With the progress of science and technology, the requirements of various Portable COD Meter, cod analyzer are more refined. Selling stable and reliable high-quality Portable COD Meter and providing first-class service with worry-free operation is our aim and commitment to the market. We sincerely welcome friends at home and abroad to visit us and negotiate business. We use good reputation, professional quality, and sales service guarantee to serve every user with heart and soul, and enthusiastically look forward to providing more users with excellent products and quality service. We serve our customers in an honest, fair and friendly manner, and understand, respond and meet their actual needs in a timely manner. Our company has the right to import and export by itself, and also has the support and trust of many foreign customers. Since the beginning of our company, we adhere to the principle of strict quality, honesty and credit. We have a complete and scientific quality management system that combines the other company's advanced technology, management methods and experience with our own specific reality.
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![Portable COD Meter]()
Portable COD MeterModel: QW-COD-B
Ambient Temperature: 5 - 40℃
Relative Humidity: < 85% (no condensation)
Power Supply: AC 220V±10% / 50Hz -
![Benchtop COD Analyzer]()
Benchtop COD AnalyzerModel: QW-COD-T
Ambient Temperature: 5 - 40℃
Relative Humidity: < 85% (no condensation)
Power Supply: AC 220V±10% / 50Hz -
![Portable Ozone Meter]()
Portable Ozone MeterModel: Y-615
Measuring Range: 0~0.96 mg/L
Power Supply: AC 110-240V/DC 5V power adapter or 5 ×AA batteries
Resolution: 0.01 mg/L -
![Portable Sulfate Meter]()
Portable Sulfate MeterModel: BLSY-200
Measurement Range: 0-200 mg/L
Resolution: 0.1 mg/L
Repeatability: 0.01
Linear Error: ± (5% FS+1) -
![Portable Total Suspended Solids Meter]()
Portable Total Suspended Solids MeterModel: SS-100BE, SS-500B, SS-500BE
Measuring Range: 0～100 mg/L, 0～500 mg/L, 0～500 mg/L
Accuracy: 0.1 mg/L, 1 mg/L, 0.1 mg/L
Power Supply: AC 110-240V/DC 5V power adapter or... -
![COD Heating Digester]()
COD Heating DigesterModel: COD-25, QW-COD-9
Temperature Control: 45~190 °C
Digestion Time: 0~720 minutes
Temperature Indication Error: ±2 °C
Temperature Field Equilibrium: ≤ 2 ℃ -
![Benchtop Ozone Analyzer]()
Benchtop Ozone AnalyzerModel: Y-616
Measuring Range: 0~0.96 mg/L
Power Supply: AC 220/50HZ
Resolution: 0.01 mg/L -
![Benchtop Nickel Analyzer]()
Benchtop Nickel AnalyzerModel: BNI-10, TNI-10
Measuring Range: 0.25 mg/L to 10.00 mg/L
Resolution: 0.01 mg/L
Repeatability: 1% -
![Desktop Nitrite Colorimeter]()
Desktop Nitrite ColorimeterModel: YXSY-1, YXSY-2
Measuring Range: 0~0.25 mg/L
Power Supply: Power adapter (DC 5V/0.1A), 220V
Resolution: 0.001 mg/L -
![Benchtop High Range Residual Chlorine Analyzer]()
Benchtop High Range Residual Chlorine AnalyzerModel: YL-10Z
Measuring Range: 0~10 mg/L
Power Supply: 220V
Resolution: 0.01 mg/L -
![Dual-Purpose Beer Turbidity Meter]()
Dual-Purpose Beer Turbidity MeterModel: PJZ-2
Principle: 90° scattered light
Minimum Indication: 0.1
Measuring Range: 0-200 NTU, 0-50 EBC -
![Benchtop Digital Turbidity Meter]()
Benchtop Digital Turbidity MeterModel: WGZ-1A
Basic Error: 2.5% FS
Repeatability: 1.5% FS
Zero Drift: 0.2 NTU
Lucille Pimental
The manufacturer's service attitude is very good, the delivery is also very fast, and the pre-sales service and after-sales service are excellent!
Patricia Mann
The company's technicians have been trained for many times, and have a very efficient speed. They can give accurate answers to all questions and help us solve problems quickly.
Rickie Hopkins
The company's service is very friendly, it can always solve all our problems quickly and efficiently, and the delivery is very fast!
Alaine Bish
Your after-sales team is very patient and solves many problems.
Bonnie Chan
This company provides professional and timely communication and also has favorable product prices, so we are very satisfied.
Virginia Barrier
When I was shopping, the company said that everything in the production process must be completed perfectly so that the quality of the product can be guaranteed. This sentence makes me feel their
It has a complete product production and quality assurance system and perfect after-sales service. Under the guidance of full-time engineers, it strictly controls the process and production to ensure the quality of Portable Urea Meter, Benchtop Multi-Parameter Chlorine Ion Concentration Meter, Infrared Inoculation Loop Sterilizer. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of portable cod meter in China, featured by quality products and good service. Please rest assured to buy bulk durable portable cod meter in stock here from our factory. We also accept customized orders.