Name: YSI PRO Series 20i - Dissolved Oxygen Meter (Integral Cable Kit)
Brand: YSI - Xylem Inc.
SKU: 607130
Price: 1167.0 USD
Availability: InStock

The YSI Pro20i is a dissolved oxygen and temperature meter with an integral (non-detachable) field cable — a direct replacement for the discontinued Model 55 and 550A. Every configuration ships complete: handheld, cable, and DO sensor included, so there's nothing else to add. Choose a Polarographic DO sensor for long sensor life, or a Galvanic DO sensor for immediate sampling with no warm-up. IP-67 waterproof, 1-meter drop tested, and EPA-approved for wastewater compliance reporting.

Measures: Dissolved Oxygen, Temperature
Integral cable in 1, 4, or 10 meter lengths — instrument, cable, and sensor included
3-year instrument warranty; 2-year cable warranty; 1-year Polarographic / 6-month Galvanic sensor warranty

Need a carrying case, tripod clamp, or other accessory? Browse the YSI Parts & Accessories collection.

Direct replacement for the discontinued Model 55 and 550A
Integral, non-detachable field cable in 1, 4, or 10 meter lengths
Choice of Polarographic or Galvanic DO sensor
Ships complete: handheld, cable, and DO sensor included
IP-67 waterproof, 1-meter drop tested
EPA-approved for wastewater compliance reporting

Wastewater compliance testing
Legacy Model 55/550A meter replacement
Field dissolved oxygen spot-checking
Aquaculture water quality monitoring
Environmental and industrial DO monitoring
Surface water and groundwater surveys

$1,167.00

Quantity

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ENVIRONMENTAL SAMPLING EQUIPMENT

YSI PRO Series 20i - Dissolved Oxygen Meter (Integral Cable Kit)

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