SenSmart 4000 Series Fixed Gas Detector - LIST OF DETECTED GASES

SenSmart 4000 Series Fixed Gas Detector - LIST OF DETECTED GASES 
by RC Systems

  • The SenSmart 4000 Series accepts only one of the four sensor technology types RC Systems manufactures:  Electro-Chemical (EC).
  • The table below lists the gases detected, with the sensor characteristics for each. If some of the gas types appear multiple times, look closely. The sensor specification differs in some way, such as the min/max span, or the sensor response time. 
  • When configuring your 4000 Series Gas Detector with SensorPros online you will be able to choose which sensor type you want, based on your application.  The table below is only a partial list of the gases detected.  If a gas is not listed, please call us and we will help you find a solution.
Response Time (s)
Target gas  Formula Relative Gas
 Density
TWA IDLH Min Span Max Span TYPE T50 T90 TEMP °F Relative Humidity (non-condensing)
Ammonia NH3 0.6 50ppm 300ppm 25ppm 1000ppm EC <20 <60 -4° to 104° 15 to 90%
Ammonia NH3 0.6 50ppm 300ppm 1250ppm 5000ppm EC <30 <90 -4° to 104° 15 to 90%
Arsine AsH3 2.69 0.5ppm 3ppm -- 1ppm EC -- <30 -4° to 104° 10 to 95%
Arsine AsH3 2.69 0.5ppm 3ppm -- 0.5ppm EC <20 <60 -4° to 104° 20 to 95%
Carbon Monoxide CO 0.97 50ppm 1200ppm 40ppm 5000ppm EC -- <30 -4° to 122° 15 to 90%
Chlorine Cl2 2.47 1ppm  C 10ppm 5ppm 20ppm EC -- <60 -4° to 122° 15 to 90%
Chlorine Dioxide ClO2 2.33 0.1ppm C 5ppm 3ppm 6ppm EC -- <60 -4° to 122° 15 to 90%
Ethylene Oxide C2H4O 1.49 <0.1ppm (Ca) 800ppm (Ca) 20ppm 100ppm EC -- <200 -22° to 122° 15 to 90%
Flourine F2 1.31 0.1ppm  25ppm -- 1ppm EC <30 <80 14° to 104° 15 to 90%
Hydrazine N2H4 1.1 C 0.03ppm (Ca) 50ppm (Ca) -- 1ppm EC <30 <120 14° to 104° 20 to 95%
Hydrogen H2 0.07 -- asphyxiant 5000ppm 40000ppm or 100%LEL EC <40 <60 -4° to 104° 15 to 95%
Hydrogen  H2 0.07 -- asphyxiant 250ppm 5000ppm EC -- <80 -22° to 122° 15 to 90%
Hydrogen  H2 0.07 -- asphyxiant 500ppm 10000ppm EC <40 <70 -4° to 104° 16 to 90%
Hydrogen Chloride HCl 1.27 5ppm C 50ppm 10 10 EC -- <200 -22° to 122° 15 to 90%
Hydrogen Cyanide HCN 0.94 ST 4.7ppm  50ppm 35ppm 100pm EC -- <120 -22° to 122° 15 to 90%
Hydrogen Flouride HF 0.69 3ppm 30ppm 10ppm 10ppm EC -- <90 -4° to 104° 15 to 90%
Hydrogen Sulfide H2S 1.19 20ppm 100ppm 5ppm 2000ppm EC -- <55 -22° to 122° 15 to 90%
Nitric Oxide NO 1.04 25ppm (pel) 100ppm 10ppm 250ppm EC -- <30 -22° to 122° 15 to 90%
Nitric Oxide NO 1.04 25ppm (pel) 100ppm 70ppm 500ppm EC -- <75 -22° to 122° 15 to 90%
Nitrogen Dioxide NO2 2.62 5ppm C 20ppm 15ppm 20ppm EC -- <60 -22° to 104° 15 to 85%
Nitrogen Dioxide NO2 2.62 5ppm C 20ppm 25ppm 200ppm EC -- <40 -4° to 122° 15 to 90%
Oxygen O2 1.1 -- 19.50% -- 25%/vol EC -- <15 -22° to 131° 5 to 95%
Ozone O3 1.66 0.1ppm 10ppm 510ppb 2ppm EC -- <150 -4° to 122° 15 to 90%
Phosphine PH3 1.18 0.3ppm 50ppm 5ppm 10ppm EC -- <20 -22° to 122° 15 to 90%
Silane SiH4 1.11 5ppm asphyxiant 45ppm 50ppm EC -- <60 -4° to 104° 10 to 95%
Sulfur Dioxide SO2 2.26 5ppm 100ppm 10ppm 100ppm EC -- <40 -22° to 122° 15 to 90%
Sulfur Dioxide SO2 2.26 5ppm 100ppm 100ppm 2000ppm EC -- <30 -22° to 122° 16 to 90%