M - O

M N O


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Gas to be measured Chemical Formula Detector Tube Name (*) Measuring Range(ppm)
Maleic anhydride C4H2O3 216S MALEIC ANHYDRIDE 10 0.2-10ppm
Mercury vapour Hg 142S MERCURY VAPOUR 10 0.1-10mg/m3
Mesityl oxide CH3COCH=C(CH3)2 190U MESITYL OXIDE (+) 10 5-100ppm
Methacrylic acid CH2=C(CH3)COOH 216S METHACRYLIC ACID (+) 10 1-50ppm
1-Methoxy-2-propanol CH3CHOHCH2OCH3 197U CYCLOHEXANONE (-) 10 10-500ppm
Methyl acetate CH3CO2CH3 111SA METHYL ACETATE (+) 10 0.1-3.0%
Methyl acrylate CH2=CHCO2CH3 211U METHYL ACRYLATE 10 2-60ppm
Methyl alcohol CH3OH 119LPG METHANOL IN LP GAS 10 100-1000ppmw
    119SA METHYL ALCOHOL(METHANOL) 10 0.05-6.0%
    119U METHYL ALCOHOL(METHANOL) 10 20-1,000ppm
Methyl amine CH3NH2 227S METHYL AMINE 10 1-20ppm
n-Methyl aniline C6H5NHCH3 105SD N-METHYL ANILINE (+) 10 0.5-6.0ppm
Methyl bromide CH3Br 157JS METHYL BROMIDE 10 3-70g/m3
    157SA METHYL BROMIDE 5 10-500ppm
    157SB METHYL BROMIDE 5 0.4-80ppm
    157SD METHYL BROMIDE 5 0.1-22ppm
Methyl butyl ketone CH3(CH2)3COCH3 237S VINYL ACETATE (-) 10 5-80ppm
Methyl cellosolve CH3OCH2CH2OH 190U METHYL CELLOSOLVE 10 5-500ppm
Methyl cellosolve acetate CH3CO2CH2CH2OCH3 190U ETHYL CELLOSOLVE (+) 10 3-120ppm
Methyl cyclohexane C6H11CH3 113SB METHYL CYCLOHEXANE (+) 10 100-1,600ppm
Methyl cyclohexanol CH3C6H10OH 199U METHYL CYCLOHEXANOL 10 5-200ppm
Methyl cyclohexanone CH3C6H9O 198U METHYL CYCLOHEXANONE 10 2-100ppm
Methyl ethyl ketone CH3COC2H5 122SA METHYL ETHYL KETONE (+) 10 0.05-5.0%
    139SB METHYL ETHYL KETONE 10 0.01-1.4%
    139U METHYL ETHYL KETONE 10 20-1,500ppm
Methyl iodide CH3I 176SC METHYL IODIDE 10 0.4-50ppm
    176UH METHYL IODIDE 10 500-15,000ppm
Methyl isobutyl ketone (CH3)2CHCH2COCH3 122SA METHYL ISOBUTYL KETONE (+) 10 0.01-0.6%
    155U METHYL ISOBUTYL KETONE 10 5-300ppm
Methyl isothiocyanate CH3NCS 111U ETHYL ACETATE (-) 10 10-200ppm
    245UH MITC 10 200-10,000ppm
    245UM MITC 10 10-1,500ppm
Methyl mercaptan CH3SH 130U METHYL MERCAPTAN 10 0.5-10ppm
    164SA METHYL MERCAPTAN 10 5-140ppm
    164SH METHYL MERCAPTAN 10 50-1,000ppm
Methyl methacrylate CH2=C(CH3)CO2CH3 184S METHYL METHACRYLATE (+) 10 10-160ppm
Methyl propyl ketone CH3CO(CH2)2CH3 139U METHYL PROPYL KETONE 10 20-1,500ppm
Methyl styrene CH3C6H4CH=CH2 193S METHYL STYRENE 10 10-500ppm
Mineral spirit - 187S GENERAL HYDROCARBONS (+) 10 2.5-40mg/l
Mineral turpentine   111U ETHYL ACETATE (-) 10 4-200ppm
Monoethanol amine H2NCH2CH2OH 224SA MONOETHANOL AMINE 10 0.5-50ppm
Morpholine C4H9NO 105SD MORPHOLINE (+) 10 2-22ppm
Naphthalene C10H8 153U NAPHTHALENE (+) 10 10-100ppm
Nickel carbonyl Ni(CO)4 129 NICKEL CARBONYL 10 20-700ppm
Nitric acid vapour HNO3 233S NITRIC ACID VAPOUR 10 1-20ppm
Nitric oxide NO+NO2 174A NITROGEN OXIDE/NITROGEN DIOXIDE 5 10-300ppm(NO),1-40ppm(NO2)
    175SA NITROGEN OXIDES 10 20-250ppm
    175SH NITROGEN OXIDES 10 100-2,500ppm
    175U NITROGEN OXIDES 10 0.5-30ppm
Nitrogen dioxide NO2 117SA NITROGEN DIOXIDE 10 20-1,000ppm
    117SB NITROGEN DIOXIDE 10 0.5-30ppm
    117SD NITROGEN DIOXIDE 5 0.1-1.0ppm
    740 NITROGEN DIOXIDE(USE WITH AIR SAMPLER) 10 0.01-0.20ppm
Nitrogen monoxide NO 174A NITROGEN OXIDE/NITROGEN DIOXIDE 5 10-300ppm(NO),1-40(NO2)
n-Nonane CH3(CH2)7CH3 111U ETHYL ACETATE (+) 10 5-160ppm
Octane CH3(CH2)6CH3 187S GENERAL HYDROCARBONS (+) 10 100-2,800ppm
Oil mist - 602SP OIL MIST(USE WITH P-41R) 10 0.3-5mg/m3
Oxygen O2 159SA OXYGEN 5 2-24%
    159SB OXYGEN 5 2-24%
    159SC OXYGEN 5 1.5-24%
    604SP OXYGEN(USE WITH P-41R) 10 2-24%
Oxygen-Carbon dioxide O2,CO2 281S OXYGEN CARBON DIOXIDE 5 2-10%(O2),1-20%(CO2)
Ozone O3 182SA OZONE 10 50-1,000ppm
    182SB OZONE 10 2.5-100ppm
    182U OZONE 10 0.025-3.0ppm
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