background image

• LEDs light up from one end to the other and back, 

and display battery status

4200

3000

6.0

100 % battery

Tester placed in water

2240

1600

3.2

reading not stable

2240

1600

3.2

reading stable

3.0

2240

1600

3.2

2380

1700

3.4

read value 3.3 mS/cm  

140

100

0.2

reading under  range

4200

3000

6.0

reading over  range

• LEDs light up from one end to the other and back, 

and display battery level warning

420

300

0.6

replace batteries

EC Sensor Cleaning 

• Remove the crown-shaped cap and rinse the probe 

under a stream of tap water. 

• Shake excess water off. 

• Leave the tester to dry out.

Package Contents

• 

HI98330

• Quick reference guide & instrument quality certificate

Note:

 Save all packing material. Any damaged or defective 

item must be returned in its original packing material with 

the supplied accessories. 

Main Features

• IP67 waterproof and floating design

• Rugged and doubles as a stirring stick

• No user calibration needed

• Battery level warning

Operational Guidelines

Tester removed from packing 

• Rotate the battery cap counter clockwise to remove 

the protective film. 

• Tightly screw battery cap back on.

Hanna Instruments Inc.

, 584 Park East Drive, Woonsocket, RI 02895 USA 

www.hannainst.com

HI98330 

Nutrient Tester 

EC/TDS

Dear Customer,

Thank you for choosing Hanna Instruments. 
For more information about Hanna Instruments and 

our products, visit www.hannainst.com or e-mail us at 

[email protected]. For technical support, contact 

your local Hanna Instruments office or e-mail us at 

[email protected].

Please scan the 

QR code

 or use 

the link below to download the 

user manual.

https://manuals.hannainst.com/HI98330

QUICK REFERENCE GUIDE

Please retain for future use. 

QR98330 03/23

Hanna Instruments is committed to developing 

and deploying digital solutions with a positive 

impact on the environment and climate.

All Hanna instruments conform to the CE 

European Directives and UK standards, 

and our production facilities are ISO 

9001 certified. HI98330 is warranted for a period of six years 

against defects in workmanship and materials when used for 

its intended purpose and maintained according to instructions.

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