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When purchasing a product, price is the consumer's primary concern. At present, YSI has 306 products for sale. YSI products range in price from $83.23 to $2025.73, and the average price of all the products is about $665.41. You should take everyting into consideration before buying the products, after all, it is not a small expenditure for most consumers.

We found that most of the YSI products are manufactured by Cole-Parmer, COLE-PARMER, and Thomas Scientific. The manufacturers provide YSI with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase YSI products from the seller Cole-Parmer. The brand holds an average rating of 4.56, testifying to its excellent reputation.

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YSI Best Sellers

Last Updated: Jan 8, 2026

YSI DO200 Kit EcoSense DO 200 Dissolved Oxygen Meter Kit

  • Battery: 1 x 9 v battery (included)
  • Automatic temperature compensationmanual input for salinity and barometric pressure compensationeasy-to-replace screw-on cap membranes
  • Dissolved oxygen accuracy: 2 percent fs

YSI-605203 Pro Series Polarographic Dissolved Oxygen Sensor

  • Package Dimensions: 12.953 cms (L) x 10.921 cms (W) x 4.826 cms (H)
  • Product Type: Lab Supply
  • Package Quantity: 1

YSI - 6050020 Pro20 Lab/Field Dissolved Oxygen/Temperature Meter, 0 to 50 mg/L, 0.1 mg/L, 0 to 20 mg/L, -5 to 55 degree C, 8-1/2" Length x 3-1/4" Width x 2-13/64" Depth

  • Handheld dissolved oxygen (DO) and temperature meter for lab or field use
  • One Touch Cal feature calibrates the meter within three seconds
  • Graphical, backlit display and glow-in-the-dark keypad

YSI 6050020 Pro20 Handheld Dissolved Oxygen Meter (Meter Only)

  • One Touch Cal allows easy DO calibrations within 3 seconds with the press of a button. Automatic barometric pressure compensation
  • Stores 50 data sets; no need to write down data
  • Graphic, backlit display and glow in the dark keypad

YSI 5935204 6050020 Pro20 Dissolved Oxygen Meter, waterproof

  • Product Type: dissolved oxygen meter
  • Meter style: portable. MS (military spec) waterproof with bayonet lock
  • Range (dissolved oxygen): 0 to 50 mg/L

YSI Pro 10 pH/ORP/Temperature Portable Meter

  • Configurable to laboratory or field applications
  • Choose from laboratory probes with cables, or separate field probes and field cable lengths
  • Readable in any lightbacklit display with glow-in-the-dark key pad

YSI 607132 Pro20i Dissolved Oxygen & Temperature Meter, 10M Integral Cable and 2003 Polarographic Sensor Kit

  • Package Dimensions: 16 Lx 14 Hx 14 W (inches)
  • Package Weight: 2.8 pounds
  • Country of Origin : United States

YSI-60520 Pro Series 4 Meter Cable Assembly for Dissolved Oxygen/Temperature Meter

  • Product Type:Lab Supply
  • Item Package Dimension:38.354 cm L X34.29 cm W X8.636 cm H
  • Item Package Weight:2.2 lbs

YSI 607130 Pro20i Dissolved Oxygen & Temperature Meter, 1M Integral Cable and 2003 Polarographic Sensor Kit

  • Intuitive operation allows for quick calibrations
  • Package Dimensions: 38.608 H x 8.636 L x 34.036 W (centimeters)
  • Package Weight: 1.746 kilograms

YSI pH10A pH 0A pH/Temperature Pen Tester

  • Automatic temperature compensation
  • User-replaceable single- or double-junction electrodes
  • Clear, easy-to-read graphic display with on-screen instructions

YSI 607125 Pro20i Dissolved Oxygen & Temperature Meter, 4M Integral Cable and 2003 Polarographic Sensor Kit

  • Intuitive operation allows for quick calibrations
  • Package Dimensions: 3.25 H x 7.63 L x 5.25 W (inches)
  • Package Weight: 2.3 pounds

YSI 605306 Cap Membrane Kit, 1.25 mil, 6 PE Membranes, Includes Electrolyte, Yellow Cap

  • 1.25 mL PE membranes with Yellow cap
  • Response Time (T95 - from 0 to 100%) = 8 seconds
  • Flow Dependence After 4 Minutes = 25%

YSI 605203 605202 Pro Series Replacement DO Probe; Polarographic

  • Optimize the performance of YSI meters
  • Choose from a variety of accessories
  • Easy replace probe for Pro20, Pro20i, Pro1020, Pro2030, and Prop Plus meters—no tools necessary Convenient screw-on cap membranes make membrane changes quick and easy

YSI-605202 Pro Series Galvanic Dissolved Oxygen Sensor

  • Easy user-replaceable sensor allows for quick sensor replacements if needed
  • No tools necessary
  • Uses convenient screw-on cap membranes making membrane changes simple and easy

YSI Ph10 Model # ph10A pH Temperature Pen Tester

  • Product Type :Lab Supply
  • Package Dimensions :8.0 " L X14.0 " W X3.0 " H
  • Country Of Origin :United States

YSI 5906 Replacement DO Membrane Cap kit, 1.00 mil PTFE

  • Makes membrane chanages quick and easy
  • Teflon caps offer reliable performance for most dissolved oxygen applications
  • Provides superb fouling resistance

YSI EC300A Conductivity/Salinity/TDS/Temperature Handheld, Meter Only

  • Portable meter measures conductivity, specific conductance, salinity, TDS, and temperature for water quality testing applications
  • Automatic temperature compensation (ATC) for accurate readings in fluctuating temperatures
  • Onscreen tutorial messages for calibration and measurement procedures display on a large LCD screen

YSI 601028 EcoSense Kit with DO200M Dissolved Oxygen/Temperature Meter, 1M Probe and Carrying Case, 5908 Cap Membrane Kit

  • Ip-67 waterproof housing
  • Waterproof micro-usb port for transferring data to pc
  • Holds 250 data sets, no need to write d data

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