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Hanna Instruments Inc.

, 584 Park East Drive, Woonsocket, RI 02895 USA 

www.hannainst.com

QUICK REFERENCE GUIDE

HI839800 Hanna Instruments COD Reactor 

for

 

Chemical Oxygen Demand and user-specific analysis 

Available Models

• 

HI839800-01

 

115 Vac, USA plug

• 

HI839800-02

 

230 Vac, European plug

Package Contents

• 

HI839800

 

• 

HI740217

 Laboratory safety shield

• Power cable
• Quick reference guide with 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

• Three stored temperature programs 

 105

 

°

C, 150

 

°

C, 170

 

°

C

• Three configurable temperature programs 

• Up to 25 vials block capacity

Key Applications

Methods that require digestion

Temp. (°C) Timer (minutes)

Hanna Instruments COD methods 150 / 170

120 / 15

Other methods

150 / 105

30 / 60

Reducing sugars (wine analysis)

105

7

User-specific programs

30 to 170

up to 180

COD Analysis Procedure, Equipment, Accessories

1.  Sample and blank preparation › 

HI93754

X

-

25*

2.  Sample digestion › 

HI839800

3.  Measurement › 

HI801

HI83399

HI83314

HI83224

HI97106

*

Visit 

www.hannainst.com 

for

 

reagent vial sets ordering codes

Brief Operational Overview

• Plug in to power. AC power socket with fuse holder (1).

• Press the ON/OFF switch (2) to turn the instrument on.

ON

O

OFFFF

2

1

Keypad functions

START

STOP

PROG

SET

HEATING

POWER

HOT

2

3

4

5

1

1. Program navigation (stored and custom programs)

Program configuration (time and temperature)

2. Long press to enter edit mode / short press to save value

3. START program / digestion

4. STOP digestion / exit edit mode

5. Reactor block status

Program Selection and Configuration

1. Use 

ud

 keys to select stored program.

• Option to continue with stored program. 

2. Alternatively, long press 

k

 to enter edit mode.

3. Use 

ud

 keys to configure blinking temperature value. 

4. Press 

k

 to confirm.

5. Use 

ud

 keys to configure blinking timer value. 

6. Press 

k

 to confirm.

Safety Precautions

•    Observe “Hot surface” warning!

• Use of supplied safety shield strongly recommended.

• Read the Safety Data Sheets (

sds.hannainst.com

) prior to 

handling reagents.

Please retain for future use. 

QR839800 04/23

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. HI839800 is warranted 

for a period of two years against defects in workmanship and materials when 

used for its intended purpose and maintained according to instructions.

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/HI839800

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