We rely on strong technology research and development strength and sophisticated equipment to manufacture Pen DO Meter, Benchtop DO Meter, Benchtop Dissolved Oxygen Meter with core competitiveness. We are Portable Dissolved Oxygen Controller manufacturer with a relatively comprehensive coverage of laser applications in China. As part of our responsibility, we have the courage to be accountable to the corporation, shareholders, customers and employees. Our company offers a comprehensive range of products and services to meet our customers’ needs. Delicate and perfect service is our corporate responsibility and conscience. We have a strong presence in key markets across Asia, Europe, and North America. The company adheres to safe production and strengthens quality management, and has also been unanimously recognized by the society in the development process. Our strong partnerships with leading vendors enable us to provide the best solutions at affordable prices.
  • Portable Dissolved Oxygen Meter
    Portable 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
  • Portable DO Meter
    Dissolved 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
    Model: 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
    Measurement 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
  • Conductivity Sensor Element
    Model: DJS-0.1, DJS-1, DJS-10
    Vessel Constant: 0.1±0.02, 1±0.2, 10±2
  • Benchtop Digital Conductivity Meter
    Model: DDS-11A
    Measurement Range: 0 ~ 2 × 105 μS/cm
    Accuracy: ± 1% F × S
    Instrument Stability: 0.50%
  • Pen-Type Dissolved Oxygen Meter
    Pen-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
    Pocket-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
  • Benchtop Dissolved Oxygen Tester
    Benchtop 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 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
  • Industrial Online DO Controller
    Industrial 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...
  • Industrial Online PH Electrode
    product key technologies The industrial online pH electrode adopts an Ag/AgCl reference structure. It features anti-fouling performance, easy maintenance, fast response and high accuracy. It...
Frank Correa star star star star star
Its use effect is much better than expected, and the operation is convenient and simple.
Warren Seibel star star star star star
The first time I shopped online, I bought a product that satisfied me, thank you!
Dorothy McMorrow star star star star star
These items are very cost-effective and very practical!
Brian Ouellette star star star star star
Your sales manager is very lively and can give us very useful industry knowledge, which we admire very much.
Judy Light star star star star star
The employees of the company have a warm service attitude, provide considerate service to customers, and help us deal with all problems efficiently.
Linda Hake star star star star star
The product will arrive soon! It's really great. Although the assembly time is longer than expected, the seller has been guiding us, so the whole process is smooth.
Our aim is to provide customers with a full range of Portable Manganese Ion Analyzer, Portable UV Analyzer, Digital Thermostat Controlled Water Bath and high-quality and thoughtful service. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of portable dissolved oxygen controller in China, featured by quality products and good service. Please rest assured to buy bulk durable portable dissolved oxygen controller in stock here from our factory. We also accept customized orders.
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