The future of sustainability presents both challenges and opportunities, and our goal is to create innovative solutions with our phosphate tester through our operations and supply chain. Using our phosphate tester and technical services to help small and medium-sized enterprises design products, reduce the technical threshold, quickly complete development and ensure product stability. After years of development, we have a R&D and manufacturing team with strong technical force, rich manufacturing experience, complete professional categories and excellent technical equipment. The company has always adhered to the concept of focusing on quality and service first, and is dedicated to providing customers with excellent products and services. We are committed to cooperating with international counterparts and developing together to enable the company to embark on a path of rapid development. What we deliver fully meets the customer's expectations and even exceeds our commitments. We are proud to be a leader in our industry, and are committed to staying at the forefront of emerging trends and technologies. We take pride in offering exceptional customer service and superior quality products.
-
![Portable Phosphate Meter]()
Portable Phosphate MeterModel: LSY-1
Measuring Range: 0~1.84 mg/L
Resolution: 0.01 mg/L
Repeatability: 0.01
Linear error: ±5% FS -
![Portable COD Meter]()
Portable COD MeterModel: QW-COD-B
Ambient Temperature: 5 - 40℃
Relative Humidity: < 85% (no condensation)
Power Supply: AC 220V±10% / 50Hz -
![Portable Chlorine Dioxide Meter]()
Portable Chlorine Dioxide MeterModel: L-612
Measuring Range: 0~5 mg/L
Resolution: 0.01 mg/L
Repeatability: 0.01
Linear Error: ±5% FS -
![Laboratory Portable Turbidity Meter]()
Laboratory Portable Turbidity MeterModel: ZD-201, ZD-401, ZD-501, ZD-801, ZD-1001
Principle: 90° scattered light
Minimum Display Value: 0.1/0.01 NTU
Display Error: ±6% (±2% FS) -
![Portable Iron Meter]()
Portable Iron MeterModel: BFe
Measuring Range: 0~5 mg/L
Resolution: 0.01 mg/L
Repeatability: 0.01
Linear Error: ±5% FS -
![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 -
![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 Chlorine Dioxide Analyzer]()
Benchtop Chlorine Dioxide AnalyzerModel: L-612, L-613
Measuring Range: 0~5 mg/L
Resolution: 0.01 mg/L
Repeatability: 1% -
![Desktop Phosphate Analyzer]()
Desktop Phosphate AnalyzerModel: LSY-1, LYS-1T
Measuring Range: 0~1.84 mg/L
Resolution: 0.01 mg/L
Repeatability: 1% -
![Benchtop Urea Photometer]()
Benchtop Urea PhotometerModel: NS-1B NS-1T
Measuring Range: 0~10 mg/L
Resolution: 0.1 mg/L
Repeatability: ≤ 2% -
![Portable Nitrite Meter]()
Portable Nitrite MeterModel: 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
Gwendolyn Holloman
As a consumer, I really like this company. They tell you all the pros and cons of their products. So you can't be cheated.
Domenic Rogers
The seller has always adhered to the corporate philosophy of putting people first and operating in good faith, putting us first, and it is actually quite a feat to be able to adhere to such standards
Adele Ayala
The products of this manufacturer can well meet our business expansion needs. They also asked the technicians to discuss with us offline because emails couldn't solve the problem quickly.
Leslie Lopez
First time buying a product online and I'm glad I got something I love.
Paul Cohen
Your staff is really nice, very welcoming and helpful.
Alex Stewart
The item is very good, the supplier shipped quickly and the packaging was strong.
Since the establishment of our company, relying on strong technology, taking market demand as our responsibility, and attaching modern production workshops and exquisite manufacturing technology, we have won the praise and trust of the majority of users. Laboratory Benchtop Turbidity Meter, Benchtop McFarland Turbidity Meter and other products sell well in domestic and foreign markets. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of phosphate tester in China, featured by quality products and good service. Please rest assured to buy bulk durable phosphate tester in stock here from our factory. We also accept customized orders.