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  5. RKI Instruments GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC - GD-D8DC

RKI Instruments GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC - GD-D8DC

Item #:
GD-D8DC
Brand:
RKI Instruments
RKI Instruments GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC - GD-D8DC
$1,207.50
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RKI Instruments GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC - GD-D8DC

RKI Instruments GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC - GD-D8DC

$1,207.50

GD-D8DC GD-D8 Sample Draw Detector Assembly, 0 - 100% LEL, 24 VDC 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

GD-A8 & GD-D8 Specifications:
Model
GD-A8
GD-A8-18
GD-D8
GD-D8DC
GD-D8-AS
Gas sample method
Static diffusion
Magnetic-driven pump suction
Air aspiration
Gases to be detected
Hydrogen, general, combustible gases
Acethylene
General combustible gas
Detectable range1)
0 ~ 100% LEL (LFL) or 0 ~ 50% LEL (LFL)
Response time2)
Within 20 sec.
Within 20 sec. with 1 m length of piping
Structure
Explosion proof
Approval No.
43642
43644
38169
C10395
38169
Kind of explosion class & ignition group of objective gases
d3aG43)
d3a.cG43)
d2G43)
Operating conditions
-10°C ~ + 40°C, below 95% R.H.
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
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
Utility required
–

For pump: GD-D8 AC100V, 4VA;
GD-D8DC DC24V, 5W

Instrumentation air: 1 ~ 7.5kgf/cm2G
Air consumption: 0.18Nm3/hr
Weight & Painting color
Approx. 0.9kg. Munsel N5
Approx. 3.5kg. Munsel N5
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
Applicable piping for outer connections
–
Outer diameter: 8 Ø
Inner diameter: 6 Ø; Copper or stainless

List of Combustible Gases & Vapours
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

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