Ph meter/ph meter
conductivity meter
turbidimeter
Residual chlorine total chlorine tester
Multi-parameter water quality tester
Biochemical oxygen demand tester
Spectrophotometer
Dissolved oxygen meter
Water hardness tester
Water quality ion analyzer
full automatic ion analyzer
Non-dispersive infrared fuel gauge
Rapid detector for pesticide residues
Food safety tester
Ion analyzer
Rapid soil nutrient analyzer
Seawater sampler
HANNA water quality analyzer of Hana, Italy
Lovibond water quality analyzer in Germany
Hash HACH water quality analyzer in the United States