ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000 |
| Delivery Time | 3 days |
| Packaging Details | tray |
| Sensitivity | 2ppmH2S, nA/ppm 1450~2050 |
| Reaction time | t90 from zero to 2ppmH2S (s) <45 |
| Zero current | output -250~0 in zero air at 20℃ |
| Average interference | (ppb) 1 |
| Detection value | ppb |
| Brand Name | Alphasense |
| Model Number | H2S-B4 |
| Place of Origin | Britain |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000 |
| Delivery Time | 3 days | Packaging Details | tray |
| Sensitivity | 2ppmH2S, nA/ppm 1450~2050 | Reaction time | t90 from zero to 2ppmH2S (s) <45 |
| Zero current | output -250~0 in zero air at 20℃ | Average interference | (ppb) 1 |
| Detection value | ppb | Brand Name | Alphasense |
| Model Number | H2S-B4 | Place of Origin | Britain |
| High Light | H2S-B4 Hydrogen Sulfide Sensor ，High Resolution Hydrogen Sulfide Sensor ，H2S Detection Hydrogen Sulfide Sensor | ||
Product Description:
H2S-B4 High resolution electrochemical hydrogen sulfide sensor
Features:
First, hydrogen sulfide sensor (H2S sensor)H2S-B4 Product Description:
The H2S-B4 is a high resolution hydrogen sulfide sensor, 7 series size, capable of detecting H2S gas up to 1ppb, ideal for use in ambient air quality monitoring systems and instruments.
Second, hydrogen sulfide sensor (H2S sensor) Typical application of H2S-B4
Air quality trace hydrogen sulfide monitoring, hydrogen sulfide gas transmitter
Three, hydrogen sulfide sensor (H2S sensor)H2S-B4 main parameters
Sensitivity 2ppmH2S, nA/ppm 1450~2050
Reaction time t90 from zero to 2ppmH2S (s) <45
When the zero current is 20℃, the output is -250~0 in the zero air
Interference Average interference (ppb) 1
Detection value ppb 1
Range H2S Warranty Detection Range (ppm) 100
Linearity full range error, 0-2ppm linear <±4
The overload responds to the gas pulse stabilization at ppm 200
Four, hydrogen sulfide sensor (H2S sensor)H2S-B4 life
Zero drift The ppm in laboratory air varies from year to year to <±100
Sensitivity drift The annual change in laboratory air has a maximum ratio <20
Working life output drops to 80% of the original signal time (months) (12 months warranty) >24
Five, hydrogen sulfide sensor (H2S sensor)H2S-B4 environment
Sensitivity 2ppm at -20°C, (output at -20°C/output at 20°C) % 77-90
Sensitivity 2ppm at 50°C, (output at 50°C/output at 20°C) % 100-110
Zero point at -20°C Reference ppm change 50~60 at 20°C
The change of ppm at zero point at 50°C is -120~-160
Six, hydrogen sulfide sensor (H2S sensor)H2S-B4 cross sensitivity
NO2 10ppmNO2 Measures the maximum sensitivity of gases <-10
Cl2 10ppmCl2 has a *** sensitivity <-25 for measuring gases
NO 10ppmNO has a maximum sensitivity of <35 for measuring gases
SO2 20ppmSO2 has a maximum sensitivity of <18 for measuring gases
CO 10ppmCO has a maximum sensitivity of <3 for measuring gases
H2 400ppmH2 measurement gas sensitivity <0.5
C2H4 400ppmC2H4 *** Sensitivity of measuring gas <0.5
NH3 20ppmNH3 The maximum sensitivity of measuring gas is <0.1
CO2 5% The maximum sensitivity of CO2 measurement gas is <0.1
Seven, hydrogen sulfide sensor (H2S sensor)H2S-B4 key parameters
The temperature ranges from -30 ℃ to 50 ℃
Pressure range Kpa 80~120
Humidity range %rh 15 to 90
Storage period 3-20℃ sealed storage period (month) 6
Load resistance Ω (recommended) 33 to 100
Weight grams <13
Specifications:
| Overload | 100ppm |
| Response time | < 25s |
| Size | Φ32.3×16.5 |
| Carbon monoxide detection range | 0-200ppm |
| Sensitivity | 420 to 650 nA/ppm |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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