We meet the diversified and personalized needs of our customers and continue to lead the development of the Salinity Pen, salinity meter industry. Our company's corporate vision is to help Salinity Pen, create value for customers, create contributions to society, create opportunities for employees, and create benefits for the company. We hope to be able to pursue dreams, realize values, and behave with integrity in the process of continuous development. Our extensive experience in international trade allows us to navigate complex markets with ease. Our pricing is reasonable and competitive. Our team of experts is always available to answer any questions our clients may have. Our customers mean everything to us, and we work hard to exceed their expectations. We will always sincerely cooperate with everyone with exquisite products and perfect services, and work together to achieve a win-win situation.
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![Salinity Pen]()
Salinity PenModel: YD-100 (low range)
Measuring range: 100 g/L
Resolution: 0.1 g/L
Precision: ±0.2 g/L -
![Pen-Type Salinity Meter]()
Pen-Type Salinity MeterModel: YD-1H (High range), YD-1L (Low range)
Measuring range: 0~9999 mg/L, 0~2500 mg/L
Accuracy: ±2 mg/L
Resolution: 1 mg/L -
![DO Electrode]()
DO ElectrodeMeasuring Range: Dissolved oxygen: (0~20) mg/L; Temperature: (0~40℃)
Basic Error: Dissolved oxygen: ±0.3 mg/L; Temperature: ±1℃
Aftercurrent: ≥ 0.15 mg/L
Response Time: No... -
![Handheld PH Meter]()
Handheld PH MeterModel: PHB-4
Measuring Range: PH: 0~14.00; Temperature: 0~60 °C; mV: ±1999
Resolution: PH: 0.01; Temperature: ± 1 °C
Precision: PH: 0.01; Temperature: ± 1 °C -
![Laboratory Benchtop PH Meter]()
Laboratory Benchtop PH MeterInstrument type: PHS-25/25C, PHS-2C
Measurement range: 0.00 ~14.00 PH; ±1999 mV
Precision: ±0.05 PH, ±0.02 PH
Resolution: 0.01 PH -
![Microprocessor PH Meter]()
Microprocessor PH MeterModel: PHS-3E
Measuring Range: PH: -2 ~ 18.00; mV: ±1999; Temperature: 0 ~ 100 °C
Resolution: PH: 0.01/0.1; Temperature: ±1°C
Precision: PH: 0.01; Temperature: ±1°C -
![Benchtop Multi-Parameter Fluoride Ion Concentration Meter]()
Benchtop Multi-Parameter Fluoride Ion Concentration Meterproduct key technologies The PXS-F Benchtop Multi-Parameter Fluoride Ion Concentration Meter focuses on fluoride ion detection in aqueous solutions and is primarily suited for various high-purity... -
![Benchtop Multi-Parameter Kalium Ion Concentration Meter]()
Benchtop Multi-Parameter Kalium Ion Concentration MeterModel: PXS-K
Measuring Range: pK: (0.00～6.00)pK; K+: 39μg/L～39g/L; mV: (-1800～1800)mV
Resolution: 0.01pK
Basic Error of the Electronic Unit: ±0.02pK ±1 word -
![Portable Multi-Parameter Chlorine Ion Concentration Meter]()
Portable Multi-Parameter Chlorine Ion Concentration MeterModel: BXS-Cl
Measuring range: pCl: (0.00～6.00)pCl; Cl-: 0.35μg/L～35.5g/L; mV: (-1800～1800)mV
Resolution: 0.01pCl
Basic Error of the Electronic Unit: ±0.02pCl ±1 word -
![Pen Salinity Meter]()
Pen Salinity MeterModel: YD-300 (high range)
Measuring range: 300 g/L
Resolution: 0.1 g/L
Precision: ±0.2 g/L -
![PH Composite Electrode]()
PH Composite ElectrodeModel: E201-C
pH Range: 0~14PH
Media Temp: 5~60°C
Internal Resistance: ≤120 MΩ (at 25°C) -
![PH Corrosion-Resistant Electrode]()
PH Corrosion-Resistant ElectrodePressure resistance: 0.6 MPa
Installation dimensions: 3/4 NPT pipe threads on both the top and bottom
Material: Polytetrafluoroethylene
Connection: Low-noise cable...
Peter Thomas
Their product solutions are very diversified, which also enriches our choices. Flexible pre-sales and after-sales services greatly improve the efficiency of problem solving.
Donald Goode
These products sell very well in my shop, thank you!
Carroll Gelb
You have excellent service and do everything with excellence, you have helped us a lot during this partnership.
Philip Gagnon
This product is a great purchase, definitely my favorite! And it's very easy to use, requiring little adjustment.
Thelma Bledsoe
Design is the source of quality, quality is the guarantee of success. Good and reasonable design can make the product have good function and better use feeling. The company does a good job in both
Jeremy Buggs
We compared several similar suppliers and found that this company has a good understanding of our needs, so they also provided a good help when we purchased products. We are very satisfied!
Managers have rich management and practical experience to provide reliable guarantee for high quality Conductivity Sensor Element, Portable Multi-Parameter Calcium Ion Concentration Meter, High Power Digital High Shear Emulsifier. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of salinity pen in China, featured by quality products and good service. Please rest assured to buy bulk durable salinity pen in stock here from our factory. We also accept customized orders.