• Single-parameter colorimeter for quick and accurate measurements
• US EPA-approved DPD method
• Large, easy-to-read backlit LCD
• Durable, IP68-rated waterproof housing
• Convenient data storage with GLP time-and-date stamp
The YSI 900 rugged, waterproof chlorine colorimeter is ideal for laboratory, field, and plant measurements. Innovative light shield is designed to avoid breakage or loss. The meter features a large, backlit display, a real-time clock, and automatic data logging for 16 data sets. User calibration is available to any government or organizational standards (NIST, ISO, or DIN).