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Liquid Crystal 
Display

CAL button

Operation

Thank You

Thank you for choosing a Hanna Instruments product. Please read 

this instruction manual carefully before using the instrument. 
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]
Find your local Hanna Instruments Office on www.hannainst.com

Preparation

The probe is shipped dry. Before using the electrode, remove the protective 
cap. Then follow the calibration procedure.

• Turn the tester on by pressing ON/OFF button.
• Remove the protective cap and immerse the tip of the probe in the 

sample to be tested.

• Stir gently and wait for a stability tag to disappear.
• The electrode automatically compensates for temperature variations.
• The reading on display is directly expressed in:  µS/cm.
• For best results, recalibrate periodically.
• After use rinse the probe with water.
• Always replace the protective cap after each use.

DiST 3

CAL

µS/cm

Specifications

Calibration 
Solutions

HI70031

(1413 µS/cm)                           

Calibration

automatic, single point (1413 µS/cm)

Temperature 
Compensation

automatic, 0.0 to 50.0 ºC  
(32.0 to 122.0 ºF)

Battery type 

CR2032 Li-Ion 3V (1 pc.)

Battery life

approximately 250 hours of continuous 
use

Environment

0 to 50 ºC (32 to 122 ºF);
RH 100% max

Weight 
(without battery)

68 g (2.4 oz.)

ON/OFF button

Temperature 
Sensor (inside)

Probe

Range

0 to 2000 µS/cm 
0.0 to 50.0 

˚

C (32.0 to 122.0 

˚

F)

Resolution

1 µS/cm
0.1 

˚

C  (0.1 

˚

F)

Accuracy 
(@25 °C/77 °F)

±2% F.S.
±0.5 °C (±1.0 °F)

All rights are reserved. Reproduction in whole or in part is prohibited 

without the written consent of the copyright owner.

Hanna Instruments reserves the right to modify the design, 

construction, or appearance of its products without advance notice.

Preliminary Examination

Remove the meter from the packing material and examine it carefully to 
make sure that no damage has occurred during shipment. If noticeable 
damage is evident, contact your local Hanna Instruments Office.
Each meter is supplied with:

•  CR2032 battery (1 pc.)
•  Storage / Protection sleeve 

•  Instruction manual
•  Quality Certificate

Note: Save all packing material until you are sure that the instrument 

functions correctly. All defective items must be returned in the original 

packaging with the supplied accessories.

•  1413 µS/cm calibration solution sachet (4 pcs.)

Operational Guide

To turn the meter ON and check the battery status

Press the ON/OFF button to turn the meter on. At start-up, all the LCD 
segments are displayed for 1 second, then the percent indication of the 
remaining battery life is displayed for another second. The meter then enters 
the normal measuring mode.

Note: Keeping the ON/OFF button pressed while turning the meter on 

will display all LCD segments as long as the button is pressed.

To enter calibration mode

Press the CAL button. “CAL“ message is displayed.

To enter setup mode

Remove the battery cover and press the Setup button located on the side 
of the battery.

Meter Setup

While in measurement mode, remove the battery cover. Press 
the Setup button located on the side of the battery in the battery 
compartment. The meter will enter in setup mode. Press the ON/
OFF button to move through setup parameters. Change option by 
pressing CAL button. The default settings are: “Set t” measure unit - °C,  
“AOFF” - 8 min.

To select the temperature unit (°C/°F)

To select the temperature unit when “SET t” is displayed press the CAL 
button to change between °C or °F.

To select the Auto-Off time

To select the AUTO OFF when “AOFF” is displayed press the CAL button to 
change between 8 min, 60 min or --- (disabled).

To return to measurement mode

Press the ON/OFF button.

Setup 
Button

Recommended

Immersion 

Level

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