YSI EXO Handheld Display
The YSI EXO Handheld allows users to log real-time data, calibrate sensors, setup sondes for deployment, and transfer water quality data to a PC.
Features
- Quickly transfer collected data sets and calibration records to a USB flash drive
- Integrated GPS with site tagging for up to 100 locations
- Long-life Li-Ion battery eliminates the need for alkaline batteries
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The YSI EXO Handheld is designed and engineered as a dedicated interface to EXO sondes. Log real-time data, calibrate sensors, set up sondes for deployment, and transfer water quality data to a PC with this feature-packed device. Designed for reliable field use in challenging environmental conditions, this display features a waterproof IP-67, impact-resistant case and wet-mate connector.
Benefits
- Ergonomic and lightweight device for sampling and profiling
- Simplified user interface and integrated help screens
- Automatic calibration reminders based on standard operating procedures
- Georeferenced data set using GPS and site tagging functionality for up to 100 locations
- Transfer collected data sets and calibration records to a USB flash drive with the push of a button
- Powerful rechargeable Li-Ion battery
- (1) EXO handheld
- (1) Micro USB cable
- (1) USB female to micro USB male adapter
- (1) AC power supply
In The News
YSI EXO3s: The Latest in Water Quality Monitoring
The YSI EXO3s offers the latest in multi-parameter water quality monitoring equipment that has a comprehensive list of smart sensors. With an external power source, this sonde is a cost-effective, compact EXO that has the same capabilities as the EXO3 . The sonde is built to last with resilient materials and backed with vigorous testing. 
 
The device has five ports for available YSI EXO smart sensors or central wiper. It seamlessly integrates with a data logger to collect and push valuable data to the cloud for access from a PC or mobile device. This small sonde is exceptional for both sampling and continuous monitoring applications.
Read MoreYSI EXO Handheld Display: Dependable, Easy To Use
YSI has released a new EXO Handheld Display for use with its EXO Multi-Parameter Water Quality Sondes. The updated handheld integrates around four years of customer feedback for a solid device that adds a lot of utility and user-friendliness. 
 
The appearance of the device has undergone a dramatic update, as YSI engineers opted to swap out the previous handheld’s look for the highly ergonomic Pro Series body that many customers love. Possibly more important, though, is that the body is ultra-durable and has proven itself in tough field applications over the years. 
 
“These handhelds have been to the bottom of aeration tanks and dragged behind moving vehicles, yet kept on collecting quality data,” said Brandon Smith, YSI Sonde product manager.
Read More2025 Essential Water Monitoring Gear
Stay ahead of the curve with five of the top water monitoring products for 2025. Technological advancements and manufacturing innovations are leading to better quality data, improved price points, and enhanced user experience. And, while the ‘essentials’ list includes several new products, two tried-and-true measurement instruments continue to take a top spot for portable instrumentation. 
 
 These five products were developed by industry-leading suppliers, and in addition to extensive manufacturer testing, our science team tested and verified each instrument’s performance at the Fondriest Center for Environmental Studies .
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