Our quality policy is to continuously improve the quality management system, provide high-performance Pocket TDS Tester, tds meter and constantly meet customers' demands and expectations for product quality. Since the establishment of our company, tds meter has been our core business. After several years of precipitation, with professional technology and excellent quality control, our products are sold all over the world. Because of focus, so professional. We welcome domestic and foreign customers to visit our company, for guidance, and business negotiation. We have a perfect production process and quality management system, always adhering to the purpose of quality as life, treating customers first. We offer a range of payment options to suit the needs of our clients. In accordance with the requirements of the modern enterprise system, the company persists in reform and innovation, improves the management level, and creates a unique management model and corporate culture system. We specialize in the export of a wide range of products. Our aim is to ensure a long-term return on investment and the satisfaction of all our clients.
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![Pocket TDS Tester]()
Pocket TDS TesterModel: TDS-1H (High range), TDS-1L (Low range)
Measuring range: 0~9999 PPM, 0~2500 PPM
Accuracy: ±2% FS
Resolution: 1 PPM -
![Portable PH Pen]()
Portable PH PenModel: PH-20, PH-20W
Measuring range: PH: 0.1-14.0
Resolution: PH: 0.1; Temperature: 0.1°C 1F
Accuracy: PH: ± 0.1; Temperature: 1°C/2F -
![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 -
![Benchtop Multi-Parameter Carbon Dioxide Ion Concentration Meter]()
Benchtop Multi-Parameter Carbon Dioxide Ion Concentration MeterModel: PXS-CO₂
Concentration range: 1×10-2 ～ 5×10-5 mol/L
PH range: <4
Fill resistance: 300Ω or less (25℃) -
![Portable Multi-Parameter Kalium Ion Concentration Meter]()
Portable Multi-Parameter Kalium Ion Concentration MeterModel: BXS-K
Measuring range: pK: (0.00～6.00)pK; K+: 0.19μg/L～19g/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 -
![Portable Multi-Parameter Cupric Ion Concentration Meter]()
Portable Multi-Parameter Cupric Ion Concentration MeterModel: BXS-Cu
Measuring range: pCu: (3.00～7.00)pCu; Cu2+ : 6.35μg/L～63.5g/L; mV: (-1800～1800)mV
Resolution: 0.01pCu
Basic Error of the Electronic Unit: ±0.02pCu ±1 word -
![Portable Multi-Parameter Nitrate Ion Concentration Meter]()
Portable Multi-Parameter Nitrate Ion Concentration MeterModel: BXS-NO3
Measuring range: pNO3: (0.00～6.00)pNO3; NO3- : 0.19μg/L～19g/L; mV: (-1800～1800)mV
Resolution: 0.01pNO3
Basic Error of the Electronic Unit: ±0.02pNO3 ±1 word -
![Portable Conductivity Tester]()
Portable Conductivity TesterModel: DDB-11A
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:... -
![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 DO Meter]()
Pen DO MeterModel: JPB-70A
Measuring range: (0 ~ 19.9) mg/L
Temperature: (0 ~ 40) °C
Basic Error: ±0.3 mg/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)
Luise Bell
Super honest and good seller! Thank you!
Billy Rodriguez
While steadily promoting business development, this company has not forgotten to always put "serving users and achieving users" in the first place. Our cooperation has been very successful.
Keith Byers
Because we know enough about the quality of this manufacturer's products, we don't want to force ourselves to accept any products that are not as good as theirs.
Robert Stone
The team of this company has given us great help and support during the cooperation process, and our products have also successfully received a lot of praise, which we are very grateful for.
Jeff Labarbera
Your company's technicians are very patient. At first glance, they have received very professional training. They answered every question for me seriously.
Kelvin Norris
The quality of the products is very good and the samples are free of charge, which makes us feel satisfied.
What is a TDS Meter and Do I Need One?...
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What Is A TDS Meter? (+ How And When You Should Use One)...
Jul 14, 2022 · A TDS meter is a small, handheld tool that measures the ‘total dissolved solids’ or ‘tds levels’ in a solution. They are small, battery-powered devices that give a parts per million...
What Is a TDS Meter? How to Test & What it Measures …...
Jun 15, 2022 · What is a TDS Meter? Total dissolved Solids (TDS) is a measure of solid substances dissolved in drinking water, including minerals, metals and organic material smaller than 2 microns....
To create far more benefit for customers is our company philosophy; customer growing is our working chase for Benchtop Urea Photometer, Crude Fiber Apparatus, New Rechargeable Colony Counter. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of tds meter in China, featured by quality products and good service. Please rest assured to buy bulk durable tds meter in stock here from our factory. We also accept customized orders.