Gas Detector Tubes 

Chemical detector tubes offer a quick, economical, and reliable method for measuring flammable and toxic gases and vapours without needing a lab, calibration, or power.

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Uniphos Detector Tubes


Uniphos detector tubes offer easy chemical measurement in gas samples. Pre-calibrated and maintenance-free, they come in over 250 options for more than 150 chemicals and concentration ranges.


Gas List

The ASP-40 precision piston hand pump is recommended for use with Uniphos indicator tubes; however, they can also be used with GasTester and Kwik Draw hand and electric pumps. The indicator tubes we offer are characterised by long durability, high quality confirmed by manufacturer's tests, and a wide measurement range for each of the measured substances.


Due to their properties, indicator tubes are used in various settings. Most often in industrial plants, especially in the chemical industry, but also in sewage treatment plants, power plants, metalworks, and petrochemical plants. They are frequently used by fire brigades and rescue teams at sites of fires, accidents, or chemical leaks.


Uniphos indicator tubes enable the measurement of gas concentrations in the atmosphere in a very simple and reliable way. They do not require calibration by the user and are characterised by high measurement accuracy.


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Gas List

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Acetic Acid

2.5-50

SAA-2

CF000001

Acetone

50-4000

SAC-5

CF000002

Acetylene

100-5000

SAL-5

CF000003

Acetaldehyde

10-300

SAT-4M

CF000621

Acid Gases

2-40

1-80

SAG-2

CF000680

Acrolien

10-800

SAE-4

CF000745

Acrylonitrile (DB)

5-120

SAN-4L

CF000004

Amines

5-100

2.5-200

SMA-3

CF000668

Ammonia

2.5-50

1.25-100

SAM-2

CF000005

Ammonia

5-100

2.5-200

SAM-3

CF000006

Ammonia

10-300

5-600

SAM-4M

CF000007

Ammonia

50-1000

25-2000

SAM-4

CF000008

Ammonia

250-5000

125-10000

SAM-5

CF000009

Ammonia

0.5-10%

0.25-20%

SAM-8M

CF000010

Ammonia

1-30%

0.5-60%

SAM-9

CF000011

Aniline

2-30

SAI-2

CF000013

Arsine

1-30

0.5-60

SAR-2

CF000014

Aviation Oil

0.1-5 mg/l

SAO-4

CF000015

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Benzene (DB)

0.25-12

SBE-2L

CF000016

Benzene (DB)

0.2-15

0.1-75

SBE-2M

CF000832

Benzene

2.5-50

1.25-100

SBE-2

CF000017

Benzene

5-100

2.5-200

SBE-3

CF000018

Bromine

1-20

SBR-2M

CF000019

Bromine

5-100

SBR-3

CF000020

n – Butane

50-1400

SBT-5M

CF000627

1 – Butanol

10-150

SNB-4L

CF000612

2 – Butanol

10-150

SIB-4L

CF000557

1,3 Butadiene (DB)

1-20

SBU-2M

CF000021

1,3 Butadiene (DB)

5-100

SBU-3

CF000022

n – Butyl Amine

5-100

SMA-3

CF000668

Butyl Acetate

0.005-1%

SBA-6

CF000023

Butyl Acrylate

5-60

SBC-3L

CF000024

Gas Name: C

Substance

Standard Range

Extended
Range 

Tube Name

Ordering Code

Data
Sheet

MSDS

Carbon
Dioxide

100-5000

50-10000

SCD-5.2

CF000773

Carbon
Dioxide-HP

200 – 3000
ppm

ACD-5

CF001182

Carbon
Dioxide

300-5000

150-10000

SCD-5

CF000025

Carbon
Dioxide

0.03-0.5%

0.015-1%

SCD-5.1

CF000026

Carbon
Dioxide

0.25-3%

0.125-6%

SCD-7

CF000027

Carbon
Dioxide

0.5-10%

0.25-20%

SCD-8M

CF000028

Carbon
Dioxide

1-20%

0.5-40%

SCD-8

CF000029

Carbon
Dioxide

5-60%

2.5-60%

SCD-10

CF000030

Carbon Disuphide
(DB)

2.5-50

1.25-100

SCS-2

CF000032

Carbon Disuphide
(DB)

5-100

2.5-200

SCS-3

CF000033

Carbon Disuphide
(DB)

50-1600

SCS-5M

CF000034

Carbon
Monoxide

1-30

SCO-2

CF000753

Carbon
Monoxide

5-100

SCO-3

CF000035

Carbon Monoxide-HP

5 – 50 ppm

ACO-2

CF001184

CO In H2

5-100

SCH-3

CF000036

Carbon
Monoxide

25-600

12.5-1200

SCO-4M

CF000037

Carbon
Monoxide

50-1000

5-2000

SCO-4

CF000038

Carbon
Monoxide

100-3000

50-6000

SCO-5

CF000039

CO In H2

100-3000

SCH-5

CF000642

Carbon
Monoxide

0.01-0.7%

0.005-1.4%

SCO-6M

CF000040

Carbon
Monoxide

0.1-7%

SCO-7

CF000750

Carbon
Monoxide

1-20%

0.5-20%

SCO-8

CF000042

Carbon Tetra
Chloride (DB)

1-60

SCT-3L

CF000043

Carbonyl Sulphide
(DB)

5-100

2.5-200

SCU-3

CF000044

Chlorine

0.25-5

0.12-10

SCL-1M

CF000045

Chlorine

2.5-50

1.25-100

SCL-2

CF000046

Chlorine

5-100

2.5-200

SCL-3

CF000047

Chlorine

50-500

25-1000

SCL-4M

CF000048

Chlorine
Dioxide

0.1-5

0.05-10

SCI-1M

CF000706

Chlorine
Dioxide

100-4000

50-8000

SCI-5

CF000796

Chlorobenzene

10-200

5-400

SCB-4L

CF000049

Chloroform
(DB)

10-100

SCF-3

CF000790

Cyclohexane

10-1200

SCY-5L

CF000050

Cyclohexane

0.025-0.6%

SCY-6L

CF000051

Cyclohexyl
Amine

0.5-30

SCA-2

CF000656

Cyclohexanone

2-100

SCN-3

CF000052

Chloropicrin
(DB)

0.1-16

SCP-2M

CF000718

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

D.M.F. (DB)

2-30

SMF-2

CF000053

1 , 4 Dioxane

0.07-4%

SEO-7

CF000624

Diesel

0.1-5 mg/l

SDL-4

CF000054

Diethyl Amine

2-20

1-40

SDA-2M

CF000055

Diethyl Ether

0.04-1%

SDE-6

CF000056

1,2 Dichloro Benzene

10-300

SDB-4M

CF000709

1,2 Dichloro Ethane

1-50

SDC-2

CF000817

1,2 Dichloroethylene

20-400

10-800

SDH-4M

CF000742

Dimethyl Sulphide (DB)

1 – 20

SDS-2M

CF000802

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Ethyl Acetate

0.1-5%

SEA-7

CF000063

Ethylamine (Amine Tube)

4.5-90

SMA-3

CF000668

Ehtyl Benzene

5-150

2.5-300

SEB-4L

CF000057

Ehtyl Benzene

30-400

SEB-4M

CF000058

Ehtyl Formate

20-500

SEF-4M

CF000630

Ethylene Dibromide (DB)

1-50

0.5-100

SED-2

CF000688

Ethylene Glycol (DB)

10-100 mg/m3

SEG-2

CF000757

Ethylene Oxide (DB)

0.1-10

SEO-1

CF000776

Ethylene Oxide (Db)

1-100

SEO-3

CF000748

Ethylene Oxide

0.05-3%

0.025-6%

SEO-7

CF000624

Ehtyl Mercaptan

1-20

0.5-40

SEM-2M

CF000059

Ehtyl Mercaptan

5-120

2.5-240

SEM-4L

CF000060

Ehtyl Mercaptan

25-500

12.5-500

SEM-4M

CF000061

Ehtyl Mercaptan In LPG

2-80

SEM-(3M)

CF000784

Ethanol

0.05-5%

SET-7

CF000062

Ethanol

100-5000

SET-5

CF000901

Ethanol Amine

18.5 -370

SMA-3

CF000668

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Formaldehyde

0.1-5

SFO-1M

CF000735

Formaldehyde

5-100

2.5-200

SFO-3

CF000065

Formic Acid

1-15

SFA-2M

CF000066

Furan

0.01-1%

SFU-6

CF000665

Furfural

1-16

SFL-2M

CF000067

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Gasoline

0.03-0.6%

SGA-6L

CF000636

General Hydro Carbon

10-1200

SHE-5L

CF000068

General Hydro Carbon

0.025-0.6%

SHE-6L

CF000069

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

n – Heptane (Gen. Hydro. )

15-1800

SHE-5L

CF000068

n – Heptane (Gen. Hydro. )

0.05-1.41%

SHE-6L

CF000069

n – Hexane

10-1200

SHE-5L

CF000108

n – Hexane

0.025-0.6%

SHE-6L

CF000109

Hydrazine

0.1-2

SHY-1L

CF000070

Hydrogen (5 tubes/PKT)

0.05-0.8%

SHD-6M

CF000659

Hydrogen Chloride

0.5-10

0.25-75

SHC-1

CF000071

Hydrogen Chloride(DB)

2-20

1-40

SHC-2M

CF000072

Hydrogen Chloride

1-20

0.2-40

SHC-2M.1

CF001070

Hydrogen Chloride(DB)

5-100

2.5-200

SHC-3

CF000073

Hydrogen Chloride

50-1000

25-2000

SHC-4

CF000074

Hydrogen Chloride

100-5000

50-5000

SHC-5

CF000962

Hydrogen Cyanide

2.5-50

1.25-100

SHN-2

CF000075

Hydrogen Cyanide

5-100

2.5-200

SHN-3

CF000076

Hydrogen Cyanide

50-1000

SHN-4

CF000077

Hydrogen Fluoride

0.5-30

0.5-60

SHF-2

CF000078

Hydrogen Peroxide

0.5-10

SHP-1

CF000926

Hydrogen Sulphide

0.5-10

SHS-1

CF000079

Hydrogen Sulphide

0.5-7

0.25-14

SHS-1H

CF000727


Hydrogen Sulphide In NG

0.5-7

0.25-14

SHS-(1H)

CF000758

Hydrogen Sulphide

1-30

0.25-60

SHS-2

CF000080

Hydrogen Sulphide

2.5-60

0.25-120

SHS-3L

CF000081

Hydrogen Sulphide

5-100

2.5-200

SHS-3

CF000082

Hydrogen Sulphide

10-250

1-500

SHS-4L

CF000647

Hydrogen Sulphide

50-800

25-1600

SHS-4

CF000085

Hydrogen Sulphide

100-2000

10-4000

SHS-5M

CF000086

Hydrogen Sulphide

0.1-2%

0.05-4%

SHS-7M

CF000087

Hydrogen Sulphide

0.5-4%

0.25-8%

SHS-7

CF000088

Hydrogen Sulphide

0.2-7%

0.1-14%

SHS-8L

CF000089

Hydrogen Sulphide

0.5-10%

0.25-20%

SHS-8M

CF000090

Hydrogen Sulphide

2-40%

1-40%

SHS-9

CF000091

SO2 + H2S (DB)   

2.5-60 / 0.5-10

SHS-3L + SSD-1

CF000092


Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Isopropyl Alcohol

0.1-2.5%

SIP-7M

CF000093

Isopropyl Amine

2.5-50

SIA-2

CF000094

Isopropyl Ether

0.013-0.34%

SDE-6

CF000095

LP Gas

100-5000

SLP-5

CF000937

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Maleic Anhydride

1-20

SAA-2

CF000096

Multi Gases

Qualitative  Type

SMG-1

CF000697

Methylene Chloride (DB)

10-60

SMC-3L

CF000793

Methylene Chloride (DB)

50-500

SMC-4M

CF000639

Methylene Chloride (DB)

30-1000

SMC-4

CF000762

Methyl Cyclohexane

50-1600

SMY-5M

CF000782

Mercury Vapour

0.1-2 mg/m3

0.1-7 mg/m3

SHG-1L

CF000097

Methanol

100-5000

SME-5

CF000098

Methanol

0.05-6%

0.05-12%

SME-8L

CF000099

Methyl Amine

5-100

2.5-200

SMA-3

CF000668

Methyl Bromide (DB)

1-18

0.5-80

SMB-2M

CF000100

Methyl Bromide (DB)

10-100

5-200

SMB-3

CF000101

Methyl Bromide (DB)

20-300

10-600

SMB-4M

CF000102

Methyl Bromide (DB)

50-1000

25-2000

SMB-4

CF000103

Methyl Iodide

500-15000

SMO-7M

CF000779

Methyl Ethyl Ketone

0.02-0.6%

SMK-6L

CF000104

Methyl Mercaptan

1-20

0.5-40

SMM-2M

CF000105

Methyl Mercaptan

5-120

2.5-240

SMM-4L

CF000106

MIBK

0.02-0.6%

SMI-6L

CF000107

Morpholine

10-200

SMA-3

CF000668

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Napthalene

10-100

SNP-3

CF001013

Nitric Acid

1-20

0.5-40

SNA-2M

CF000110

Nitrogen Dioxide

0.5-30

SND-2

CF000111

Nitrogen Dioxide

10-1000

SND-4

CF000112

Nitrogen Oxide

0.5-15

SNO-2M

CF000113

Nitrogen Oxide

1-30

SNO-2

CF000826

Nitrogen Oxide

(5)-250

SNO-4L

CF000662

Nitrogen Oxide

100-2500

SNO-5M

CF000114

NO2 & NO

2.5-200

SND-NO-4L

CF000908

Substance

Standard Range

Extended
Range 

Tube Name

Ordering Code

Data
Sheet

MSDS

Oil Mist-HP

0.2 – 5 mg/m3

AOM-1L

CF001143

O – Cresol

1-25

0.5-50

SCR-2M

CF000633

Octane

3-23 mg/l

SOC-5

CF000115

Oxygen (5
Tubes/PKT)

3-24%

SOX-9M

CF000116

Ozone

5-100

1.25-200

SOZ-3

CF000117

Ozone

25-500

12.5-1000

SOZ-4M

CF000118

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

n -Pentane (Gen. Hydro. Tube)

7-840

SHE-5L

CF000068

n -Pentane (Gen. Hydro. Tube)

0.0085-0.2%

SHE-6L

CF000069

Phenol

1-25

0.5-50

SPE-2M

CF000119

Phosgene

0.1-10

0.1-20

SPG-1

CF000120

Phosphine

0.05-2.5

0.05-5

SPH-1L

CF000123

Phosphine

0.3-5

SPH-1M

CF000124

Phosphine

0.1-10

0.05-20

SPH-1

CF000125

Phosphine

5-100

2.5-200

SPH-3

CF000126

Phosphine

50-1000

25-2000

SPH-4

CF000127

Phosphine

150-3000

75-3000

SPH-5

CF000128

Phosphine

300-8000

150-8000

SPH-6M

CF000738

Pyridine

1-14

SPY-2M

CF000766

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Stoddard Solvent

50-8000 mg/m3

SSS-5M

CF000129

Sulphur Dioxide

0.5-10

0.25-20

SSD-1

CF000130

Sulphur Dioxide

1-25

0.5-50

SSD-2M

CF000131

Sulphur Dioxide

5-100

2.5-200

SSD-3

CF000132

Sulphur Dioxide

20-300

10-600

SSD-4M

CF000133

Sulphur Dioxide

500-8000

250-16000

SSD-6M

CF000134

Sulphur Dioxide

0.1-3%

0.05-6%

SSD-7M

CF000136

Sulphur Dioxide

0.25-5%

0.125-10%

SSD-7

CF000137

Sulphuric Acid

0.5-5 mg/m3

SSA-1L

CF000700

Styrene

5-250

2.5-500

SST-4L

CF000787

Substance

Standard Range

Extended Range 

Tube Name

Ordering Code

Data Sheet

MSDS

Tert Butyl Mercaptan

0.5-15 mg/m3

SMB-1M

CF000694

Tert Butyl Mercaptan

0.5-30 mg/m3

SBM-1

CF000138

Tert Butyl Mercaptan

0.13-8

SBM-1

CF000823

Tert. Butyl Methyl Ether

5-100

2.5-200

STB-3

CF000971

Tetra Chloro Ethylene  (DB)

5-100

STE-3

CF000685

Tetra Hydro Furan

50-800

STH-4

CF000140

Toluene

2-50

STO-2

CF000141

Toluene

10-300

5-600

STO-4M

CF000142

1,1,1 Trichlorethane

100-500

SCT-4M

CF000813

Trichloroethylene (DB)

1-16

0.5-32

SCE-2M

CF000671

Trichloroethylene (DB)

20-250

SCE-4L

CF000143

Trichloroethylene (DB)

0.05-1%

SCE-6

CF000144

Triethyl Amine

3.35-67

SMA-3

CF000668

Trimethyl Amine

1.9-38

SMA-3

CF000668

1,2,4 Trimethyl Benzene

10-250

SLB-4L

CF001003

UDMH

0.1-2

SHY-1L

CF000724

Vinyl Chloride

1-20

SVC-2M

CF000650

Vinyl Chloride

0.05-1.0%

SVC-6

CF000691

Substance

Standard
Range

Extended
Range 

Tube
Name

Ordering Code

Data Sheet

MSDS

Water Vapour

0.1-2 mg/l

SWA-5

CF000145

Water Vapour

1-18 mg/l

SWA-7M

CF000146

Water Vapour

1-30 mg/l

SWA-7

CF000147

Water Vapour

2-10 lb/mmcf

3-80 lb/mmcf

SWA-4L

CF000712

Water Vapour

6-40 lb/mmcf

3-80 lb/mmcf

SWA-4

CF000715

Water Vapour

62.5-1125 lb/mmcf

SWA-7M/lb

CF000882

Water Vapour-HP

10 – 80 mg/m3

AWA-4L

CF001186

Water Vapour

62.5-1875 lb/mmcf

SWA-7/lb

CF000884

Xylene

25-1000

25-2000

SXY-4

CF000148

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