Extech Instruments TM55 Manuale utente
USER GUIDE
Digital Food Thermometer
Model TM55
Introduction
Thank you for selecting the Extech Instruments Model TM55. The TM55 is NFS certified
for measuring the temperature of liquids, pastes, and semi-solids for all-purpose food
checks. The TM55 was designed for use in the food industry, in homes, businesses,
laboratories, agricultural applications (for soil), and educational facilities. This device is
shipped fully tested and calibrated and, with proper use, will provide years of reliable
service. Please visit our website (www.extech.com) to check for the latest User Guide,
Product Updates, and Support.
Features
Pocket size, fold-out thermometer
NSF certified for measuring liquids, pastes, and semi-solid foods
Probe length 2.4” (60 mm); tapered probe tip for easy insertions
Splash-proof housing is IP 65 rating
Ultrasonically welded housing with anti-microbial additive
Automatic Power OFF after 60 minutes
Built-in magnetic strip allows for appliance attachment
Dishwasher friendly (top rack only!)
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Safety
Before use please read the entire User Guide carefully
This product is intended for applications described in this User Guide only
Unauthorized repairs/modifications/changes to this product are prohibited and
void the warranty
This instrument is not intended for use in medical applications or on medical
devices of any kind
Caution! Risk of Injury
Keep this instrument and its batteries out of the reach of children
Be careful when using the probe. Always store the instrument safely folded.
Do not place batteries in a fire
Do not short-circuit batteries
Do not dis-assemble the batteries
Do not attempt to re-charge the batteries. Risk of explosion!
Batteries can be fatal if swallowed, if swallowed get medical assistance immediately
Batteries contain harmful acids. Low batteries should be replaced as soon as
possible to prevent damage caused by leaking batteries
Wear chemical-resistant gloves and eye protection when handling leaking batteries
Important information on Product safety!
Do not expose the unit to extreme temperature, vibration, or shock
Only the probe can withstand temperature up to 482oF (250oC) not the instrument
Never place the probe directly over fire
Getting Started
Using a coin, open the battery compartment by turning the compartment lid to the
left and then remove the insulating strip. Close the compartment after removing
the insulating strip.
Remove the protective display foil.
Carefully fold out the thermometer probe and the unit is now ready to use.
The sensor is located at the tip of the probe. To measure temperature, insert the
probe into the material under test to a depth of at least 0.4” (1 cm).
The probe has a rotational angle of 180 degrees maximum.
Switch the instrument power OFF by carefully folding the probe into its storage
position.
The instrument will automatically switch OFF after 60 minutes of inactivity. To
switch the instrument ON, fold the probe in for 4 seconds and then fold out again.
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Battery Replacement
When the low battery icon and the ERROR icon appear on the display, the
CR2023 battery must be replaced:
Using a coin, open the battery compartment by turning the compartment lid to
the left
Remove the old battery and insert new CR2032 with the positive (+) side facing
upward
Close the battery compartment tightly by turning the compartment lid to the right
Battery Safety Reminders
Please dispose of batteries responsibly; observe local, state, and national
regulations.
Never dispose of batteries in a fire; batteries may explode or leak.
Troubleshooting
NO DISPLAY:
Fold the probe in and wait several seconds. Then fold the probe out.
Check for battery and check for proper battery polarity (positive side facing up)
INCORRECT DISPLAY:
Replace battery
Check the position of the probe; the probe must be inserted into test material to a depth
of at least 0.4” (1cm)
Care and Maintenance
Clean the instrument with a damp cloth. Do not use abrasives, solvents, or scouring
agents
Remove the battery when the instrument is to be stored for long periods
Keep the instrument in a dry storage location
To prolong the battery life close (fold in) the probe when not in use
4 TM55-EN_v1.2 3/20
Selecting the Temperature Unit of Measure (C, F)
Start with the probe folded in (meter switched OFF)
Open the battery compartment as described above in the
battery replacement section
Locate the Unit of Measure switch inside the battery
compartment
Move the switch to the degrees ‘F’ or ‘C’ position as desired
Close the battery compartment carefully
Carefully fold out the probe, the display will now show the selected unit of measure
icon
Specifications
Display Multi-function LCD
Update rate 2 readings per second
Response time in moving liquids 4 seconds (approx.)
Measurement ranges -40 to 482oF (-40 to 250oC)
Resolution 0.1o F/C
Accuracy ± 1oF from -4 to 302oF (± 0.5oC from -20 to 150oC)
Otherwise ± 3oF (1.5oC)
Low battery indication Battery symbol/ERROR icon appear on the LCD
Power supply 1 x CR-2032 Battery
Operating Temperature 32 to 122oF (0 to 50oC)
Dimensions 4.6 x 1.5 x 0.8" (116 x 38 x 20mm)
Weight Approx. 1.3 oz. (41.2g) with battery installed
5 TM55-EN_v1.2 3/20
Two-year Warranty
FLIR Systems, Inc. warrants this Extech brand instrument to be free of defects in parts
and workmanship for two years from date of shipment (a six-month limited warranty
applies to sensors and cables). To view the full warranty text please visit:
https://www.extech.com/warranty.
Calibration and Repair Services
FLIR Systems, Inc. offers calibration and repair services for the Extech brand products we
sell. We offer NIST traceable calibration for most of our products. Contact us for
information on calibration and repair availability, refer to the contact information below.
Annual calibrations should be performed to verify meter performance and accuracy.
Product specifications are subject to change without notice. Please visit our website for
the most up-to-date product information: www.extech.com.
Contact Customer Support
Customer Support Telephone: U.S. (866) 477-3687; International +1 (603) 324-7800
Technical Support: https://support.flir.com
Copyright ©2014-2020 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
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