YSI 9800 Photometer

YSI 9800 Multiparameter Photometer

The YSI 9800 is a portable multiparameter photometer designed for fast, accurate water quality testing in both field and laboratory environments. As the latest addition to YSI’s trusted range of portable instrumentation, it provides direct measurement for over 30 water quality parameters using proven photometric testing methods.

Replacing the discontinued YSI 9300 and YSI 9500 models, the YSI 9800 combines advanced functionality with a modern, user-friendly touchscreen interface, making water quality analysis quicker, simpler, and more accessible for users of all experience levels.

Please Note: Reagents are sold separately.

Fast, Accurate Water Quality Testing

Built for versatility, the YSI 9800 supports over 30 pre-programmed tests, with the flexibility for users to define custom methods. Its intuitive touchscreen display provides step-by-step on-screen instructions, simplifying testing procedures and reducing operator error.

Suitable for a wide range of applications, the YSI 9800 is ideal for environmental monitoring, wastewater analysis, drinking water testing, and laboratory-based water quality assessments.

Rugged & Field Ready

Designed for demanding environments, the YSI 9800 features a durable IP-67 waterproof housing and impact-tested construction, making it suitable for reliable use in the field or lab.

Key durability features include:

• IP-67 waterproof rating

• Impact-tested for enhanced durability

• Abrasion-resistant and chemical-resistant coating

• Large full-colour touchscreen, operable with wet or gloved hands

• Ergonomic handheld design for comfortable use

Smart Data Management

The YSI 9800 is built with powerful onboard data handling and connectivity options to improve compliance, traceability, and reporting.

• Stores up to 1,000 data sets

• Automatically records test results, Data IDs, and user information

• USB connectivity for simple data transfer and instrument power

• User-upgradeable software via PC connection

• Adjustable settings for units, sample numbers, and dilution factors

• Multi-language support including English, French, Spanish, and Mandarin

Sustainable by Design

The YSI 9800 is designed with long-term sustainability in mind, featuring a fully serviceable and repairable design to extend instrument lifespan. Its carrying case is made from 100% recycled materials, while its battery provides up to 5,000 tests per set for improved efficiency.

Available Parameters

Alkalinity, aluminium, ammonia, bromine, calcium hardness, chloride, chlorine, chlorine dioxide, chromium, copper, cyanuric acid, fluoride, hardness, iron, magnesium, manganese, nickel, nitrate, nitrite, ozone, pH, phosphate, potassium, silica, sulfate, sulfide, sulfite, turbidity and zinc.

Included in the YSI 9800 Kit

Each YSI 9800 Photometer kit includes:

• YSI 9800 photometer

• Carrying case

• Dilution tube

• 10 mL syringe

• Polishing cloth

• Absorbent cloth

• Test tube brush

• USB Type A to C cable

• 10 stir rods

• 10 test tubes

• Reagent box

• Quick start guide

Combining portability, durability, and advanced photometric testing in one compact unit, the YSI 9800 is an ideal solution for reliable water quality analysis wherever you need it.