We have strong technical strength, a systematic technical team, professional services, and a complete product range of Pen DO Meter, Benchtop DO Meter, Benchtop Dissolved Oxygen Meter. Our entire range of Industrial Online DO Meter is checked for quality and performance to ensure that only a flawless range is being dispatched to our clients. We have introduced and are making full use of internationally advanced technology and equipment, with advantages of skilled workers. Our experienced team can handle all aspects of the import-export process from sourcing to delivery. Our management philosophy is to lead by example, pay attention to details and focus on execution. Our company has a customer-centric approach, and we are dedicated to providing personalized service to each of our clients. The core values are deeply rooted in our company, leading the enterprise to carry out all business activities without time limit. The future is full of opportunities and challenges, hoping that we can face up to more challenges in the future to achieve more achievements.
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![Industrial Online DO Controller]()
Industrial Online DO ControllerIndustrial Online Dissolved Oxygen Controller for Wastewater Treatment and Aquaculture Monitoring Measurement range: 0~20.00 mg/L
Resolution: 0.01 mg/L
Error: ±0.3 mg/L
Power... -
![Portable DO Meter]()
Portable DO MeterDissolved Oxygen Measurement Range: (0.00～20.00) mg/L
Temperature Measurement Range: (0～40)°C
Dissolved Oxygen Basic Error: ±0.3mg/L
Temperature Basic Error: ±1°C -
![Benchtop DO Meter]()
Benchtop DO MeterModel: JPB-605
Measuring Range: (0~19.99) mg/L
Temperature: (0~40) °C
Basic Error: ±0.3 mg/L
Temperature Fluctuation: ±1°C -
![Online Industrial ORP Contorller]()
Online Industrial ORP ContorllerMeasurement Range: PH (0-14 ); ORP (± 1900 mV)
Accuracy: +0.02 PH; +1 mV
Resolution: 0.01 PH; 1mV
Stability: ≤ 0.02 PH/24 h; ≤ 3 mV/24 hours -
![Portable Multi-Parameter Sodium Ion Concentration Meter]()
Portable Multi-Parameter Sodium Ion Concentration Meterproduct key technologies Adopting a lightweight and portable structure, this Portable Multi-Parameter Sodium Ion Concentration Meter is specially designed for mobile rapid detection to determine... -
![Portable Dissolved Carbon Dioxide Meter]()
Portable Dissolved Carbon Dioxide MeterModel: BXS-CO2
Measuring range: pCO2: (2.00~4.40) pCO2; CO2: 1.75mg/L～0.44g/L; mV: (-1800～1800)mV
Resolution: 0.01 pCO2
Basic Error of the Electronic Unit: ±0.02 pCO2 ±1 word -
![Handheld Conductivity Meter]()
Handheld Conductivity MeterModel: DDBJ-350
Measuring Range: (0 ~ 199.9) μs/cm; (200 ~1999)μs/cm; (2.00 ~ 19.99)ms/cm; (20.0 ~ 199.9)ms/cm
Resolution: 0.1/1μs/cm; 0.01/0.1 ms/cm
Accuracy: Electro-meter:... -
![Pen-Type Dissolved Oxygen Meter]()
Pen-Type Dissolved Oxygen MeterPen-Type Dissolved Oxygen Meter for Aquaculture and Field Water Testing
Model: JPB-80A
Measuring range: (0 ~ 19.99) mg/L
Temperature: (0 ~ 40) °C
Basic Error: ±0.3 mg/L -
![Pen DO Meter]()
Pen DO MeterPocket-size Dissolved Oxygen Meter for Aquaculture and Field Water Testing
Model: JPB-70A
Measuring range: (0 ~ 19.9) mg/L
Temperature: (0 ~ 40) °C
Basic Error: ±0.3 mg/L -
![Portable Dissolved Oxygen Meter]()
Portable Dissolved Oxygen MeterPortable Dissolved Oxygen Meter for Field Water Testing and Aquaculture
Model: JPB-607A
Measuring Range: (0 ~ 19.9) mg/L
Temperature: (0 ~ 40) °C
Basic Error: ±0.3 mg/L -
![Benchtop Dissolved Oxygen Tester]()
Benchtop Dissolved Oxygen TesterBenchtop DO Controller & Meter | Precision Dissolved Oxygen Control - Qiwei
Model: JPB-605
Measuring range: (0~19.99) mg/L
Temperature: (0~40) °C
Basic error: ±0.3 mg/L -
![Benchtop Dissolved Oxygen Meter]()
Benchtop Dissolved Oxygen MeterBenchtop DO Meter for Aquaculture and Laboratory Research
Model: JPB-650
Measuring range: (0~19.99) mg/L
Temperature: (0~40) °C
Basic error: ±0.3 mg/L
Lauren Dunn
We placed our order in the morning, but we were very surprised that you were able to deliver the goods in the afternoon. And after we inspected the goods, we found that this batch of goods is very
Michael Davis
Your manager was very friendly and highly professional and was able to improve the best solution for us.
Mary Harting
Thank the seller! I'm very satisfied with these products!
Joe Barta
We are grateful for this vendor's excellent customer service and are always grateful for their help and support. We highly recommend their services.
Shelley Harris
Forging products with true feelings and creating quality with love is our best evaluation of you.
Megan Carter
Your company has always adhered to the principle of "customer first", and you are very patient in doing things.
The development of our company combines the advantages of time and favorable location. We actively forge ahead, and while absorbing foreign advanced production technology, we put innovation at the top of the company's development. After years of development, we have successfully made our products mature and can compete with the technology of advanced enterprises. Our Benchtop Whiteness Meter, PH Corrosion-Resistant Electrode, Portable Multi-Parameter Cadmium Ion Concentration Meter has been well-received in many overseas countries and regions. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of industrial online do meter in China, featured by quality products and good service. Please rest assured to buy bulk durable industrial online do meter in stock here from our factory. We also accept customized orders.