High Accuracy Electrochemical Gas Sensor for H2S Gas Detector 0-50ppm   

                                           Model Number: 3SP_H2S_50                                  

 

1.BENEFITS
? Small Size with Low Profile (20x20 x3.0mm)
? Long Life (10 years expected life)
? Fast Response (< 15 seconds)
? Low Power Consumption
? Individually Calibrated (NIST Traceable)
? ROHS Compliant

 

2.APPLICATIONS
? Fixed Industrial Safety Monitoring
? Portable Industrial Safety Detection
? Portable Personal Safety Monitor
? Indoor Air Quality Monitoring
? Outdoor Air Quality Monitoring
? Bad Breath/Halitosis Respiration Sensing

 

3.DESCRIPTION

SPEC Sensors' Screen Printed ElectroChemical sensor technology (SPEC Sensor?) revolutionizes the
current state of the art, enabling new applications in consumer and industrial safety monitoring.
SPEC's printed sensors offer the performance of the best quality electrochemical sensors at a fraction of
the price. SPEC's printed sensors are also ultra-thin, offering easy integration into wireless, portable, and
networked solutions. These sensors are ideal for health, environmental, industrial and residential
monitoring, because of their high performance, low cost and small size.

 

4.Details

Measurement Range 0 to 50 ppm
Lower Detectable Limit < 5 ppb (instrumentation dependent)
Repeatability < +/- 3 % of reading
Response Time < 15 seconds typical
Sensitivity @ 0 mV bias 250 +/- 50 nA/ppm
Expected Operating Life > 5 years (10 years @ 23+/-3C; 40+/-10% RH)
Operating Temperature Range -30 to 50 C (-20 to 40 C continuous)
Operating Humidity Range – non-condensing 0 to 100% RH (15 to 95% continuous)
Power Consumption circuit & ambient H2S dependent

 

 

5.CROSS SENSITIVITY

Gas/Vapor Concentration Typical Response PPM NO2
Methane 500 ppm 0.1
Ammonia 100 ppm 0.1
Nitrogen Dioxide 10 ppm -2.0
Hydrogen Sulfide 25 ppm 25
Carbon Monoxide 400 ppm 1.1
Ozone 5 ppm -0.9
Sulfur Dioxide 20 ppm 1.7
Nitric Oxide (NO) 50 ppm 1.2
Chlorine 10 ppm -2.2
n-Heptane 500 ppm < 0.05