检测范围	10-50 ppm	50-500 ppm	500-1000 ppm
抽气次数	2-5	1	1/2
修正系数	1/2-1/5	1	2
取样时间	45 秒钟/次	45 秒钟/次	45 秒钟/次
检测限度	2 ppm (n=5)	2 ppm (n=5)	2 ppm (n=5)
颜色变化	紫色 → 黄色	紫色 → 黄色	紫色 → 黄色
反应原理	3NH₃ + H₃PO4 → (NH4)₃PO4	3NH₃ + H₃PO4 → (NH₄)₃PO4	3NH₃ + H₃PO4 → (NH₄)₃PO4
误差	5% (50-500 ppm)	5% (50-500 ppm)	5% (50-500 ppm)
保存期	3 年	3 年	3 年
温度湿度修正	不需修正	不需修正	不需修正
阴凉干燥处保存	阴凉干燥处保存	阴凉干燥处保存	阴凉干燥处保存
干扰及影响	干扰及影响	干扰及影响	干扰及影响
物质	浓度	影响	本身变化
二胺	1/8	+	黄色
一元胺	1/15	+	黄色
二氧化碳	1%	---	无
可以检测的其他物质	可以检测的其他物质	可以检测的其他物质	可以检测的其他物质
物质	修正系数	抽气次数	检测范围
三甲胺	0.5	1	25-250 ppm

选型指南

被检测物质名称

检测管型号及名称

检测范围

(ppm)

抽气次数

颜色变化

有效期

（年）

备注

职业卫生管理标准

英文名称

中文名称

初始颜色

变色

中国PC-TWA

(mg/m³)

美国 TLV-TWA

(ppm)

Ammonia

NH₃

氨

16-32%

1-16%

0.2-1%

1/2

①

2-5

紫色

黄色

3HM

氨

1.6-3.52%

0.05-1.6%

1/2

①

粉色

黄色

氨

500-1000

50-500

10-50

1/2

①

2-5

紫色

黄色

3La

氨

100-200

5-100

2.5-5

1/2

①

紫色

黄色

氨

30-78

1-30

0.5-1

1/2

①

粉色

黄色

180

胺类

1.5-30

粉色

黄色

T：温度修正 H：湿度修正 +：双管 ++：9 支检测管 * ：冷藏保存

深色 : 需使用修正系数或修正表LB/MMCF=Pound/Million Cubic Feet(1mg/L=62.3LB/MMCF)

※4：高湿度下或许会变为紫色。P：需使用热解管 No.840 和 GASTEC 手泵。

GASTEC检测表选型大全

检测管型号	可检测物质	分子式	检测范围
1HH	一氧化碳	CO	1-50%
1H	一氧化碳	CO	0.1-10%
1M	一氧化碳	CO	0.05-4%
1LM	一氧化碳	CO	25-2000
1L	一氧化碳	CO	2.5-2000
1La	一氧化碳	CO	8-1000
1LK	一氧化碳	CO	5-600
1LKC	一氧化碳	CO	5-100
1LL	一氧化碳	CO	5-50
1LC	Carbon Monoxide	CO	1-30
1D	Carbon Monoxide (Dosi tube)	CO	1.04-2000
1DL	Carbon Monoxide (Dosi tube)	CO	0.4-400
1A	Carbon Monoxide (Airtec tube)	CO	5-50
2HH	Carbon Dioxide	CO2	2.5-40％
2H	Carbon Dioxide	CO2	0.5-20％
2L	Carbon Dioxide	CO2	0.13-6％
2LL	Carbon Dioxide	CO2	300-5000
2LC	Carbon Dioxide	CO2	100-4000
2D	Carbon dioxide(Dosi tube)	CO2	0.02-12%
2HT	Carbon Dioxide	CO2	10-100%
2A	Carbon Dioxide (Airtec tube)	CO2	250-3000
2Ag	Carbon Dioxide(Airtec tube)	CO2	200-3000
3H	Ammonia	NH3	0.2-32%
3HM	Ammonia	NH3	0.05-3.52%
3M	Ammonia	NH3	10-1000
3La	Ammonia	NH3	2.5-200
3L	Ammonia	NH3	0.5-78
3D	Ammonia (Dosi tube)	NH3	2.5-1000
3DL	Ammonia (Dosi tube)	NH2	0.1-10
3S	Ammonia	NH2	0.5-5
4HT	Hydrogen Sulphide	H2S	1-40%
4HP	Hydrogen Sulphide	H2S	0.25-20%
4HH	Hydrogen Sulphide	H2S	0.1-4％
4H	Hydrogen Sulphide	H2S	10-4000
4HM	Hydrogen Sulphide	H2S	25-1600
4M	Hydrogen Sulphide	H2S	12.5-500
4L	Hydrogen Sulphide	H2S	1-240
4LL	Hydrogen Sulphide	H2S	0.25-120
4LK	Hydrogen Sulphide	H2S	1-40
4LB	Hydrogen Sulphide	H2S	0.5-12
4LT	Hydrogen Sulphide	H2S	0.05-4
4TP	Hydrogen Sulphide	H2S	0.1-2.88
4D	Hydrogen Sulphide(Dosi tube)	H2S	0.2-200
4S	Hydrogen Sulphide	H2S	10-200ppb
5H	Sulphur Dioxide	SO2	0.05-8%
5M	Sulphur Dioxide	SO2	20-3600
5L	Sulphur Dioxide	SO2	1.25-200
5La	Sulphur Dioxide	SO2	0.5-60
5LC	Sulphur Dioxide	SO2	0.1-25
5Lb	Sulphur Dioxide	SO2	0.05-10
5D	Sulphur Dioxide(Dosi tube)	SO2	0.2-100
5DH	Sulphur Dioxide (Dosi tube)	SO2	10-600
6	Water Vapor	H2O	0.5-32mg/L
6L	Water Vapor	H2O	0.05-2mg/L
6LP	Pipeline Dew point Tube	H2O	3-100LB/MMCF
6LLP	Pipeline Dew Point Tube	H2O	2-10LB/MMCF
6AH	Water Vapour (Airtec tube)	H2O	500-5000
6A	Water Vapour (Airtec tube)	H2O	10-80mg/m
6Ag	Water Vapour (Airtec tube)	H2O	150–3000mg/m
7H	Phosphine	PH3	200-5500
7J	Phosphine	PH3	2.5-1000
7	Phosphine	PH3	2.5-100
7L	Phosphine	PH3	0.15-5
7LA	Phosphine	PH3	0.05-9.8
8HH	Chlorine	Cl2	0.25-10%
8H	Chlorine	Cl2	25-1000
8La	Chlorine	Cl2	0.1-16
8LL	Chlorine	Cl2	0.025-2.0
8TP	Chlorine	Cl2	0.05-0.6
8D	Chlorine(Dosi tube)	Cl2	0.08-100
9L	Nitrogen Dioxide	NO2	0.5-125
9P	Nitrogen Dioxide	NO2	0.02-0.20
9D	Nitrogen Dioxide(Dosi tube)	NO2	0.1-30
9DL	Nitrogen Dioxide(Dosi tube)	NO2	0.01-3.0
10	NO&NO2 (Separate Quantification)	NO&NO2	2.5-200
11HA	Nitrogen Oxides(Total Quantification)	NO+NO2	50-2500
11S	Nitrogen Oxides(Total Quantification)	NO+NO2	5-625
11L	Nitrogen Oxides(Total Quantification)	NO+NO2	0.03-14
11A	Nitrogen Oxides(Airtec tube)	NO+NO2	0.02-2
12H	Hydrogen Cyanide	HCN	0.05-1.6％
12M	Hydrogen Cyanide	HCN	17-2400
12L	Hydrogen Cyanide	HCN	0.5-150
12LL	Hydrogen Cyanide	HCN	0.2-10
12TP	Hydrogen Cyanide	HCN	0.3-9.0
12D	Hydrogen Cyanide(Dosi tube)	HCN	1-200
13M	Carbon Disulphide	CS2	20-4000
13	Carbon Disulphide	CS2	0.63-100
13L	Carbon Disulphide	CS2	0.1-8.1
14R	Hydrogen Chloride	HCl	50-5000
14M	Hydrogen Chloride	HCl	10-1000
14L	Hydrogen Chloride	HCl	0.2-76
14D	Hydrogen Chloride(Dosi tube)	HCl	1-100
15L	Nitric Acid	HNO3	0.1-40
16	Phosgene	COCl2	0.05-20
17	Hydrogen Fluoride	HF	0.25-100
17L	Hydrogen Fluoride	HF	0.09-72
17LL	Hydrogen Fluoride	HF	0.05-24
17TP	Hydrogen Fluoride	HF	0.05-9.0
17D	Hydrogen Fluoride(Dosi tube)	HF	1-100
18M	Ozone	O3	4-400
18L	Ozone	O3	0.025-6
19LA	Arsine	AsH3	0.04-10
21	Carbonyl Sulphide	COS	5-200
21LA	Carbonyl Sulphide	COS	2-125
22	Diborane	B2H6	0.02-5.0
23M	Chlorine dioxide	ClO2	0.1-10
23L	Chlorine dioxide	ClO2	0.025-1.2
25	Polytec II	-	Qualitative
26	Polytec III	-	Qualitative
27	Polytec IV	-	Qualitative
28	Polytec V	-	Qualitative
30	Hydrogen	H2	0.5-2%
31B	Oxygen	O2	3-24％
32	Hydrogen Peroxide	H2O2	0.5-10
32D	Hydrogen Peroxide(Dosi tube)	H2O2	0.5-40
35	Sulphuric Acid	H2SO4	0.5-5mg/m
40	Mercury Vapour	Hg	0.05-13.2mg/m
45H	Hydrogen Sulphide＋Sulphur Dioxide	H2S ＋ SO2	0.02-8.0%
45S	Hydrogen sulphide，Sulphur dioxide(Separate quantification)	H2S，SO2	SO2:0.25-20 H2S:1.25-120
51H	Fluorochlorocarbons	-	250-6000
51	Fluorochlorocarbons	-	10-400
51L	Fluorochlorocarbons	-	1-54
52	Nitro compounds	-	0.5-30
53	Dimethyl Sulphide	(CH3)2S	0.15-10
60	Phenol	C6H5OH	0.4-187
61	o-Cresol	C6H(4CH3)OH	0.4-62.5
70	Mercaptans	R·SH	0.5-120
70L	Mercaptans	R·SH	0.1-8
70LN	Mercaptans	R·SH	0.1-8
71H	Methyl Mercaptan	CH3SH	20-2700
71	Methyl Mercaptan	CH3SH	0.25-140
72	Ethyl Mercaptan	C2H5SH	0.5-120
72L	Ethyl Mercaptan	C2H5SH	0.2-75
72LN	Ethyl Mercaptan	C2H5SH	0.15-57.5
75	tert-Butyl Mercaptan	(CH3)3CSH	2.5-150mg/m
75LN	tert-Butyl Mercaptan	(CH3)3CSH	0.5-39mg/m
75L	tert-Butyl Mercaptan	(CH3)3CSH	0.5-30mg/m
75N	tert-Butyl Mercaptan	(CH3)3CSH	1.25-250mg/m
76H	Tetrahydrothiophene	C4H8S	10-200
76	Tetrahydrothiophene	C4H8S	1-10
76M	Tetrahydrothiophene	C4H8S	10-100mg/m
77	tert-Butyl Mercaptan and Dimethyl Sulphide	(CH3)3 and (CH3)2S	1-15mg/m
80	Acid Gases	-	1-80
81	Acetic Acid	CH3CO2H	1-100
81L	Acetic Acid	CH3CO2H	0.125-25
81D	Acetic Acid(Dosi tube)	CH3CO2H	0.5-100
91M	Formaldehyde	HCHO	8-6400
91	Formaldehyde	HCHO	2-100
91L	Formaldehyde	HCHO	0.1-40
91LL	Formaldehyde	HCHO	0.05-1
91P	Formaldehyde	HCHO	0.02-1.44
91PL	Formaldehyde	HCHO	0.01-0.80
91TP	Formaldehyde	HCHO	0.01-1.75
91D	Formaldehyde(Dosi tube)	HCHO	0.1-20
92	Acetaldehyde	CH3CHO	5-750
92M	Acetaldehyde	CH3CHO	2.5-100
92L	Acetaldehyde	CH3CHO	1-20
93	Acrolein	CH2:CHCHO	3.3-800
100A	LP-Gas	C3?C4	0.02-0.8%
100B	Propane	CH3CH2CH3	0.1-2.0%
101	Gasoline	CnHm	0.015-1.2％
101L	Gasoline	CnHm	30-2000
102H	Hexane	CH3(CH2)4CH3	0.015-1.2％
102L	Hexane	CH3(CH2)4CH3	4-1200
102TP	Hexane	CH3(CH2)4CH3	2-80
103	Hydrocarbons (Lower class)	C2-C7	0.05-2.4%
104	Butane	C4H10	25-1400
105	Hydrocarbons (Higher class)	C6-C10	100-3000
106	Petroleum naphtha	-	0.5-28mg/L
107	Polytec I	-	Qualitative
108	Qualitative Analysis Tube for Fire Investigation	-	Qualitative
109A	Oil mist (Airtec tube)	-	0.3-1.5mg/m
109AD	Oil mist (Airtec tube)	-	0.1-5.0mg/m
111	Methanol	CH3OH	0.002-4.5%
111L	Methanol	CH3OH	20-1000
111LL	Methanol	CH3OH	2-56
111TP	Methanol	CH3OH	20-300
112	Ethanol	C2H5OH	0.01-7.5%
112L	Ethanol	C2H5OH	50-2000
112D	Ethanol(Dosi tube)	C2H5OH	100-25000
113	Isopropyl Alcohol	CH3CH(OH)CH3	0.02-5.0％
113L	Isopropyl Alcohol	CH3CH(OH)CH3	20-800
113LL	Isopropyl Alcohol	CH3CH(OH)CH3	20-460
113TP	Isopropyl Alcohol	CH3CH(OH)CH3	20-400
114	1-Butanol	CH(3CH2)3OH	10-150
115	2-Butanol	CH3CH2CH(OH)CH3	5-150
116	Isobutyl alcohol	(CH3)2CHCH2OH	4-150
117	Isoamyl alcohol	(CH3)2CHCH2CH2OH	5-300
118	Cyclohexanol	C6H11OH	5-100
119	Methylcyclohexanol	CH3C6H10OH	5-100
120	Aromatic Hydrocarbons	-	0.4-200
121S	Benzene	C6H6	2-312
121	Benzene	C6H6	2.5-120
121SL	Benzene	C6H6	1-100
121L	Benzene	C6H6	0.1-65
121SP	Benzene	C6H6	0.2-66
121P	Benzene	C6H6	250-3000μg/m
121TP	Benzene	C6H6	0.1-14.5
122	Toluene	C6H5CH3	5-690
122L	Toluene	C6H5CH3	1-100
122P	Toluene	C6H5CH3	100-7000μg/m
122TP	Toluene	C6H5CH3	2-80
122DL	Toluene(Dosi tube)	C6H5CH3	2-500
123	Xylene	C6H4(CH3)2	5-625
123L	Xylene	C6H4(CH3)2	2-200
123TP	Xylene	C6H4(CH3)2	2-80
124	Styrene	C6H5CH:CH2	10-1500
124L	Styrene	C6H5CH:CH2	2-100
124S	Styrene	C6H5CH:CH2	0.2-4.0
126	Chlorobenzene	C6H5Cl	2-500
126L	Chlorobenzene	C6H5Cl	0.5-43
127	o-Dichlorobenzene	C6H4Cl2	2.5-300
127P	p-Dichlorobenzene	C6H4Cl2N	100-3000μg/m
128	Stoddard solvent	-	50-8000mg/m
130L	Vinylidene chloride	CH2:CCl2	0.4-40.6
131	Vinyl Chloride	CH2:CHCl	0.025-2%
131La	Vinyl Chloride	CH2:CHCl	0.25-54
131LB	Vinyl Chloride	CH2:CHCl	0.25-70
131L	Vinyl Chloride	CH2:CHCl	0.1-6.6
131P	Vinyl Chloride	CH2:CHCl	50-1500μg/m
131TP	Vinyl Chloride	CH2:CHCl	0.2-9.6
132HH	Trichloroethylene	Cl2C:CHCl	0.05-2.5％
132HA	Trichloroethylene	Cl2C:CHCl	20-1300
132M	Trichloroethylene	Cl2C:CHCl	2-250
132L	Trichloroethylene	Cl2C:CHCl	1-70
132LL	Trichloroethylene	Cl2C:CHCl	0.125-8.8
132P	Trichloroethylene	Cl2C:CHCl	20-1200μg/m
132TP	Trichloroethylene	Cl2C:CHCl	1-33
132D	Trichloroethylene(Dosi tube)	Cl2C:CHCl	3-300
133HA	Tetrachloroethylene	Cl2C:CCl2	7-900
133M	Tetrachloroethylene	Cl2C:CCl2	2-250
133L	Tetrachloroethylene	Cl2C:CCl2	1-75
133LL	Tetrachloroethylene	Cl2C:CCl2	0.1-9
133P	Tetrachloroethylene	Cl2C:CCl2	20-720μg/m
133TP	Tetrachloroethylene	Cl2C:CCl2	2.5-84
133D	Tetrachloroethylene(Dosi tube)	Cl2C:CCl2	3-150
134	Carbon Tetrachloride	CCl4	0.5-60
134L	Carbon Tetrachloride	CCl4	0.25-11
135	1，1，1-Trichloroethane	CH3CCI3	100-2000
135L	1，1，1-Trichloroethane	CH3CCI3	6-900
136H	Methyl Bromide	CH3Br	10-600
136L	Methyl Bromide	CH3Br	2.5-200
136LA	Methyl Bromide	CH3Br	1-36
136LL	Methyl Bromide	CH3Br	0.1-3.0
137	Chloroform	CHCl3	4-400
137LA	Chloroform	CHCl3	0.5-30
137LL	Chloroform	CHCl3	0.3-4.5
138	Methylene Chloride	CH2Cl2	20-500
138L	Methylene Chloride	CH2Cl2	4-150
139	1，2-Dichloroethylene	ClCH:CHCl	5-250
140	Aliphatic hydrocarbons	-	6-3000
141	Ethyl Acetate	CH3CO2C2H5	0.1-1.5％
141L	Ethyl Acetate	CH3CO2C2H5	20-800
142	Butyl Acetate	CH3CO(2CH2)3CH3	0.05-0.8％
142L	Butyl Acetate	CH3CO(2CH2)3CH3	10-300
143	Vinyl Acetate	CH3CO2CH:CH2	5-250
144	Isobutyl acetate	CH3CO2CH2CH(CH3)2	10-300
145	Propyl acetate	CH3CO2C3H7	20-500
146	Isopropyl acetate	CH3CO2CH(CH3)2	10-500
147	Amyl acetate	CH3CO2C5H11	10-200
148	Isoamyl acetate	CH3CO(2CH2)2CH(CH3)2	10-200
149	Methyl Methacrylate	CH2:C(CH3)CO2CH3	10-500
151	Acetone	CH3COCH3	0.05-2.0％
151L	Acetone	CH3COCH3	50-12000
151TP	Acetone	CH3COCH3	25-800
151D	Acetone(Dosi tube)	CH3COCH3	5-1500
152	Methyl Ethyl Ketone	CH3COC2H5	0.02-0.6％
152L	Methyl Ethyl Ketone	CH3COC2H5	10-384
152TP	Methyl Ethyl Ketone	CH3COC2H5	20-300
152D	Methyl Ethyl Ketone(Dosi tube)	CH3COC2H5	2-600
153	Methyl isobutyl ketone	(CH3)2CHCH2COCH3	0.05-0.6％
153L	Methyl isobutyl ketone	(CH3)2CHCH2COCH3	2.5-130
154	Cyclohexanone	C6H10O	2-75
155	Methylcyclohexanone	C7H12O	2-100
159	Tetrahydrofuran	C4H8O	20-800
159L	Tetrahydrofuran	C4H8O	5-232
161	Ethyl ether	(C2H5)2O	0.04-1.0%
161L	Ethyl ether	(C2H5)2O	10-1200
163	Ethylene Oxide	C2H4O	0.05-3.0％
163L	Ethylene Oxide	C2H4O	0.4-350
163LL	Ethylene Oxide	C2H4O	0.1-10
163TPM	Ethylene Oxide	C2H4O	1-50
163TP	Ethylene Oxide	C2H4O	0.1-5
165L	Ethylene Glycol	HOCH2CH2OH	10-100mg/m
171	Acetylene	HC≡CH	0.05-4.0%
172	Ethylene	CH2:CH2	25-1680
172L	Ethylene	CH2:CH2	0.2-100
174	1，3-Butadiene	CH2:CHCH:CH2	50-800
174L	1，3-Butadiene	CH2:CHCH:CH2	2.5-100
174LL	1，3-Butadiene	CH2:CHCH:CH2	0.5-5
174D	1，3-Butadiene(Dosi tube)	CH2:CHCH:CH2	1.3-200
180	Amines	CH3NH2 Calibration	5-100
180L	Amines	CH3NH2 Calibration	0.5-10
181	Aniline	C6H5NH2	1.25-60
182	Pyridine	C5H5N	0.2-35
183	N，N-Dimethylformamide	HCON(CH3)2	0.8-90
184	N，N-Dimethyl acetamide	CH3CON(CH3)2	1.5-240
185	Hydrazine	N2H4	0.05-2.0
191	Acrylonitrile	CH2:CHCN	2-360
191L	Acrylonitrile	CH2:CHCN	0.1-18
191TP	Acrylonitrile	CH2:CHCN	0.2-12.6
192	Methacrylonitrile	CH2:C(CH3)CN	0.2-32
193	2-Pentenenitrile	CH3CH2CH:CHCN	0.5-15.0
211H	Sulphide ion	S	10-1000
211M	Sulphide ion	S	2-300
211	Sulphide ion	S	1-100
211LL	Sulphide ion	S	0.5-20
218	Ozone	O3	1-10mg/L
221L	Chloride ion	Cl	25-1000mg/L
221LL	Chloride ion	Cl	10-200mg/L
222	Free residual chlorine	ClO	0.1-10mg/L
230H	Methyl iodide	CH3I	100-34800
230	Methyl iodide	CH3I	0.5-108
231	Sulphuryl fluoride	SO2F2	1-20
232	1，2-Dichloroethane	CICH2CH2CI	1-39
233	Chloropicrin	CCl3NO2	0.045-22
271	Mercury	Hg	1-20mg/L
273	Chromium (VI)	Cr	0.5-50mg/L
281	Iron ion	Fe	5-50mg/L
284	Copper	Cu+Cu	1-20mg/L
285	Zinc	Zn	3-20mg/L
291	Nickel	Ni	5-50mg/L

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