both fixed site and portable instrumentation.
The SO2 sensors offer our electrolyte leak-free guarantee and reliable long-term detection performance. The leakproof housing is moulded with a colour coded top for ease of identification.
 

SO2-B4 Sulfur Dioxide Sensor SO2 Sensor PERFORMANCE
SensitivitynA/ppm at 2ppm SO2275 to 475
Response timet90 (s) from zero to 2ppm SO2< 30
Zero currentnA in zero air at 20℃ 
Noise*±2 standard deviations (ppb equivalent)5
Rangeppm limit of performance warranty100
Linearityppb error at 100ppm SO2, linear at zero and 10ppm SO20 to -2
Overgas limitmaximum ppm for stable response to gas pulse200
* Tested with Alphasense ISB low noise circuit 
   
SO2-B4 Sulfur Dioxide Sensor SO2 Sensor LIFETIME
Zero driftppb equivalent change/year in lab air< ±20
Sensitivity drift% change/year in lab air, monthly test< ±15
Operating lifemonths until 50% original signal (24 month warranted)> 36
   
SO2-B4 Sulfur Dioxide Sensor SO2 Sensor ENVIRONMENTAL
Sensitivity @ -20℃(% output @ -20℃/output @ 20℃) @ 2ppm SO270 to 82
Sensitivity @ 50℃(% output @ 50℃/output @ 20℃) @ 2ppm SO295 to 110
Zero @ -20℃nA change from 20℃0 to -10
Zero @ 50℃nA change from 20℃10 to 30
   
SO2-B4 Sulfur Dioxide Sensor SO2 Sensor CROSS SENSITIVITY
Filter capacityppm·hrs450
H2Ssensitivity % measured gas @ 5ppm H2S< 2
NO2sensitivity % measured gas @ 5ppm NO2< -160
Cl2sensitivity % measured gas @ 5ppm Cl2< -40
NOsensitivity % measured gas @ 5ppm NO< -2
COsensitivity % measured gas @ 5ppm CO< 2
H2sensitivity % measured gas @ 100ppm H2< 0.5
C2H4sensitivity % measured gas @ 100ppm C2H4< 1
NH3sensitivity % measured gas @ 20ppm NH3< 0.1
CO2sensitivity % measured gas @ 5% CO2< 0.1
   
SO2-B4 Sulfur Dioxide Sensor SO2 Sensor KEY SPECIFICATIONS
Temperature range℃-30 to 50
Pressure rangekPa80 to 120
Humidity range% rh continuous (see note below)15 to 90
Storage periodmonths @ 3 to 20°C (stored in sealed pot)6
Load ResistorΩ (ISB circuit is recommended)33 to 100
Weightg< 13


Matched Transmitter board for SO2-B4 SO2 Sensor
100 Ppm Zetron Sulfur Dioxide Sensor SO2 Sensor 4-Electrode SO2-B4 Lightweight 0
Individual Sensor Board (ISB) Alphasense B4 4-Electrode Gas Sensors
The Individual Sensor Board (ISB) is designed for use with the Alphasense B4 family of four-electrode gas sensors. This potentiostat provides a dual channel voltage output.
A low noise bandgap provides the bias voltage for NO sensors and the ISB can measure both oxidising (CO, H2S, SO2 and NO) and reducing (O3 and NO2) gases.
The ISB is configured for specific sensors: NO, NO2, O3 and CO / H2S / SO2 .
Designed for low power applications, the ISB requires 3.5 to 6.4 stable DC supply at only 1mA.

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