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Gas Monitors listed by Gases Detected. A chart for selecting the appropriate gas monitor for the selected gas.
| Gases Name | Symbol | TLV/TWA | Range | Diffusion Detector | Sample Draw | Portable |
|---|---|---|---|---|---|---|
| Acetic Acid | CH3COOH | 1.5 PPM, 10 PPM | 30 PPM, 3000 PPM | SD-1GH | GD-70D | – |
| Acetone | C3H6O | 500 PPM | 10000 PPM | SD-1GH | – | – |
| Acetylene | C2H2 | 3000 PPM | SD-1GH | – | – | |
| Acrylonitrile | C3H3N | 2 PPM | 1000 PPM | SD-1GH | – | – |
| Ammonia | NH3 | 25 PPM | 75, 100, 200, 400, 1K PPM | GD-K88Ai-NH3 / Direct Connect / S2 Series / M2A / T3A* / SD-1GH | GD-70D | GX-3R Pro / SC-04 / GX-6000 / SC-8000 / SP-220 |
| Arsine | AsH3 | 0.05 PPM | 0.2, 1.5 PPM | GD-K88Ai-AsH3 / Direct Connect / S2 Series / M2A | GD-70D | SC-8000 / SP-220 |
| Benzene | C6H6 | 0.5 PPM | various PPM | SD-1GH | GD-70D | – |
| Boron Trichloride | BCI3 | HCl C 5 PPM | 15 PPM | GD-K88Ai-BCI3 | GD-70D | – |
| Boron Trifluoride | BF3 | HF C 3PPM | 9 PPM | – | GD-70D | – |
| Bromine | Br2 | 0.1 PPM | 1 PPM | GD-K88Ai-Br2 | GD-70D | SC-8000 |
| Butane | C4H10 | LEL = 1.9% | 100% LEL | SD-1GH / Direct Connect / S2 Series / M2A / PS2 | 35-3001 / GD-70D / GD-D58GH | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Carbon Dioxide PPM | CO2 | 5,000 PPM | 2k, 5k, 10k PPM | RI-600 / Direct Connect / S2 Series / M2A | 35-3001 | GX-3R Pro / GX-6000 |
| Carbon Dioxide %Vol. | CO2 | 5,000 PPM | 1.5, 5, 20, 50, 60, 100% | RI-600 / Direct Connect / S2 Series / M2A / T3A* | 35-3001 | GX-3R Pro / GX-6000 |
| Carbon Monoxide | CO | 25 PPM | 30, 75, 150 PPM | GD-K88Ai-CO | GD-70D | CO-04 / SP-220 / SC-8000 |
| Carbon Monoxide | CO | 25 PPM | 300, 500, 1000 PPM | EC-600 / Direct Connect / S2 Series / M2A / M-Series / T3A* | 35-3001-CO | CO-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer |
| Carbon Monoxide H2 Compensated | CO | 25 PPM | 2000 PPM | – | – | GX-Force / GX-3R / GX-3R Pro |
| Chlorine | Cl2 | 0.5 PPM | 3, 5, 10, 20 PPM | GD-K88Ai-Cl2 / Direct Connect / S2 Series / M2A / T3A* | GD-70D | GX-6000 / SC-8000 |
| Chlorine Dioxide | ClO2 | 0.1 PPM | 1, 3, 5 PPM | Direct Connect / M2A / S2 Series / T3A* | – | – |
| Chlorine Trifluoride | ClF3 | 0.1 PPM | 0.6 PPM | – | GD-70D | SC-8000 |
| Chlorofluorocarbon | CFC | 10 PPM | – | – | SP-220 | |
| Combustibles LEL | LEL | – | 100% LEL | Direct Connect / S2 Series / M2A / SD-1GH / PS2 / T3A* | 35-3001 / GD-70D / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Combustibles PPM | PPM | – | various PPM | SD-1GH | GD-70D / GD-D58GH | – |
| Diborane | B2H6 | 0.1 PPM | 0.3 PPM | GD-K88Ai-B2H6 | GD-70D | SP-220 / SC-8000 |
| Dimethylamine | DMA | 5 PPM | 15 PPM | GD-K88Ai | GD-70D | – |
| Dichlorosilane | DCS | HCl 5 PPM | 15 PPM | GD-K88Ai-DCS | GD-70D | – |
| Disilane | Si2H6 | 5 PPM | 15 PPM | GD-K88Ai-Si2H6 | GD-70D | – |
| Ethylene Oxide | C2H4O | 1 PPM | 1000 PPM | SD-1GH | – | – |
| Fluorine | F2 | 1 PPM | 3 PPM | – | GD-70D | SC-8000 |
| Formaldehyde | HCHO | C 0.3 PPM | 1 / 10 / 500PPM | T3A* | FP-330 | FP-31 / SP-220 |
| Freon R-11 | CCI3F | 1000 PPM | 5000 PPM | SD-1GH | – | – |
| Freon R-12 | CHCIF2 | 1000 PPM | 5000 PPM | SD-1GH | – | – |
| Freon R-22 | CHClF2 | 50 PPM | – | – | SP-220 | |
| Germane | GeH4 | 0.2 PPM | 0.2 / 0.8 PPM | – | GD-70D | SP-220 / SC-8000 |
| Halocarbons | HCFC | Various | 0 ~ 5,000 (typ) | – | RI-257GD-70D | – |
| Hexane | C6H14 | – | 2,000 PPM | SD-1GH | GD-70D / GD-D58GH | GX-6000 |
| Hexane | C6H14 | LEL = 1.1% | 100% LEL | SD-1GP / Direct Connect / S2 Series / M2A / PS2 / GD-A80 | 35-3001 / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Hydrazine | N2H4 | 0.1 PPM | 4 PPM | – | FP-310 / GD-70D | GX-6000 |
| Hydrocarbon LEL | HC | – | 100% LEL | S2 Series / M2A / SD-1GP / PS2 / Direct Connect | 35-3001-LEL / GD-70D / GD-58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Hydrocarbon PPM | HC | – | various PPM | SD-1GH | GD-70D / GD-D58GH | GX-6000 |
| Hydrocarbon %Vol. | HC | – | 2 / 5 / 20 % Volume | S2 Series / M2A / SD-1GP / PS2 / Direct Connect / H2 Specific / T3A* | GD-70D / GD-D58GH | GX-6000 |
| Hydrogen LEL | H2 | LEL = 4% | 100% LEL | Direct Connect / H2 Specific / GD-A8 / 61-1000RK / S2 Series / M2A / SD-1GP / PS2 / H2 Specific / GD-A80 | GD-70D / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Hydrogen PPM | H2 | – | 4 / 10 / 2,000 PPM | S2 Series / H2 Specific / SD-1GH / T3A* | GD-70D / GD-D58GH | SP-220 |
| Hydrogen Bromide | HBr | C 3 ppm | 9 / 10 PPM | – | GD-70D | SP-220 / SC-8000 |
| Hydrogen Chloride | HCL | C 5 ppm | 10 / 15 / 30 PPM | T3A* | GD-70D | SC-8000 / SP-220 |
| Hydrogen Cyanide | HCN | STEL C 4.7 PPM | 15 / 30 PPM | Direct Connect / S2 Series / M2A / GD-K88Ai-HCN / T3A* | GD-70D | SC-04 / GX-3R Pro / GX-6000 / SC-8000 |
| Hydrogen Fluoride | HF | C 3 ppm | 9 / 10 PPM | T3A* | GD-70D | SC-8000 |
| Hydrogen Iodide | HI | – | 5 PPM | – | GD-70D | SC-8000 |
| Hydrogen Peroxide | H2O2 | 1 PPM | 400 PPB / 3 PPM | – | GD-70D | SC-8000 |
| Hydrogen Selenide | H2Se | 0.05 PPM | 0.2 PPM | – | GD-70D | SC-8000 |
| Hydrogen Sulfide | H2S | 0.1 / 1 PPM | 1 / 30 PPM | GD-K88Ai-H2S | GD-70D | HS-03 / SC-8000 |
| Hydrogen Sulfide | H2S | 1 PPM | 100 / 2K PPM | Direct Connect / S2 Series / M2A / M-Series / T3A* | 35-3001-H2S | HS-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer |
| Iodine | I2 | STEL C 0.01 ppm | 1 PPM | – | GD-70D | – |
| Isobutane | C4H10 | LEL = 1.8% | 100% LEL | S2 Series / M2A / GD-A80 / PS2 / Direct Connect | 35-3001-LEL / GD-70D / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Isopropyl Alcohol (IPA) | IPA | 400 PPM | 10 / 2K PPM | SD-1GH | GD-70D / GD-D58GH | GX-6000 / SP-220 |
| Methane | CH4 | LEL = 5% | 100% LEL | Direct Connect / S2 Series / M2A / SD-1GP / PS2 / GD-A80 | GD-70D / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Nitric Acid | HNO3 | 2 PPM | 20 PPM | – | GD-70D | – |
| Nitric Oxide | NO | 25 PPM | 100, 250 PPM | GD-K88Ai-NO / T3A* | GD-70D | – |
| Nitrogen Dioxide | NO2 | 3 PPM | 9 / 15 / 20 PPM | M2A / GD-K88Ai-NO2 / T3A* | GD-70D | SC-04 / GX-6000 / SC-8000 / GX-3R Pro |
| Nitrogen Monoxide | NO | 100 PPM | 1 PPM | – | – | SC-8000 |
| Nitrogen Tetraoxide | N2O4 | NO2 3 PPM | 15 PPM | – | GD-70D | – |
| Nitrogen Trifluoride | NF3 | 10 PPM | 30 PPM | – | GD-70D | – |
| Nitrous oxide | N2O | 50 PPM | 500 PPM | – | GD-70D-IRU-N2O | – |
| Nitrous Tetraoxide | N2O4 | NO2 3 PPM | 15 PPM | – | GD-70D | – |
| Nitrous Trifluoride | NF3 | 10 PPM | 30 PPM | – | GD-70D | |
| Octafluorocyclopentene | C5F8 | – | 5 PPM | – | FP-300AGZS | – |
| Oxygen | O2 | – | 25% / 40% / 100% | OX-600 / Direct Connect / S2 Series / M2A / T3A* | 35-3001-OXY / GD-70D | OX-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Ozone | O3 | 0.1 PPM | 0.6 / 5 / 100 PPM | T3A* | GD-70D | SC-8000 |
| Pentane | C5H12 | LEL = 1.5% | 100% LEL | Direct Connect / S2 Series / M2A / SD-1GP / PS2 | 35-3001-LEL / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 |
| Perfluorobutadiene | C4F6 | – | 5 PPM | – | FP-300AGZS | – |
| Phosphine | PH3 | 0.3 PPM | 1 / 2 / 5 / 20 PPM | GD-K88Ai-03 / Direct Connect / S2 Series / M2A / T3A* | GD-70D | GX-6000 / GX-3R Pro / SC-04 / SP-220 / SC-8000 |
| Phosphorus Trifluoride | PF3 | 10 PPM | 0.1 PPM | – | – | SC-8000 |
| Propane | C3H8 | LEL = 2.1% | 10 PPM / 100% LEL | Direct Connect / S2 Series / M2A / SD-1GP / PS2 / GD-A80 | 35-3001 / GD-70D / GD-D58 | GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / SP-220 |
| Silane | SiH4 | 5 PPM | 0.5 / 15 PPM | GD-K88Ai-SIH4 | GD-70D | SP-220 / SC-8000 |
| Silicon Tetrachloride | SICI4 | HCl C 5 ppm | 15 PPM | GD-K88Ai-SIH4 | GD-70D | – |
| Silicon Tetrafluoride | SiF4 | HF C 3 PPM | 9 PPM | – | GD-70D | – |
| Sulfur Dioxide | SO2 | 0.25 PPM | 1/6/10/20/15/30 PPM | GD-K88Ai-SO2 Direct Connect / S2 Series / M2A / T3A* | GD-70D | GX-3R Pro / GX-6000 / SC-04 / SP-220 / SC-8000 |
| Sulfur Tetrafluoride | SF4 | HF C 3 PPM | 9 PPM | – | GD-70D | – |
| Tetraethyl Orthosilicate | TEOS | 10 PPM | 15 PPM | – | GD-70D | – |
| Toluene | C6H5CH3 | 20 PPM | various PPM | SD-1GH | GD-70D / GD-D58GH | GX-6000 |
| Trichlorosilane | TCS | HDl C 5 PPM | 15 PPM | – | GD-70D | – |
| Trimethoxy Phosphate | TMP | 2 PPM | 15 PPM | – | GD-70D | – |
| Trimethoxyboron | TMB | – | 500 PPM | – | GD-70D | – |
| Tungsten Hexafluoride | WF6 | HF C 3 PPM | 9 PPM | – | GD-70D | – |
| 1 1 1-Trichloroethane | C2H3Cl3 | 350 PPM | 0 ~ 2,000 PPM | SD-1GH | GD-D58GH | – |
| Volatile Organic Compound | VOCs | – | 50 / 100 / 1K / 2K / 6K PPM | SD-1GH / VOC Pro / Air Alert / AirLink Alert (wireless) / AirLink VOC Pro (wireless) | GD-D58GH | GX-6000 |