# YSI Pro20i Dissolved Oxygen and Temperature Meter

> YSI Pro20i dissolved oxygen and temperature meter with 1, 4 or 10 m integral cable and galvanic or polarographic sensor kit. Quote from ERE Canada.

- **URL:** https://www.ereinc.com/products/pro20i-dissolved-oxygen-temperature-meter
- **Type:** Water Quality Meter
- **Brand:** YSI
- **Pricing:** request a quote at https://www.ereinc.com/products/pro20i-dissolved-oxygen-temperature-meter
- **Tags:** brand:ysi, cat:water-quality, dept:instruments-sales, ere-equip, Type: Water Quality Meter, water monitoring, Water Quality Meters, xylem-wave-2026-10-27-ysi

## Description

The YSI Pro20i is a rugged handheld dissolved oxygen and temperature meter with an integral (non-detachable) field cable in 1, 4 or 10 m and a user-replaceable galvanic or polarographic DO sensor. Each kit ships complete with the sensor. One Touch Cal calibrates DO in seconds and an internal barometer compensates automatically.
- Six complete kits: 1, 4 or 10 m integral cable with a polarographic (2003) or galvanic (2002) DO sensor
- One Touch Cal for DO calibration in seconds
- Automatic barometric pressure compensation (internal barometer)
- 95% response in 8 seconds with the standard membrane
- 50 data set memory; graphic backlit display with glow-in-the-dark keypad
- IP-67 waterproof rubber over-molded case, 1 m drop tested
- User-replaceable DO sensors; about 400 hours on 2 alkaline C-cells
- 3-year instrument warranty; 2-year cable warranty

## Images
- https://cdn.shopify.com/s/files/1/0561/7434/6433/files/YSI-Pro20i-Sampling-Handheld-System.webp?v=1697047383
- https://cdn.shopify.com/s/files/1/0561/7434/6433/files/ProSeries-Galvanic-DO-Sensor.jpg?v=1793110800