YSI Portable Products

YSI PORTABLE PRODUCTS

  • Professional Plus Handheld Multiparameter Instrument The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of combinations for dissolved oxygen, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.
  • 910 COD Colorimeter

    The 910 colorimeter is a rugged, waterproof, single parameter instrument for the measurement of COD (chemical oxygen demand).

  • 900 Chlorine Colorimeter

    The 900 colorimeter is a rugged, waterproof, single parameter instrument for the measurement of Total chlorine or Free chlorine.  Whether you need to measure chlorine in wastewater, chlorine in groundwater, or in pools, this chlorine tester is waterproof with an easy to read display and will provide readings in minutes.

  • Pro30 Conductivity Instrument

    Rugged and reliable, the YSI Pro30 provides everything you need in a handheld conductivity meter.

  • YSI EC30A Pen-Style Conductivity Instrument

    The EC30A is part of the EcoSense® family of products. The EC30A offers accurate, low-cost measurement of conductivity and TDS (total dissolved solids) along with temperature.

  • EcoSense DO200A Dissolved Oxygen Meter

    The DO200A is part of the EcoSense® family of products. The DO200A dissolved oxygen instrument offers fast dissolved oxygen response times in wastewater, surface water, and aquaculture applications.

  • pH10A Pen-Style pH Instrument

    The pH10A is part of the EcoSense® family of products. It's the perfect instrument for economical spot sampling of pH and temperature in many applications including wastewater, surface water, aquaculture, hydroponics, pools, and education.

  • Pro2030 Handheld DO/Conductivity Instrument Field Dissolved Oxygen / Conductivity "YSI did a great job on this design. Our staff of about 20 people consists of old veterans to recent college grads, and not one so far has had a negative comment."
  • EcoSense pH100A pH Meter

    YSI's EcoSense® product line of compact, handheld instruments includes the pH100A pH meter. For simple, one handed operation for pH readings or mV values and temperature the pH100A is a logical choice.

  • pHotoFlex Colorimeters

    The pHotoFlex line of colorimeters is the newest addition to YSI's full range of colorimeters. These rugged, waterproof, multiparameter colorimeters are ideal for laboratory and field testing.

  • EcoSense EC300A Handheld Conductivity Meter

    The EC300A handheld conductivity instrument is part of the EcoSense® family of products.

  • Pro20 Handheld Dissolved Oxygen Instrument The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's design.
  • 9300 / 9500 Photometer The YSI 9300 and YSI 9500 are economical photometers in small packages for any application. These portable photometers allow you to easily take readings directly in the field for 100+ parameters.
  • 556MPS Handheld Multiparameter Instrument Rugged, reliable and waterproof, the YSI 556 MPS (Multiprobe System) combines the versatility of an easy-to-use, easy-to-read handheld unit with all the functionality of a multiparameter system.