The YSI 900 Chlorine Colorimeter is a rugged, waterproof, single-parameter instrument for the measurement of Total chlorine or Free chlorine. Whether you need to measure chlorine in wastewater, groundwater, or swimming pools, this chlorine tester features a fully waterproof design and an easy-to-read display, delivering accurate readings in minutes.

The instrument is equipped with a real-time clock, automatic data logging, and the ability to export data to a PC or printer via the 900 Series Data Hub for infrared data transfer.

Features

• Operating temperature range: 41 to 104°F (5 to 40°C)
• 16 data sets memory capacity
• Large, easy-to-read backlit LCD display
• IP68 waterproof housing
• Photometric accuracy: 3% FS
• 20 min auto shut-off after last key press
• Up to approx. 17 continuous hours of operation or 5,000 tests per battery charge