Our company has gathered a group of energetic and innovative talents. Guided by meeting the needs of customers, we strengthen scientific research investment, constantly shape the core competitiveness of enterprises, and provide customers with high-quality Digital Thermostat Controlled Water Bath, Digital Salinity Analyzer, Mini Thermostatic Dry Bath. Our company always adheres to the tenet of 'high standards, high requirements, high integrity' to provide customers with high-quality COD Heating Digester and services. Our company adopts various forms to strengthen the vocational education and on-the-job training of the company's employees and improve their quality. We carry out a systematic product development work, and we continue to absorb fresh blood. We have a rigorous inspection process in place to ensure that our products meet the highest standards of quality and safety. We have a proven track record of delivering quality products on time and on budget. With the ultimate goal in our mind, we will definitely seize every opportunity to expand our market and find the right place for us, making our company a most competitive one in its line.
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![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 COD Analyzer]()
Benchtop COD AnalyzerModel: QW-COD-T
Ambient Temperature: 5 - 40℃
Relative Humidity: < 85% (no condensation)
Power Supply: AC 220V±10% / 50Hz -
![Portable Ammonia Nitrogen Meter]()
Portable Ammonia Nitrogen MeterModel: AD-82B
Measuring Range: 0.00~10 mg/L
Indication Error: ±5% FS
Repeatability: ≤3%
Size: 266×200×130 mm -
![Portable Free Chlorine Meter]()
Portable Free Chlorine MeterModel: ZYC, ZYL, ZYL10
Measuring Range: 0.10~4.80 mg/L, 0~5 mg/L, 0~10 mg/L
Resolution: 0.01mg/L
Repeatability: 0.01 -
![Portable Urea Meter]()
Portable Urea MeterModel: NS-1B
Measuring Range: 0~10 mg/L
Resolution: 0.1 mg/L
Repeatability: ≤ 2%
Indication Error: ±5% FS -
![Benchtop Ammonia Nitrogen Analyzer]()
Benchtop Ammonia Nitrogen AnalyzerModel: AD-83T
Measuring Range: 0.00~10.00 mg/L
Power Supply: 220V
Resolution: 0.01 mg/L -
![Portable Manganese Ion Analyzer]()
Portable Manganese Ion AnalyzerModel: Portable Manganese Ion Analyzer
Measuring Range: 0~25 mg/L
Resolution: 0.01 mg/L
Repeatability: ≤2% -
![Desktop Beer Colorimeter]()
Desktop Beer ColorimeterModel: PSD-1, PSD-1+
Measuring Range: 0~9.4 EBC, 0~15 EBC
Resolution: 0.01 EBC, 0.01 EBC
Repeatability: ≤2%, ≤2% -
![Benchtop Iron Ion Analyzer]()
Benchtop Iron Ion AnalyzerModel: TFe, BFe
Measuring Range: 0~5 mg/L, 0~5 mg/L
Resolution: 0.01 mg/L, 0.01 mg/L
Repeatability: 1%, 1% -
![Benchtop TSS Meter]()
Benchtop TSS MeterModel: SS-100TE, SS-500T, SS-500TE
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: 220V 50HZ -
![Thermostatic COD Digester]()
Thermostatic COD DigesterModel: COD-HX
Temperature Range: 32°C ~ 399°C
Accuracy: ±2°C
Heating Time: (170°C) < 30 min -
![COD Digester]()
COD DigesterModel: HW6, HW8
Quantity of Tubes: 6-tube, 8-tube
Measuring Range: 0～700 mg/L; sample can be diluted if exceeding the range
Reflux Device: Three-ball burr reflux condenser +...
Denise Marshall
Although this supplier had some small problems in the production process, they communicated with us in time, because we had plenty of time and felt their sincerity, so we can fully accept a few days
Richard Roy
We are very impressed by the company's excellent project management ability, timely and flexible response to problems, and quick flexibility.
Aaron Silver
The attitude of the customer service staff is very good, I love it!
Anthony Stephenson
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
Joseph Lawson
The company always insists on providing users with high-quality, safe and convenient services, while bringing more fun and convenience to users. As one of the company's customers, we are very
Earl Morales
Long-term cooperation with you has brought us many benefits. For example, your products have enabled our business to grow continuously.
Compared with similar products in the international market, our Benchtop Multi-Parameter Chlorine Ion Concentration Meter, Fiber Whiteness Meter is of competitive prices and superior quality. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of cod heating digester in China, featured by quality products and good service. Please rest assured to buy bulk durable cod heating digester in stock here from our factory. We also accept customized orders.