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Tel-Tru

®

 Check-Set

®

 Series of Thermometer Calibrators

QUICK START GUIDE

STEP 1

STEP 2

STEP 3

STEP 4

STEP 5

Register your new Check-Set at 

www.teltru.com/checksetwarranty.aspx 

Insert the power 

cord into a standard 

grounded outlet and 

turn the unit on.

After a brief warm up period your Check-Set is ready for use. The unit is ready when you see the green 

light turn on. Insert your thermometer and allow it to stabilize.

You’re ready! 

Verify or calibrate your thermometer per the 

manufacturer’s instructions (see reverse).

SCAN ME 

for quick registration 

on our website!!!

STEP 6

Keep your original 

packaging for 

calibration returns 

and warranty 

service. Visit us at 

www.teltru.com/

calibrator.asp 

for an extended 

user’s manual, 

FAQ and 

accessories for 

your Check-Set.

FACTORY RECALIBRATION/
RECERTIFICATION SERVICE 

Tel-Tru Manufacturing Co. offers annual 

maintenance, inspection, cleaning, and 

accuracy recertification of each Check-Set 

thermometer calibrator.  Recertification 

automatically extends the product warranty 

for one year.  Visit us at 

www.teltru.com/

calibrator.asp 

or contact Tel-Tru Customer 

Service at 800-232-5335 for details.

Registering your Check-Set: 
•  Ensures warranty coverage for one year. 

•  Provides valuable information on how to have 

your Check-Set recalibrated every year and 

extend your warranty.

•  Offers suggestions on how to keep your 

 

Check-Set running trouble free for years to 

come.

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