The YSI 9800 is a next-generation, portable multiparameter photometer designed to deliver fast and accurate measurements for more than 30 water quality parameters. Suitable for both field and laboratory use, it features a bright full-color touchscreen and an intuitive interface with step-by-step onscreen instructions, making it easy to operate for users of any skill level.
The YSI 9800 is the direct replacement for the YSI 9300 and YSI 9500 photometers.
Waterproof to IP-67, even while powered via USB
Impact-tested for durability
Coated with abrasion- and chemical-resistant materials
Large, glove- and water-compatible touchscreen display
Onscreen guided testing procedures
Comfortable, ergonomic form factor
Supports 30+ preloaded tests with the option to create custom methods
Multiple language options: English, French, Spanish, Mandarin
Customizable settings for units, sample numbers, and dilution factors
Automatic data logging with user information for compliance and traceability
Easy data management and power supply via USB
Software upgrades through PC USB connection
Stores up to 1,000 data sets
Carrying case made from 100% recycled materials
Extended battery life—up to 5,000 tests per charge
Please note reagent kits for required parameters must be purchased separately.
| Instrument Type | Multiparameter Photometer |
| Wavelengths | 430 nm, 465 nm, 530 nm, 575 nm, 620 nm |
| Accuracy | ± 1%T (transmission) |
| Display | Large, Color LCD |
| User Interface | Touch screen with walkthrough text instructions |
| Dimensions |
Width: 211 mm
Length: 195 mm
Height: 52 mm
|
| Weight | 0.85 kg (1.87 lbs) |
| IP Rating | IP-67 |
| Power Supply | 6x AA Batteries or through USB |
| Connectivity | Connect to PC via USB cable |
| Memory Capacity | 1,000 data sets |
| Battery Life | 5,000 tests on one set of batteries |
| Languages | English, French, Spanish, and Chinese (Simplified) |
| Certifications | EN61326, EN61010, IP67, and EN60068-2-78 |
| Parameters | Alkalinity, aluminium, ammonia, bromine, calcium, chloride, chlorine, chromium (VI), colour (includes turbidity), copper (free, total, combined), cyanuric acid, fluoride, hardness, iron (3 ranges), magnesium, manganese, nickel, nitrate, nitrite (N//NaNO2), ozone, pH, phosphate (3 ranges), potassium, silica (2 ranges) sulphate, sulphide, sulphite, zinc. Reagent kits to be purchased separately |
| Kit Contents |
YSI 9800 photometer, dilution tube, 10 mL syringe (luer fitting), polishing cloth, absorbent cloth, test tube brush, USB Type A to C cable, 10 stir rods, 10 test tubes, reagent box, quick start guide |