• Integral (i.e. built-in) cable with 1- 4- 10-m field cable
• User-replaceable DO sensors
• One Touch Cal allows for easy DO calibrations within 3 seconds with the press of a button
• Automatic barometric pressure compensation
• Quick response times; T-95 response time in 8 seconds with standard membrane (fastest response time on the market)
• Stores 50 data sets; no need to write down data
• Large graphic, backlit display and glow in the dark keypad, visible in any lighting condition
• Display is visible when wearing polarized sunglasses
• A true field instrument with IP-67, impact-resistant, waterproof case. Waterproof with and without the battery cover.
• Rubber over molded, slip-proof case provides extra durability
• Multiple languages: English, Spanish, French, and German
• Warranty: 3-year instrument, 2-year integral cable, 1-year polarographic sensors, 6-month galvanic sensor

• Cable Options: 1- 4- 10-m lengths (3.28, 13.1, 32.8 ft.)
• Certifications: RoHS, CE, WEEE, IP-67 waterproof, 1-meter drop test
• Languages: English, Spanish, German, French
• Memory: 50 data sets
• Power: 2 alkaline C-cells providing ~400 hours of battery life (without backlight); low battery indicator when 1 hour is left
• Size: 8.3 cm width x 21.6 cm length x 5.6 cm depth (3.25 in. x 8.5 in. x 2.2 in.)
• Warranty: 3-year instrument; 2-year cable; 1-year polarographic sensors; 6-month galvanic sensors
• Weight: 475 grams (1.05 lbs.) (with batteries)

• (1) YSI Pro20i meter with integral cable
• (1) Dissolved oxygen sensor kit with cap membrane kit
• (1) Operations manual
• (2) C-cell batteries

Brochure/Datasheet

Instruction Manual

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Note: Prices are not binding at any time subject to change without prior notice