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Thank you for using an EXO™ Sonde
for your environmental monitoring!

This document will assist with the initial steps 
required to use an 

EXO Sonde

.

Refer to the EXO User Manual for: 

• 

Part numbers and accessories 

• Maintenance guidelines 
• Sensor calibration instructions 
• Connecting EXO to a Data Logger

See reverse for more information. 

Install probes into the sonde bulkhead

Items Needed

Included in Packaging

  • EXO Sonde
  • Batteries*
  • Battery cover wrench*
  • Sensor tool with magnet  
        (to activate 

Bluetooth®

)

  • Kor™ Software on USB flash drive

*Applies to EXO Sondes with a battery 
compartment only. 

 

Not Included 

  • Sensors (Probes)
  • EXO Handheld or PC running Kor Software
  • USB cable and adapter, field cable,  
        or EXO GO (sold separately)

 

Preparing Sonde for Use

To prepare the sonde for operation,  
you will need to:
  • Install probes into the connector ports  
        on the sonde bulkhead
  • Install batteries
  • Load Kor Software and drivers onto PC
  • Connect sonde to EXO Handheld  
     device or PC

Install Sensors

1. Remove buffer bottles and hydration  caps  
  on the sensors (if applicable).
2. Remove the calibration cup and guard  
  from the sonde.
3. Remove port plugs and install the sensor onto  
  the bulkhead. Start by finger-tightening each  
  locking ring until snug. Then use the probe  
  tool to give the locking ring another quarter  
  turn until it is fully seated on the bulkhead. Be  
  careful not to over-tighten or strip the port.

Ports are “universal,’” which means any sensor** 
can be plugged into any port. 

The Central Wiper must be installed in the 
correct port to function properly:

• EXO2

 

– Port 7  

 

• 

EXO3 

– Port 5

** EXO NitraLED may only be installed on:

• EXO2

 

– Port 6 

 

• 

EXO3 

– Port 4

 

Registration  

Register your product online to  
activate your warranty and keep informed  
of software updates:

 

YSI.com/warranty

Keep your serial number on file:

 

Date of purchase:

Unpacking and Inspection

Inspect the outside of the shipping container(s) 
for damage. If you see any damage, contact the 
shipping carrier immediately. 

Remove the equipment from the shipping box. 
Some parts are loose in the box, so check the 
packing material carefully.

Quick Start Guide

Item #603794

Item# 603794 Dwg# 603794 

April 2021 Rev D 

EXO3

S

EXO3

EXO2

S

EXO2

EXO1

S

EXO1

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