QT-201B-type Lingeman photoelectric smoke blackmeter smoke blackmeter automatic Qingdao manufacturer

Qingdao Jinghong JH-801 BOD5 direct reading tester bod5 Rapid Tester bod measuring instrument

Portable water sample extractor vacuum filtration equipment water extraction filtration equipment filter water quality filtration device

Infrared oil measuring instrument laboratory desktop water oil concentration measuring analyzer infrared spectrophotometer oil measuring instrument

Dual-Channel atmospheric sampler dual-channel constant current atmospheric sampler dual-channel portable atmospheric sampler

Handheld portable deep water water quality sampling pump JHN-2-type water collector sewage Sampler

JH-2132 type double filter membrane air fluoride sampler fluoride particulate matter comprehensive Sampler

Guizhou sewage treatment plant JHN-2 handheld water quality sampler intelligent water quality sampling equipment

Volatile phenol, formaldehyde, ammonia, anionic surfactant organic single index water quality detector

COD fast digester intelligent microcomputer constant temperature control COD multi-parameter digester digestion device

Occupational health dust detector PC-3A type pm2.5 dust meter standard instrument for dust content in air

Portable outdoor air quality detector PC-3A type pm2.5 detector dust laser detector

Sewage water quality tester portable cod detector ammonia nitrogen total phosphorus total nitrogen dissolved oxygen rapid measuring instrument

Factory customized hand-held full dust pm10pm2.5 dust meter PC-3A hand-held dust detector

COD detection instrument analyzer desktop sewage ammonia nitrogen total phosphorus total nitrogen suspended matter turbidity rapid analyzer

Guangdong third-party detection BOD tester JH-880 BOD5 daily culture detector

Guangzhou Environmental monitoring pm2.5 detector intelligent digital display dust detector dust meter detection device

JH-8012 type portable Ringman smoke blackness meter level 5 smoke blackness measuring instrument

cod detector ammonia nitrogen total phosphorus total nitrogen heavy metal inorganic salt laboratory cod multi-parameter water quality tester

cod detector cod water quality multi-parameter tester optional ammonia nitrogen total phosphorus total nitrogen residual chlorine heavy metal analyzer

Filter Membrane Gravimetric Method Medium Flow Dust Particulate Sampler Portable Ambient Atmospheric TSP-pm2.5 Sampler

Infrared Spectrophotometer New Standard Infrared Method Oil Concentration Detector in Water Infrared Oil Detector

Infrared spectrophotometer oil measuring instrument determination of total oil concentration of animal and vegetable oil in water high precision infrared oil measuring instrument

JHL-6 six-stage air microbial sampler Anderson impact six-stage air microbial Sampler

Single double triple quadruple automatic jet extractor liquid-liquid oil meter is suitable for automatic extractor device

4-20mA signal output dust bag leak detector JH-M100 type online dust meter pipe dust detection

Portable COD water quality detector COD tester optional ammonia nitrogen total phosphorus total nitrogen multi-parameter water quality tester

Boiler exhaust gas comprehensive analyzer flue gas NOx detector smoke measuring instrument

Full-automatic jet extractor laboratory industrial wastewater sewage pretreatment Liquid Liquid extraction instrument manufacturer

JH-3081 type asphalt smoke sampling tube fixed pollution source sampling tube, asphalt smoke sampling tube

Hebei environmental monitoring station sewage water quality sampler JH-8000D-type water recovery device oil Sampler

Qingjinghong JH-3082 type fume sampling tube catering industry fume filter cartridge Smoke Smoke Smoke fume sampling tube

Sichuan pc-3a handheld dust detector portable dust concentration tester dust detection instrument

Microcomputer laser dust detector digital direct reading dust concentration measuring instrument light scattering dust meter

Volatile organic compounds sampler benzene series sampler small flow 200ml/min constant current Sampler

COD constant temperature heater gift explosion-proof zeolite national standard potassium chromate titration COD constant temperature heater automatic