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Safety Test & Diagnostic Equipment
Air Testing & Gas Detection Equipment
Portable Gas Monitors & Accessories
Portable Gas Monitor Accessories
Calibration Gas & Accessories

Calibration Gas & Accessories

Calibration gas and accessories ensure that gas detection instruments perform accurately. RS Hughes carries various cylinder sizes and gas configuration from single gas to multi-gas combinations for convenient calibration and bump testing.

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0.6% Propane in Air (1)
1.3% Carbon Monoxide, 2.5% Methane in N2 (1)
1.45% CH4/15% O2/60 ppm CO (1)
1.45% CH4/15% O2/60 ppm CO/20 ppm H2S (2)
1.45% CH4/15% O2/60 ppm CO/20 ppm H2S/10 ppm SO2 (1)
1.45% Methane, 15% Oxygen, Carbon Monoxide, Sulphuric Acid, 2.5% Carbon Dioxide (1)
1.5% Carbon Dioxide in Nitrogen (1)
10 ppm Chlorine (Cl2) (1)
10 ppm Hydrogen Sulfide (H2S) (1)
10 ppm Nitric Oxide (NO) (1)
10% Carbon Monoxide in N2 (1)
100 ppm Isobutylene (C4H8) (1)
15% Butane in N2 (1)
15% Carbon Dioxide in Nitrogen (1)
15% O2/60 ppm CO/20 ppm H2S/1.45% CH4 (1)
15% Propane in N2 (1)
2 % Methane in Air (1)
2.2% Methane (CH4) (1)
2.5% Carbon Dioxide in Air (1)
2.5% CO2/20 ppm H2S/60 ppm CO/15% O2 (1)
2.5% Methane, 15% Oxygen, 60 ppm Carbon Monoxide, Nitrogen (1)
200 ppm Carbon Monoxide (2)
3.3% Carbon Monoxide, 2.5% Methane in N2 (1)
5 ppm Nitrogen Dioxide (NO2) (1)
5 ppm Phosphine (PH3) (1)
5 ppm Sulfur Dioxide (SO2) (1)
50% vol CH4 in N2 (1)
60 ppm CO/1.45% LEL/15 O2/20 ppm H2S/10 ppm SO2 (1)
8% Butane in N2 (1)
8% Propane in N2 (1)
> 25 ppm Hydrogen Sulfide (H2S) (1)
All gases except: NH3, CL2, NO, NO2, HCL, HCN (0)
Ammonia (NH3 100 ppm) (1)
Ammonia (NH3 25 ppm) (1)
Ammonia (NH3 50 ppm) (2)
Ammonia (NH3) 50 ppm (3)
Ammonia, Air (1)
Benzene (C6H6) (1)
Benzene (C6H6) 5 ppm (2)
Butadiene (C4H6) 5 ppm (1)
Butane, Carbon Dioxide, Nitrogen (1)
C4H8 (Isobutylene) 100 ppm (1)
Carbon Dioxide (CO2 1% v/v) (1)
Carbon Dioxide (CO2 1.0%/vol. / 10000 ppm) (1)
Carbon Dioxide (CO2 1.5% Vol.) (1)
Carbon Dioxide (CO2 2% Vol.) (1)
Carbon Dioxide (CO2 2%) (1)
Carbon Dioxide (CO2 2.5% Vol.) (1)
Carbon Dioxide (CO2) 5000 ppm (2)
Carbon Dioxide in Air (1)
Carbon Dioxide, 2.5% Methane in Nitrogen (1)
Carbon Dioxide, Hydrogen Sulfide, Nitrogen (2)
Carbon Dioxide, Nitrogen Dioxide, Nitrogen (3)
Carbon Monoxide (CO 100 ppm) (2)
Carbon Monoxide (CO 250 ppm) (1)
Carbon Monoxide (CO) 100 ppm (2)
Carbon Monoxide (CO) 250 ppm (1)
Carbon Monoxide (CO) 50 ppm (24)
Carbon Monoxide, 2.5% Methane, 15% Oxygen, 20PPM Hydrogen Sulfide, Nitrogen (1)
Carbon Monoxide, Air (8)
Carbon Monoxide, Methane, Oxygen, Hydrogen Sulfide, Carbon Dioxide, Nitrogen Mixture (1)
Carbon Monoxide, Methane, Oxygen, Nitrogen (1)
Carbon Monoxide, Oxygen, Nitrogen Mixture (1)
CH4 (1.25% / 50% LEL pentane equivalent) (2)
CH4 (2.5% / 50% LEL) (1)
CH4 (2.5%) (6)
Chlorine (Cl2 10 ppm) (1)
Chlorine (CL2 2 ppm) (1)
Chlorine (Cl2 2 ppm) (1)
Chlorine (Cl2 5 ppm) (3)
Chlorine (Cl2) 10 ppm (3)
Chlorine (Cl2) 2 ppm (3)
Chlorine (Cl2) 5 ppm (1)
Chlorine, Nitrogen (3)
Cl2 (10 ppm) (1)
Cl2 (Chlorine) 10 ppm (1)
Cl2 10 ppm (1)
CL2 in N2 10 ppm (1)
CL2, Carbon Monoxide, Nitrogen (1)
CO (100 ppm) (3)
CO (50 ppm) / O2 (18.0%) (2)
CO (Carbon Monoxide) 10 ppm (1)
CO (Carbon Monoxide) 20 ppm (1)
CO 100 ppm (1)
CO 20 ppm (1)
CO 200 ppm (1)
CO 20ppm (1)
CO 95 ppm (1)
CO2 (Carbon Dioxide) 4% vol 40000 ppm (1)
CO2 5% (1)
CO2 5000 ppm (1)
DiNitrogen (N2) (1)
Ethylene Oxide (ETO 10 ppm) (1)
Ethylene Oxide (EtO) 10 ppm (1)
ETO 5 ppm (1)
H2S (2)
H2S (25 ppm) (3)
H2S (25 ppm); (1)
H2S (40 ppm) (1)
H2S (Hydrogen Sulfide) 20 ppm (1)
H2S 20ppm (1)
H2S 40 ppm (1)
H2S 75 ppm (1)
H2S in N2 40 ppm (1)
HCN (Hydrogen Cyanide) 20 ppm (1)
HCN 10 ppm (1)
Hexane (C6H14) 0.24% (1)
Hexane 10 ppm (1)
Hydrogen (H) 200 ppm (2)
Hydrogen (H2 1000 ppm) (1)
Hydrogen (H2 2.0%) (1)
Hydrogen (H2 500 ppm) (1)
Hydrogen Chloride (1)
Hydrogen chloride (HCl 10 ppm) (1)
Hydrogen Chloride (HCl) 10 ppm (2)
Hydrogen Cyanide (HCN 10 ppm) (2)
Hydrogen Cyanide (HCN 10P ppm) (1)
Hydrogen Cyanide (HCN) 10 ppm (3)
Hydrogen Cyanide, Nitrogen (2)
Hydrogen Sulfide (25 ppm) (1)
Hydrogen Sulfide (H2S 10 ppm) (1)
Hydrogen Sulfide (H2S 25 ppm) (4)
Hydrogen Sulfide (H2S 25 ppm) (1)
Hydrogen Sulfide (H2S 50 ppm) (2)
Hydrogen Sulfide (H2S) 10 ppm (4)
Hydrogen Sulfide (H2S) 25 ppm (3)
Hydrogen Sulfide, Nitrogen (10)
Hydrogen Sulfide, Sulfur Dioxide, Nitrogen (2)
Hydrogen, Air (3)
Isobutylene (100 ppm) (4)
Isobutylene (100 ppm) Oxygen (O2 18.0% v/v) (1)
Isobutylene (C4H8) 10 ppm (3)
Isobutylene (C4H8) 100 ppm (4)
Isobutylene (C4H8) 1000 ppm (2)
Isobutylene (C4H8) 2000 ppm (1)
Isobutylene (C4H8) 50 ppm (1)
Isobutylene 10 ppm (2)
Isobutylene 100 ppm (2)
Isobutylene 1000 ppm (1)
Isobutylene, Air (1)
Methane (1)
Methane (CH4 1.25% / 50% LEL pentane equivalent) (2)
Methane (CH4 2.2% Vol.) (1)
Methane (CH4 2.5% / 50% LEL) (1)
Methane (CH4 2.5% v. / 50% LEL) (3)
Methane (CH4 2.5% Vol.) (3)
Methane (CH4 50% LEL) (1)
Methane (CH4 propane equivalent 1.25% v/v / 50% LEL) (1)
Methane (CH4 propane equivalent 1.62% v/v 50% LEL) (1)
Methane (CH4) 1.00% (4)
Methane (CH4) 2.5% (1)
Methane (CH4) 2.50% (2)
Methane (CH4) 20% (1)
Methane (LEL) (1)
Methane 50% LEL (CH4 2.2%) (1)
Methane 50% LEL (CH4 2.2%) Oxygen (O2 18%) (1)
Methane as Pentane Simulant (1)
Methane, Air (4)
Methane, Carbon Monoxide, Oxygen, Hydrogen Sulfide, Nitrogen (1)
Methane, Carbon Monoxide, Oxygen, Nitrogen, Hydrogen Sulfide (1)
Methane, Nitrogen (1)
Methane, Oxygen, Carbon Monoxide (2)
Methane, Oxygen, Carbon Monoxide, Carbon Dioxide, Nitrogen (1)
Methane, Oxygen, Carbon Monoxide, Hydrogen Sulfide (1)
Methane, Oxygen, Carbon Monoxide, Hydrogen Sulfide, Carbon Dioxide, Nitrogen (1)
Methane, Oxygen, Carbon Monoxide, Hydrogen Sulfide, Nitrogen (5)
Methane, Oxygen, Carbon Monoxide, Nitrogen (3)
Methane, Oxygen, Carbon Monoxide, Nitrogen Dioxide (4)
Methane, Oxygen, Carbon Monoxide, Nitrogen Dioxide 60 ppm (1)
Methane, Oxygen, Hydrogen Sulfide, Nitrogen (5)
Methane, Oxygen, Nitrogen (2)
Methane, Oxygen, Nitrogen Mixture (1)
N 99.999% (1)
NH3 (Ammonia) 100 ppm (1)
NH3 50 ppm (1)
NH3 in N2 25 ppm (1)
Nitorgen (N 99.8% v/v) (1)
Nitric Oxide (NO 100 ppm) (1)
Nitric Oxide (NO 30 ppm) (1)
Nitric oxide (NO 50 ppm) (1)
Nitric Oxide (NO) 25 ppm (3)
Nitric Oxide, Air (1)
Nitric Oxide, Nitrogen (1)
Nitrogen (1)
Nitrogen (N) 100% (2)
Nitrogen (N) Dioxide 5 ppm (1)
Nitrogen (N2 100%) (2)
Nitrogen (N2 99.9%+ v/v O2 < 0.1% v/v) (1)
Nitrogen Dioxide (NO2 10 ppm) (3)
Nitrogen Dioxide (NO2 25 ppm) (1)
Nitrogen Dioxide (NO2 5 ppm) (1)
Nitrogen Dioxide (NO2) 5 ppm (2)
Nitrogen Dioxide, Air (4)
Nitrogen Dioxide, Oxygen, Nitrogen Mixture (1)
Nitrogen, Oxygen, Carbon Monoxide 20 ppm (1)
Nitrogen, Pure Gas (1)
O2 (18.0%) (5)
O2 10% (1)
O2 15% (1)
O2 18% (6)
O2 19% (1)
O2 20.9% (1)
Oxygen (20.8%) (1)
Oxygen (O2 17% Vol.) (1)
Oxygen (O2 18.0%) (1)
Oxygen (O2) 19% (1)
Oxygen (O2) 20.90% (1)
Oxygen, Methane, Hydrogen, Carbon Monoxide 50 ppm (1)
Oxygen, Nitrogen (5)
Oxygen, Nitrogen Mixture (1)
Oxygen, Nitrogen Mixture ,<1 ppm (1)
Pentane (C5H12 0.75% v. / 50% LEL) (1)
Pentane (C5H12) 25% (2)
Pentane Simulant (Methane), Oxygen, Carbon Monoxide, Hydrogen Sulfide, Nitrogen (1)
Pentane, Air (2)
Pentane, Oxygen, Carbon Monoxide, Hydrogen Sulfide, Nitrogen (2)
Pentane, Oxygen, Carbon Monoxide, Nitrogen (2)
Pentane, Oxygen, Nitrogen (1)
PH3 5 ppm (1)
Phosphine (PH3 1 ppm) (1)
Phosphine (PH3 5 ppm) (2)
Phosphine (PH3) 5 ppm (1)
Phosphine, Nitrogen (2)
Phospine (PH3) 5 ppm (2)
Propane (C3H8 1.0% v. / 50% LEL) (1)
Propane (C3H8) 100 ppm (1)
Propane 100 ppm (1)
Propane, Air (2)
Propane, Oxygen, Carbon Monoxide (1)
SO2 (Sulfur Dioxide) 10 ppm (1)
SO2 5 ppm (1)
Sulfur Dioxide (SO2 10 ppm) (6)
Sulfur Dioxide (SO2 20 ppm) (1)
Sulfur Dioxide (SO2 25 ppm) (1)
Sulfur Dioxide (SO2 5 ppm) (1)
Sulfur Dioxide (SO2) 5 ppm (2)
Sulfur Dioxide, Air (2)
Sulfure Dioxide (SO2) 5 ppm (1)
Zero Air (2)
Zero air (2)
Zero Air (20.9%) (2)
Zero air (O2 20.9% v/v) (1)

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image of BW Technologies 34 L Calibration Gas CG2-K-0.75-34 - Pentane (C5H12 0.75% v./50% LEL) - Balance air - For Use With Requires REG-DF-3 or REG2-0.5

CG2-K-0.75-34

BW Technologies 34 L Calibration Gas CG2-K-0.75-34 - Pentane (C5H12 0.75% v./50% LEL) - Balance air - For Use With Requires REG-DF-3 or REG2-0.5

$97.00 / Each

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Have questions? Please call us at: 1-877-774-8443

Copyright © 1997-2024 R.S. Hughes Co., Inc. All Rights Reserved