Pro1020 Dissolved Oxygen and pH or ORP Instrument

Overview Documentation & Tools ;


Product Features

The Pro1020 provides everything you need in a handheld meter that measures dissolved oxygen and temperature along with either pH or ORP (redox). Rugged, simple and reliable.Measure pH or ORP, dissolved oxygen, and temperature.

EPA approved for drinking water and wastewater compliance reporting.

Instrument Only.  Cables, probes/sensors, and accessories sold separately.


Take advantage of the Complete Solution promo going on now through December 31, 2019. Order a Pro1020 system (handheld, cable, and sensor) and receive a carrying case, shoulder strap, case of pH buffer, and a membrane kit (any type) for FREE (US only). Use the code Pro1020complete to receive your discount. Please see the ordering directions below for more detail.

Rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of either pH or ORP along with temperature, and dissolved oxygen.

User-replaceable sensors and cables along with convenient calibration routine feature makes it extremely user friendly. Mil-spec (military spec) connectors, IP67 waterproof and rubber over molded case, and 1-meter drop tests ensure the instrument remains in your hands to provide years of sampling even in the harshest field conditions. The feature set of the Pro1020 results in a low total cost of ownership over the life of the product and proves that it is smarter, tougher, and more versatile.

Additional features include:

  • User-replaceable cables and sensors provide versatility, reduce down time and reduce overall cost of ownership.
  • Available with 1- 4- 10- 20- and 30-m cable lengths standard (cable management kit included on all cables 4-m and longer).
  • Smart calibration; the instrument remembers the previous calibration values and simply walks you through the routine.
  • Stores 50 data sets; no need to write down data.
  • Large graphic, backlit display and glow in the dark keypad. Usable in any lighting condition. The display is also visible when wearing polarized sunglasses.
  • Tough. IP67, impact-resistant, waterproof case. Waterproof without the battery cover as well.
  • Rubber over molded case provides extra durability. Military spec connectors are unsurpassed for ruggedness.
  • Multiple languages include English, Spanish, French, and Portuguese.
  • Choose either polarographic or galvanic DO sensors.
  • Quick response times; 95% DO response time in approximately 8 seconds with standard membrane (fastest response time in the market).
  • 3-year instrument; 2-year cable; 1-year sensor warranty (Galvanic DO is 6-months)

YSI now offers an Extended Warranty for the Pro1020 (new instruments only).

When ordering the Pro1020 you must order the instrument, cable, and dissolved oxygen (Polarographic of Galvanic), pH or ORP sensor separately, allowing you to choose the system that best fits your application. Temperature is part of the cable you order and included in the cable purchase.

How to Order a Pro1020 Complete Solution Package:

1. Add the following to your cart using the order tabs above:Pro1020 meter

  • Pro Series pH/ORP/ISE and DO cable (any length)
  • Pro Series pH or ORP sensor
  • Pro Series polarographic or galvanic DO sensor
  • 5908 or 5913 membrane kit
  • Assorted case of pH buffer (603824)
  • Soft-sided case (603075 or 603162)
  • Shoulder strap (603070)

2. Apply the code Pro1020complete to your order before checking out.

Wondering if it will be difficult to change your dissolved oxygen cap membrane? If you have 15 seconds we'll show you how.

SKU: 6051020


Documentation & Tools

Documentation & Tools