Ohaus ST400-B Starter Series Portable Waterproof Water pH Meter - Meter Only

• Applications - pH, Oxidation-Reduction Potential (ORP) measurement
• Display - Backlit Liquid Crystal Display (LCD)
• Operation - Rechargeable lithium battery
• Communication - Built-in micro-USB port
• Construction - IP67 waterproof plastic housing, IP67 probes, rubber cover
• Design Features - Data storage of up to 1000 items

Built with IP67 waterproof housing as well as a rubber cover and IP67 probes, the ST400 is ideal for prolonged use in any field environment.

Rechargeable lithium battery provides 40 hours of uninterrupted use and more than 300 charge cycles - eliminating the need to change out batteries often.

The ST400 features intuitive software which guides the user through operation. All necessary information to run tests successfully such as electrode condition is displayed clearly on the large LCD.

Starter 400/400M Portable Water Analysis Meters are robust, lightweight, battery-operated units with waterproof housing which makes them ideal for prolonged use in wet environments, and a rubber protective case fit for field testing. A rechargeable lithium battery ensures hours of trouble-free testing in the field. Intuitive software and an easy-to-view LCD allows for simple operation. A built-in USB port enables easy data transfer.

• IP67 Waterproof Housing for Working in Wet Environments Built with IP67 waterproof housing as well as a rubber cover and IP67 probes, the ST400/400M is ideal for prolonged use in any field environment.
• Rechargeable Lithium Battery Ensures Less Downtime Rechargeable lithium battery provides 40 hours of uninterrupted use and more than 300 charge cycles—eliminating the need to change out batteries often.
• Easy to Operate with Intuitive Software and Information Displayed on the LCD The ST400/400M features intuitive software which guides the user through operation. All necessary information to run tests successfully such as electrode condition is displayed clearly on the large LCD.
• Equipped with Large Storage Capacity and Ability to Transfer Data Easily Via USB The ST400/ST400M has a large data storage capacity of 1000 records. If it exceeds capacity, data can be quickly transferred to a laptop via the micro-USB port, ensuring that users can retain every measurement.

Starter 400D Dissolved Oxygen Meter ST400D, a practical, affordable, low-maintenance DO portable meter equipped with optical technology —ideal for applications that require simple yet accurate DO measurements.

• The optical probe requires minimal maintenance—frequent membrane replacement not needed. Also, warm up and stirring of samples when taking measurements is not required.
• Equipped with a color LCD display, the ST400D is designed to fit comfortably in the palm of your hands. The automatic/manual endpoints enable easy recall of last calibration data and stored information with one touch.
• Simple calibration process offers quick delivery of measurements, and automatic temperature and barometric pressure compensation ensure accurate results.