We are advancing courageously along the road of 'groupization, industrialization, specialization, and internationalization' and continue to contribute to the tds meter, Pocket TDS Tester industry all over the world. All of our tds meter for water hardness are designed by international standards, with our own professional design team and excellent quality. Our experienced team is dedicated to delivering quality products and superior service. We are committed to providing integrated services including original design, marketing planning and supply chain management for retailers around the world. Quality control group make sure the best quality. We will respond quickly to your suggestions and requirements and link them with production. No matter how strict your requirements are, we will meet them. Our company has always resolutely implemented strict quality system standards and fully controlled the entire process of production. We provide a range of e-commerce solutions for convenient online ordering.
  • Pocket TDS Tester
    Model: TDS-1H (High range), TDS-1L (Low range)
    Measuring range: 0~9999 PPM, 0~2500 PPM
    Accuracy: ±2% FS
    Resolution: 1 PPM
  • Pen-Type Conductivity Meter
    Model: DDB-12H, DDB-12L
    Measuring range: 0-25ms, 0-1999μs
    Resolution: 0.01ms, 1μs
    Precision: ±0.02ms + 2% FS, ±2μs + 1% FS
  • 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
  • Benchtop Multi-Parameter Sodium Ion Concentration Meter
    Model: DWS-51
    Measuring Range: pNa: (0.00~9.00) pNa; Na+: 0.23μg/L~23g/L; mV: (-1800~1800) mV
    Resolution: 0.01pNa
    Basic Error of The Electronic Unit: ±0.02 pNa ±1 word
  • Benchtop Multi-Parameter Cadmium Ion Concentration Meter
    Model: PXS-Cd
    Measuring Range: pCd: (0.00~6.00)pCd; Cd2+: 0.19g/L~19g/L; mV: (-1800~1800)mV
    Resolution: 0.01 pCd
    Basic Error of the Electronic Unit: ±0.02 pCd ±1 word
  • Benchtop Multi-Parameter Nitrate Ion Concentration Meter
    Model: PXS-NO3
    Measuring Range: pNO3: (0.00~6.00)pNO3; NO3-1: 0.19μg/L~19g/L; mV: (-1800~1800)mV
    Resolution: 0.01pNO3
    Basic Error of the Electronic Unit: ±0.02 pNO3 ±1 word
  • Portable Multi-Parameter Sodium Ion Concentration Meter
    product 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 Multi-Parameter Fluoride Ion Concentration Meter
    Model: BXS-F
    Measuring range: pF: (0.00~6.00)pF; F-: 0.19μg/L~19g/L; mV: (-1800~1800)mV
    Resolution: 0.01pF
    Basic Error of the Electronic Unit: ±0.02pF ±1 word
  • Portable Multi-Parameter Cadmium Ion Concentration Meter
    Model: BXS-Cd
    Measuring range: 0.19μg/L~19g/L
    Basic Error of the Electronic Unit: ±0.02pCd ±1 word
    Instrument Basic Error: ±0.05pCd
  • 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
  • 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
  • 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
Charles Burris star star star star star
Your products are not only reasonably priced but also of very good quality! One word: perfect!
Gary Thomas star star star star star
Their company is directly produced by its own factory, with fast delivery, excellent price, guaranteed quality, and gentle and considerate customer service.
Bernice Williamson star star star star star
We have been working with you for many years and in all these years you have never had a problem with the quality of your products and you have always given us the best prices.
Effie Carr star star star star star
Most companies know that they need to optimize their products, but a lot of times they fail to manage their people. I've had a lot of bad customer service, yelling at customers. This is not the case
Julie Wallace star star star star star
This manufacturer is very trustworthy because they focus on technology research and development and the product features, quality, and user experience have reached an advanced level. We will also
Pamela Hart star star star star star
The products we bought this time are not only reasonably priced, but they also have great quality and great customer service, so I'm sure you'll love their service too!
We have promoted enterprise technology innovation and improved the overall technology level of the Desktop Whiteness Meter, Benchtop Digital Conductivity Meter industry. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of tds meter for water hardness in China, featured by quality products and good service. Please rest assured to buy bulk durable tds meter for water hardness in stock here from our factory. We also accept customized orders.
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