Labor Insurance Institute TQC-3 type universal individual air sampling instrument 0.00 sold.5,867,860 so'm
Xa-81 Intelligent Flue Gas Flow Meter, Working Condition Gun, Pitot Tube Measuring Smoke Temperature, Can Be Equipped with Metering Certificate 0.00 sold.14,669,650 so'm
Environmental Atmospheric Sampler Double Channel Double Gas Path Constant Current Atmospheric Sampler Atmospheric Sampler Self-research 0.00 sold.940,412 so'm
Beijing labor and insurance institute HL1000 type double gas path atmospheric sampling instrument 0.00 sold.6,572,004 so'm
Beijing labor and insurance Institute HL-2 type single gas Channel atmospheric sampling instrument 0.00 sold.7,334,825 so'm
Beijing Institute of labor and insurance QC-2 double-flow atmospheric sampling instrument 0.00 sold.3,753,876 so'm
Large flow particulate matter sampler TSP total suspended particulate matter sampler inhalable particulate matter sampler 0.00 sold.20,611,344 so'm
Beijing labor and insurance Institute QC-4S explosion-proof atmospheric sampler 0.00 sold.4,066,699 so'm
Beijing labor insurance Institute QC-3 type large flow atmospheric sampling instrument 0.00 sold.3,753,876 so'm
Floating Bacteria Sampler, Floating Bacteria Sampler, Air Floating Bacteria Sampler 0.00 sold.33,823,744 so'm
Dual constant temperature constant current atmospheric sampler TVOC gaseous SO2/NO intelligent dual channel environmental atmospheric sampler 0.00 sold.14,669,650 so'm
Beilao 10 type four-channel digital display constant current atmospheric sampler 100-2000 mL/min 0.00 sold.15,802,031 so'm
Beijing Ke'an labor protection QC-2A QC-2B QC-2 double gas path atmospheric sampler air sampler formaldehyde extraction 5.00 sold.4,223,111 so'm
Medium flow particulate matter sampler environment TSP total suspended particulate matter pm2.5 intelligent particulate matter sampler 0.00 sold.10,855,541 so'm
Manual gas sampling pump gas collector hand pump sampler test tube sampler pump air tightness is good 0.00 sold.3,753,876 so'm
XA-1H-type volatile organic compounds sampler small Flow Sampler single-channel dual-channel optional 0.00 sold.13,202,685 so'm
HL-2 Individual Dust Sampler Occupational Health Single Gas Road Double Gas Road Kean Beilao Institute 0.00 sold.7,334,825 so'm
HL1000 atmospheric sampler fixed-point sampling single gas path dual gas path Ke'an North labor office 0.00 sold.6,572,004 so'm
Beilao 10 Type Double Gasway / Four Gasway Constant Flow Atmospheric Sampler 1000-5000Ml/Min 0.00 sold.11,442,327 so'm
Beilao 10 Type Constant Flow Double Gasway/Four Gasway Atmospheric Sampler 20-2000Ml/Min 0.00 sold.11,442,327 so'm
Beijing labor insurance Institute QC-1B toxic and harmful gas collection atmospheric sampling instrument 0.00 sold.2,735,744 so'm
HL1000 atmospheric sampler fixed-point sampling single gas path dual gas path Ke'an North labor office 0.00 sold.6,572,004 so'm
Beilao 10 type constant current atmospheric sampler indoor sampling dual gas Road four gas Road Ke'an beilao office 0.00 sold.13,476,648 so'm
QC-1S QC-1B atmospheric sampler occupational health fixed-point sampling Beijing Ke'an North Labor Institute 5.00 sold.2,658,996 so'm
QC-3 atmospheric sampler occupational health fixed-point sampling Beijing Ke'an North Labor Institute 0.00 sold.3,753,876 so'm
AIR series digital display constant current sampler occupational health fixed-point sampling Beijing Ke'an North Labor Institute 0.00 sold.12,674,578 so'm
ST8904 four-in-one gas detector carbon monoxide oxygen hydrogen sulfide combustible gas alarm 0.00 sold.1,873,985 so'm
AS8902 combustible gas detector explosion-proof methyl ethylene propylene butane gas gasoline alarm leak detector 0.00 sold.1,631,732 so'm