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RKI Instruments GD-A8 Diffusion Detector Assembly, 0 - 100% LEL, Methane - GD-A8-CH4
Item #:
GD-A8-CH4
Brand:
RKI Instruments
Share this product:
GD-A8-CH4 GD-A8 Diffusion Detector Assembly, 0 - 100% LEL, Methane by RKI Instruments
Features
- Compact & lightweight
- Easy maintenance
- Quick-fit sensor replacement
- Compatible sensor for diffusion sampling and sample drawing detector heads
- Long life sampling pump (GD-D8V series)
- Explosion proof
- Wide variety of accessories
*Please note we can only ship RKI products to customers within the United States
| Model | GD-A8 |
GD-A8-18 |
GD-D8 |
GD-D8DC |
GD-D8-AS |
| Gas sample method | Static diffusion |
Magnetic-driven pump suction |
Air aspiration |
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| Gases to be detected | Hydrogen, general, combustible gases |
Acethylene |
General combustible gas |
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| Detectable range1) | 0 ~ 100% LEL (LFL) or 0 ~ 50% LEL (LFL) |
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| Response time2) | Within 20 sec. |
Within 20 sec. with 1 m length of piping |
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| Structure | Explosion proof |
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| Approval No. | 43642 |
43644 |
38169 |
C10395 |
38169 |
| Kind of explosion class & ignition group of objective gases | d3aG43) |
d3a.cG43) |
d2G43) |
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| Operating conditions | -10°C ~ + 40°C, below 95% R.H. |
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| Applicable cable and cable leading method | 4-core cable permitted for explosion proof construction |
6-crore cable permitted for explosion proof construction |
Same as for GD-A8 |
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Pressure-proof packing method. Acceptable outer diameter of cable: 10.5 ~ 13Ø |
Pressure-proof packing method or pressure-proof steel conduit method. Acceptable outer diameter of cable: 13 ~15 Ø |
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| Utility required | – |
For pump: GD-D8 AC100V, 4VA; |
Instrumentation air: 1 ~ 7.5kgf/cm2G Air consumption: 0.18Nm3/hr |
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| Weight & Painting color | Approx. 0.9kg. Munsel N5 |
Approx. 3.5kg. Munsel N5 |
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| Others | Material of packing gland for GD-A8-18 is stainless steel (GD-A8 is bronze casting) |
In case of corrosive gas detection, inner tubings are teflon-coated and piping union is of stainless steel make. Sampe flowrate: 0.8l/min and above |
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| Applicable piping for outer connections | – |
Outer diameter: 8 Ø Inner diameter: 6 Ø; Copper or stainless |
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| Name of gas | Chemical formula | Explosive range | Molecular weight (Air = 1) |
| Acethylene | C2H2 |
1.5 ~ 100 | 0.90 |
| Acetone | (CH3)CO |
2.15 ~ 13 | 2.00 |
| Benzene | C6H6 |
1.2 ~ 8.0 | 2.70 |
| Butadiene | C4H6 |
1.1 ~ 12.5 | 1.87 |
| Butane | C4H10 |
1.5 ~ 8.5 | 2.05 |
| Butanol | C4H9OH |
1.4 ~ 11.3 | 2.55 |
| Buthyl acetate | CH3CO2C4H9 |
1.4 ~ 8.0 | 4.01 |
| Buthylene | C4H8 |
2.0 ~ 9.6 | 1.93 |
| Cychloexane | C6H12 |
1.3 ~ 8.3 | 2.90 |
| Ethane | C2H6 |
3.0 ~ 15.5 | 1.04 |
| Ehanol | C2H5OH |
3.3 ~ 19 | 1.59 |
| Ethyl acetate | CH3CO2C2H5 |
2.1 ~ 11.5 | 3.04 |
| Ethylene | C2H4 |
2.7 ~ 34 | 0.97 |
| Ethylene oxide | C2H4O |
3.0 ~ 100 | 1.52 |
| Ethyl ether | (C2H5)2O |
1.7 ~ 36 | 2.55 |
| Gasoline | 1.4 ~ 7.6 | 3 ~ 4 | |
| Hexane | C6H14 |
1.2 ~ 7.4 | 2.79 |
| Hydrogen | H2 |
4.0 ~ 75.6 | 0.07 |
| i-butane | i-C4H10 |
1.8 ~ 8.5 | 2.01 |
| Methane | CH4 |
5.0 ~ 15.0 | 0.55 |
| Methanol | CH3OH |
5.5 ~ 44 | 1.11 |
| Methyl acetate | CH3CO2CH3 |
3.1 ~ 16 | 2.56 |
| Methyl ethyl ketone | CH2C2H5CO |
1.8 ~ 11.5 | 2.48 |
| o-xylene | C6H4(CH3)2 |
1.0 ~ 7.6 | 3.66 |
| Pentane | C5H12 |
1.5 ~ 7.8 | 2.50 |
| Propane | C3H8 |
2.0 ~ 9.5 | 1.56 |
| Propylene | C3H6 |
2.0 ~ 11.7 | 1.49 |
| Stylene | C6H5CHCH2 |
1.1 ~ 8.0 | 3.59 |
| Toluene | C6H5CH3 |
1.2 ~ 7.0 | 3.18 |
| Vinyl chloride | CH2CHCI |
3.8 ~ 29.3 | 2.16 |
