Easy to use, rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of dissolved oxygen, temperature and either pH or ORP.

Key Features

• 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 (quick DO cal with the push of 2 buttons).

• 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.

Key Features

• 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: 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 (6-months Galvanic DO)