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Gas Monitors listed by Gases Detected. A chart for selecting the appropriate gas monitor for the selected gas.

Gases NameSymbolTLV/TWARangeDiffusion DetectorSample DrawPortable
Acetic AcidCH3COOH1.5 PPM, 10 PPM30 PPM, 3000 PPMSD-1GHGD-70D
AcetoneC3H6O 500 PPM 10000 PPMSD-1GH
AcetyleneC2H23000 PPMSD-1GH
AcrylonitrileC3H3N2 PPM1000 PPMSD-1GH
AmmoniaNH325 PPM75, 100, 200, 400, 1K PPMGD-K88Ai-NH3 / Direct Connect / S2 Series / M2A / T3A* / SD-1GHGD-70DGX-3R Pro / SC-04 / GX-6000 / SC-8000 / SP-220
ArsineAsH30.05 PPM0.2, 1.5 PPMGD-K88Ai-AsH3 / Direct Connect / S2 Series / M2AGD-70DSC-8000 / SP-220
BenzeneC6H60.5 PPMvarious PPMSD-1GHGD-70D
Boron TrichlorideBCI3HCl C 5 PPM15 PPMGD-K88Ai-BCI3GD-70D
Boron TrifluorideBF3HF C 3PPM9 PPMGD-70D
BromineBr20.1 PPM1 PPMGD-K88Ai-Br2GD-70DSC-8000
ButaneC4H10LEL = 1.9%100% LELSD-1GH / Direct Connect / S2 Series / M2A / PS235-3001 / GD-70D / GD-D58GHGP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
Carbon Dioxide PPMCO25,000 PPM2k, 5k, 10k PPMRI-600 / Direct Connect / S2 Series / M2A35-3001 GX-3R Pro / GX-6000
Carbon Dioxide %Vol.CO25,000 PPM1.5, 5, 20, 50, 60, 100%RI-600 / Direct Connect / S2 Series / M2A / T3A*35-3001GX-3R Pro / GX-6000
Carbon MonoxideCO25 PPM30, 75, 150 PPMGD-K88Ai-COGD-70DCO-04 / SP-220 / SC-8000
Carbon MonoxideCO25 PPM300, 500, 1000 PPMEC-600 / Direct Connect / S2 Series / M2A / M-Series / T3A*35-3001-COCO-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / GX-2009
Carbon Monoxide
H2 Compensated
CO25 PPM2000 PPMGX-Force / GX-3R / GX-3R Pro
ChlorineCl20.5 PPM3, 5, 10, 20 PPMGD-K88Ai-Cl2 / Direct Connect / S2 Series / M2A / T3A*GD-70DGX-6000 / SC-8000
Chlorine Dioxide ClO20.1 PPM1, 3, 5 PPMDirect Connect / M2A / S2 Series / T3A*
Chlorine TrifluorideClF30.1 PPM0.6 PPMGD-70DSC-8000
ChlorofluorocarbonCFC10 PPMSP-220
Combustibles LELLEL100% LELDirect Connect / S2 Series / M2A / SD-1GH / PS2 / T3A*35-3001 / GD-70D / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
Combustibles PPMPPMvarious PPMSD-1GHGD-70D / GD-D58GH
DiboraneB2H60.1 PPM0.3 PPMGD-K88Ai-B2H6GD-70DSP-220 / SC-8000
DimethylamineDMA5 PPM15 PPMGD-K88AiGD-70D
DichlorosilaneDCSHCl 5 PPM15 PPMGD-K88Ai-DCSGD-70D
DisilaneSi2H65 PPM15 PPMGD-K88Ai-Si2H6GD-70D
Ethylene Oxide C2H4O1 PPM1000 PPMSD-1GH
FluorineF21 PPM3 PPMGD-70DSC-8000
FormaldehydeHCHOC 0.3 PPM1 / 10 / 500PPMT3A*FP-330FP-31 / SP-220
Freon R-11CCI3F 1000 PPM5000 PPMSD-1GH
Freon R-12CHCIF2 1000 PPM5000 PPMSD-1GH
Freon R-22CHClF250 PPMSP-220
GermaneGeH40.2 PPM0.2 / 0.8 PPMGD-70DSP-220 / SC-8000
HalocarbonsHCFCVarious0 ~ 5,000 (typ)RI-257GD-70D
HexaneC6H142,000 PPMSD-1GHGD-70D / GD-D58GHGX-6000
HexaneC6H14LEL = 1.1%100% LELSD-1GP / Direct Connect / S2 Series / M2A / PS2 / GD-A8035-3001 / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
HydrazineN2H40.1 PPM4 PPMFP-310 / GD-70DGX-6000
Hydrocarbon LELHC100% LELS2 Series / M2A / SD-1GP / PS2 / Direct Connect 35-3001-LEL / GD-70D / GD-58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000 / GX-2009
Hydrocarbon PPMHCvarious PPMSD-1GHGD-70D / GD-D58GHGX-6000
Hydrocarbon %Vol.HC2 / 5 / 20 % VolumeS2 Series / M2A / SD-1GP / PS2 / Direct Connect / H2 Specific / T3A*GD-70D / GD-D58GHGX-6000
Hydrogen LELH2LEL = 4%100% LELDirect Connect / H2 Specific / GD-A8 / 61-1000RK / S2 Series / M2A / SD-1GP / PS2 / H2 Specific / GD-A80GD-70D / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
Hydrogen PPMH24 / 10 / 2,000 PPMS2 Series / H2 Specific / SD-1GH / T3A*GD-70D / GD-D58GHSP-220
Hydrogen BromideHBrC 3 ppm9 / 10 PPMGD-70DSP-220 / SC-8000
Hydrogen ChlorideHCLC 5 ppm10 / 15 / 30 PPMT3A*
GD-70DSC-8000 / SP-220
Hydrogen CyanideHCNSTEL C 4.7 PPM15 / 30 PPMDirect Connect / S2 Series / M2A /
GD-K88Ai-HCN
/ T3A*
GD-70DSC-04 / GX-3R Pro / GX-6000 / SC-8000
Hydrogen FluorideHFC 3 ppm9 / 10 PPMT3A*GD-70DSC-8000
Hydrogen IodideHI5 PPMGD-70DSC-8000
Hydrogen PeroxideH2O21 PPM400 PPB / 3 PPMGD-70DSC-8000
Hydrogen SelenideH2Se0.05 PPM0.2 PPMGD-70DSC-8000
Hydrogen SulfideH2S0.1 / 1 PPM1 / 30 PPMGD-K88Ai-H2SGD-70DHS-03 / SC-8000
Hydrogen SulfideH2S1 PPM100 / 2K PPMDirect Connect / S2 Series / M2A /
M-Series
/ T3A*
35-3001-H2SHS-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer
IodineI2STEL C 0.01 ppm1 PPMGD-70D
IsobutaneC4H10LEL = 1.8%100% LELS2 Series / M2A / GD-A80 / PS2 / Direct Connect 35-3001-LEL / GD-70D / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
Isopropyl Alcohol (IPA)IPA400 PPM10 / 2K PPMSD-1GHGD-70D / GD-D58GHGX-6000 / SP-220
MethaneCH4LEL = 5%100% LELDirect Connect / S2 Series / M2A / SD-1GP / PS2 / GD-A80GD-70D / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
Nitric AcidHNO32 PPM20 PPMGD-70D
Nitric OxideNO25 PPM100, 250 PPMGD-K88Ai-NO / T3A*GD-70D
Nitrogen DioxideNO23 PPM9 / 15 / 20 PPMM2A / GD-K88Ai-NO2 / T3A*GD-70DSC-04 / GX-6000 / SC-8000 / GX-3R Pro
Nitrogen MonoxideNO100 PPM1 PPMSC-8000
Nitrogen TetraoxideN2O4NO2 3 PPM15 PPMGD-70D
Nitrogen TrifluorideNF310 PPM30 PPMGD-70D
Nitrous oxideN2O50 PPM500 PPMGD-70D-IRU-N2O
Nitrous TetraoxideN2O4NO2 3 PPM15 PPMGD-70D
Nitrous TrifluorideNF310 PPM30 PPMGD-70D
OctafluorocyclopenteneC5F85 PPMFP-300AGZS
OxygenO225% / 40% / 100%OX-600 / Direct Connect / S2 Series / M2A / T3A*35-3001-OXY / GD-70DOX-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
OzoneO30.1 PPM0.6 / 5 / 100 PPMT3A*GD-70DSC-8000
PentaneC5H12LEL = 1.5%100% LELDirect Connect / S2 Series / M2A / SD-1GP / PS235-3001-LEL / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer / RX-8000
PerfluorobutadieneC4F65 PPMFP-300AGZS
PhosphinePH30.3 PPM1 / 2 / 5 / 20 PPMGD-K88Ai-03 / Direct Connect / S2 Series / M2A / T3A*GD-70DGX-6000 / GX-3R Pro / SC-04 / SP-220 / SC-8000
Phosphorus TrifluoridePF310 PPM0.1 PPMSC-8000
PropaneC3H8LEL = 2.1%10 PPM / 100% LELDirect Connect / S2 Series / M2A / SD-1GP / PS2 / GD-A8035-3001 / GD-70D / GD-D58GP-03 / GX-Force / GX-3R / GX-3R Pro / GX-6000 / GX-2012 / Gas Tracer /
SP-220
SilaneSiH45 PPM0.5 / 15 PPMGD-K88Ai-SIH4GD-70DSP-220 / SC-8000
Silicon TetrachlorideSICI4HCl C 5 ppm 15 PPMGD-K88Ai-SIH4GD-70D
Silicon TetrafluorideSiF4HF C 3 PPM9 PPMGD-70D
Sulfur DioxideSO20.25 PPM1/6/10/20/15/30 PPMGD-K88Ai-SO2 Direct Connect / S2 Series / M2A / T3A*GD-70DGX-3R Pro / GX-6000 / SC-04 / SP-220 / SC-8000
Sulfur TetrafluorideSF4HF C 3 PPM9 PPMGD-70D
Tetraethyl OrthosilicateTEOS10 PPM15 PPMGD-70D
TolueneC6H5CH320 PPMvarious PPMSD-1GHGD-70D / GD-D58GHGX-6000
TrichlorosilaneTCSHDl C 5 PPM15 PPMGD-70D
Trimethoxy PhosphateTMP2 PPM15 PPMGD-70D
TrimethoxyboronTMB500 PPMGD-70D
Tungsten HexafluorideWF6HF C 3 PPM9 PPMGD-70D
1 1 1-TrichloroethaneC2H3Cl3350 PPM0 ~ 2,000 PPMSD-1GHGD-D58GH
Volatile Organic CompoundVOCs50 / 100 / 1K / 2K / 6K PPMSD-1GH / VOC Pro / Air Alert / AirLink Alert (wireless) / AirLink VOC Pro (wireless)GD-D58GHGX-6000

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