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Instrument and meter
Ohaus ST300 portable pH meter
HI98129 acidity meter
HI98130 acidity meter
AZ8601 acidity meter, AZ8601S acidity meter set
Taiwan Taishi TES-1380K pH, redox, temperature tester
Mettler FiveGo ™ Conductivity meter F3
F2 Standard portable acidity meter
ISO 130 Salt Analyzer
OHAUS ST400M portable multi parameter instrument from the United States
Oshouse ST20R ORP oxidation-reduction potential testing pen from the United States
Testo 205 acidity meter
HEST-111 melt blown fabric electrostatic charge tester
SJ-X100 Mask Bacterial Filtration Detector
HI9145 Dissolved Oxygen Analyzer
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
HI8733 portable conductivity meter
HI99300 Conductivity Meter
OHAUS ST400 portable pH meter from the United States, high standard acidity meter
PK-6130J Mask Filter Material Filtration Efficiency and Resistance Testing Device
HI993310 specialized conductivity meter for measuring soil
HI2300 Total Solid Solubility Tester
GTI510 aerosol photometer
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