Hanna Instruments Checktemp 1 Instruction Manual Download Page 2

Dear Customer,

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].

Preliminary Examination

Remove the 

HI98509

 Checktemp

®

1 and accessories from the packing material and examine it carefully. If you 

require any further information, please contact Hanna Instruments technical support team at [email protected].

HI98509

 is supplied with: 1.5V AAA battery (3 pcs.), meter stand, and Instruction manual with instrument 

quality certificate printed on the back.

General Description & Intended Use

HI98509

 is a high-accuracy thermometer connected to a stainless steel probe by a 1 m (3.3’) flexible, 

silicone cable. The probe incorporates an NTC thermistor sensor, providing accurate temperature 

measurements compliant with HACCP requirements. Lightweight and easy to clean the sharp-tip penetration 

probe, is  ideal for checking the temperature of semi-solid products such as fruit, vegetable, and cheese. This 

probe can also handle measurements in liquid, air, and frozen materials.

Specifications

Range

−50.0 to 150.0 °C ;  −58.0 to 302.0 °F

Resolution

0.1 °C (−50.0 to 150.0 °C); 0.1 °F (−58.0 to 199.9 °F) / 1 °F (above 200 °F)

Accuracy

±0.2 °C (−30.0 to 120.0 °C); ±0.3 °C (outside: −50.0 to −30.0 °C and 120.0 to 150.0 °C)

±0.5 °F (−22.0 to 199.9 °F); ±1 °F (outside: −58.0 to −22.0 °F and 200.0 to 302.0 °F)

Probe

AISI 316 stainless steel with 1 m (3.3’) silicone cable

Battery type / life 1.5V AAA  / approximately 2 years of use
Auto shut-off

8 min. (default), 60 min. or OFF

Environment

−30 to 50 °C (−22 to 122 °F);  IP65

Dimensions

107 x 59 x 17 mm (4.2 x 5.3 x 0.7“)

Weight

130 g (4.6 oz.)

Certification

EN13485;  suitability: storage

Climatic environment: E;  accuracy class: 0.5

Operation

Press the 

ON/OFF

 button to turn the thermometer on.

CAL Check™ automatically verifies the thermometer’s circuit accuracy at 0.0 °C. 

During start up, the calibration of the instrument’s circuit is checked and the result is briefly displayed to 

show the calibration result.

CAL

” and “

-0-

” indicate that the instrument performs within specifications.

Err

” displayed during measurement indicates that the user has to wait for the reading to stabilize.

Note: 

The CAL Check system can only check the electronic circuit calibration and does not check the sensor 

of the Checktemp 1. It is recommended to check the sensor by performing an ice test or comparative test 

against a reference thermometer.

Meter Setup

Remove the battery cover to find the 

SET

 button located inside.

Press 

SET

 button once for temperature unit selection and twice for auto shut-off selection. With current 

temperature unit displayed:

• Press the 

ON/OFF

 button to select “

°C

” or “

°F

”. Press the 

SET

 button once to save.

• Press the 

ON/OFF

 button to navigate Auto shut-off options: 8 minutes (“

d08

”, default), 60 minutes 

(“

d60

”), OFF (“

d--

”). Press the 

SET

 button once to save.

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, 

Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA.

IST98509 09/21

Battery Replacement

When the battery symbol is displayed blinking, or the thermometer does not turn on, batteries need to be 

replaced. To replace the batteries:

1. Remove the four screws on the back of the instrument to open the battery compartment.

2. Remove the old batteries.

3. Insert three new 1.5V AAA batteries in the battery compartment while paying attention to the correct 

polarity. Do not mix old and new Alkaline batteries.

4. Close the battery compartment using the four screws.

Note: 

Only use the battery type specified in this instruction manual. Old batteries should be disposed of in 

accordance with local regulations.

Certification

All Hanna Instruments conform to the 

CE European Directives.

Disposal of Electrical & Electronic Equipment.

 The product should not be treated as household waste. 

Instead, hand it over to the appropriate collection point for the recycling of electrical and electronic 

equipment, which will conserve natural resources.

Disposal of waste batteries.

 This product contains batteries, do not dispose of them with other household 

waste. Hand them over to the appropriate collection point for recycling.

Ensuring proper product and battery disposal prevents potential negative consequences for the environment 

and human health. For more information, contact your city, your local household waste disposal service, 

or the place of purchase.

Recommendations for Users

Before using this instrument, make sure that it is entirely suitable for your specific application and for 

the environment in which it is used. Any variation introduced by the user to the supplied equipment 

may degrade the instrument’s performance. For your and the instrument’s safety do not use or store the 

instrument in hazardous environments.

Warranty

HI98509

 Checktemp 1 is warranted for a period of one year against defects in workmanship and materials 

when used for its intended purpose and maintained according to instructions. This warranty is limited to 

repair or replacement free of charge. Damage due to accidents, misuse, tampering, or lack of prescribed 

maintenance is not covered. If service is required, contact your local Hanna Instruments office. If under 

warranty, report the model number, date of purchase, serial number, and the nature of the problem. If the 

repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be 

returned to Hanna Instruments office, first obtain a Returned Goods Authorization (RGA) number from the 

Technical Service department and then send it with shipping costs prepaid. When shipping any instrument, 

make sure it is properly packaged for complete protection.

Hanna Instruments reserves the right to modify the design, construction, or appearance of its products without 

advance notice.

ON/OFF  

button

SET  

button

Silicone cable

Liquid Crystal 

Display

Temperature 

probe

Meter stand

Maximum 

Immersion 

Level

Recommended 

Immersion Level 

4 cm (1.5”)

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