SKY2000 CO2 detector pump suction carbon dioxide detector pipe greenhouse dioxygen

General Agent handheld 2.83L/min laser dust particle counter analysis clean environment with printing

Tedlar Tedra gas sampling bag polyfluoroethylene PVF collection bag sampling voc gas extraction bag 10L-100L

General Agent sterile sampling bag (250mm × 180mm)10/bag

Far East vibration measuring VT-67 portable vibration measuring instrument written test vibration measuring instrument acceleration velocity displacement

BG2015P radon detector (portable) continuous radon measurement Air Radon soil radon radon radon exhalation rate in water

General Agent Beijing Normal University photoelectric ST-85 illuminometer (automatic) automatic range digital illuminometer

Puzan PZ-BPX food testing box standard box fruits and vegetables, meat products fruits and vegetables, meat

British beilingda Pooltest6 swimming pool water quality detector technician version residual chlorine total chlorine urea, etc.

1.5L 2L gas sampling bag aluminum foil composite film sampling bag gas collection bag Aluminum plastic gas collection bag

HI3604 power frequency electromagnetic field tester power frequency electromagnetic field strength meter US HOLADAY original

Food poisoning fast inspection box food poisoning and emergency guarantee fast inspection box health guarantee fast food inspection box

SQC-1.5 multi-function atmospheric sampler atmospheric sampler collects on-site gas in Atmospheric Environment Workshop

General Agent MIC-800-O3 portable ozone detector in stock

General Agent CY-1A portable ozone detector water quality ozone tester 0-2.5mg/L

SQC-4 four-way atmospheric sampler four-way atmospheric sampler collects all kinds of harmful gases in the workplace

American SKC 225-36-1 standard impact bottle standard nozzle 25ml laboratory grade glass small impact bottle

General Agent US EXTECH 42280 temperature and humidity recorder original

TSI 9500 US TSI9500 laser particle counter portable laser dust particle counter

American QT30 +4046 + BYKT-H air microorganism sampler system Anderson sampling head

Beijing Zhongxing Huili GH-400 high purity hydrogen generator plate electrolytic cell anti-alkali return flow tracking

General Agent MI-305 microbial limit tester microbial filtration system microbial tester

KM940 flue gas analyzer portable British original flue gas analysis, boiler combustion

Japanese research institute FP-31 formaldehyde detector indoor formaldehyde detection formaldehyde tester for disease control

AWA5661-1/1B/1C pulse sound level meter level 1 low sound level high sound level noise meter Hangzhou Aihua

General Agent Laoying 2030 medium flow intelligent TSP sampler/PM10/PM2.5 sampler (generation 03)

General Agent Japan Beichuan 216s methacrylic acid propionic acid detection tube gas physical examination knowledge tube KITAGAWA

General Agent JX-3C vibration calibration reference system vibration sensor calibrator JX-3B upgraded version

Tedlar Tedra sampling bag polyfluoroethylene PVF membrane gas sampling bag DuPont collection bag voc gas extraction bag

Radar flow meter radio wave flow meter flow meter online water flow speed sensor water flow surface speedometer

PY-2 type car headlamp detector far and near light calibrator

Italy Hana Instruments Reagent Phosphate Reagent HI94763A-50 Total Phosphorus Reagent

General agent Italy Hana HI96730 instrument reagent molybdenum reagent HI93730-01

General Agent American Cisco M40PRO Multifunctional Gas Detector Multifunctional 4-in -1 Gas Detector

Italy HANNA HI97715 ammonia nitrogen microcomputer detector ammonia nitrogen concentration detector HI97733

United States Incisco single gas GB60-PH3 phosphine detector GB60-HCN hydrogen cyanide detector