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Instrument and meter
HI9145 Dissolved Oxygen Analyzer
SJ-X100 Mask Bacterial Filtration Detector
Taiwan Taishi TES-1386 turbidity meter
Grinding agent chloride ion testing kit
Water chloride ion detection kit
American Ohouse ST10R ORP (oxidation-reduction potential) test pen
PK-6130J Mask Filter Material Filtration Efficiency and Resistance Testing Device
100Xs Salt Spray Filter Paper Mask Breather Leakage Tester
HI2300 Total Solid Solubility Tester
TSI8038 Mask Tightness Tester from the United States
HI993310 specialized conductivity meter for measuring soil
ST400D portable optical dissolved oxygen analyzer
Ohhaus STARTER 300D Dissolved Oxygen Analyzer
Mettler F4 Meter Dissolved Oxygen Analyzer
HI99301 Conductivity Meter
HI2400 microcomputer printed dissolved oxygen analyzer
Mettler F4 Standard dissolved oxygen analyzer
Mettler F4 Field Dissolved Oxygen Analyzer
HI98188 Conductivity Meter
HI9033 Waterproof Multi Range EC Tester
OHAUS ST400 portable pH meter from the United States, high standard acidity meter
GTI510 aerosol photometer
HI8733 portable conductivity meter
HI99300 Conductivity Meter
OHAUS ST400M portable multi parameter instrument from the United States
Successful operation!