YJJ H2S-B4 High Resolution Electrochemical Hydrogen Sulfide Sensor Sensitivity 2ppm H2S Detection value ppb

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:

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, photodiodes, Japan FIGARO, UK CITY, ALPHASENSE full range of semiconductors, catalytic, electrochemical gas sensors, French HUMIREL/MEAS humidity sensors and other international well-known companies authorized agents or distributors, to provide customers with product information, products Solutions, product selection, supply guarantee and logistics services, etc.