ThermoWorks Classic Thermapen User manual

Congratulations
Classic Thermapen is a precision thermometer used for many applications including cooking.
With proper care it will offer accurate measurements for many years. Classic Thermapen is
splash-proof but should not be immersed.
Instrument Operation
The instrument is switched on by unfolding the thermo-
couple probe until the display comes on. Conversely, the
instrument is turned off by folding the probe away and lightly
pressing the tip into the rubber probe retainer located at the
bottom rear of the instrument. It is recommended to store
the probe when not in use.
Do not force the probe further than 180° or damage to
the rotating hub may occur.
The micro-thermocouple sensor is located at the tip of the probe shaft. Minimum immersion
is only 1/8" (3 mm). For best results immerse or penetrate the probe into the food item so the
probe tip is in the place you want to measure. In food, this should normally be the thickest
part.
Classic Thermapen will read to within 1°F of the final tem-
perature of an ice bath within three seconds. Reading times in
other foods may vary slightly.
Do not immerse the probe all the way to the plastic
rotating hub. Avoid getting flour, moisture, or oil on
the hub itself. Although there is an O-ring seal, oils
will work their way past the seal and accumulate in-
side the hub and may cause failure. The probe tip is
sharp. Use caution to avoid injury. Do not “stab” the
material to be measured. Use steady force to pen-
etrate meats or semi-solids. Avoid bone. Do not lift or
flip heavy meats with the probe tip. The probe shaft
is hollow and contains a sensor. If bent, it may fail.
Rotating hub
0.1” 0.55” 0.65”
0.125 dia”
Probe Tip
Sensor location
Minimum immersion 1/8"
Classic Thermapen®
Operating Instructions

Instrument Configuration
You can personalize your Classic Thermapen by changing several factory default settings
including the temperature display units from °F to °C, changing the temperature display
resolution from 1° to 0.1°, and disabling the auto-off feature. To reconfigure these settings,
open the battery compartment (see Replacing the Batteries section for instructions on
opening the battery compartment) and, using a bent paper clip, change the switch bank
settings as instructed below.
Switch 1 – Units Changes the instrument’s display units between (°F) Fahrenheit
and (°C) Celsius. The factory default is °F or switch set farthest
from batteries. To change to °C, move the switch to the position
closest to the batteries.
Switch 2 – Resolution Changes the instrument’s display resolution between 1°(F or C)
and 0.1°(F or C). The factory default is 1° resolution or switch set
farthest from the batteries. To change to 0.1° resolution, move the
switch to the position closest to the batteries.
Switch 3 – Auto-Off Enables or disables the auto-off function. If the auto-off function is
enabled (factory default), the unit will automatically turn off after
10 minutes to preserve battery life. If disabled, the unit will remain
on until the probe is folded away and turned off by the user. The
factory default is auto-off enabled or switch set closest to the
batteries. To disable the auto-off function move the switch to the
position farthest from the batteries.
Switch 4 – Trim Adjust If the Thermapen is within specification, we do not recommend
using the Trim Adjust. It should not be needed in normal use. This
mode allows the user to set an offset that will add or subtract up
to 3.6°F (2.0°C) to all readings of the Thermapen. It can therefore
be used to tune the calibration. For detailed instructions visit www.
thermoworks.com.
Instructions to use the Trim Adjust to tune your Thermapen calibration are downloadable
from the Classic Thermapen webpage. You should not need to do this under normal use. A
complete factory re-calibration, including a certificate, is also available from ThermoWorks
for a fee.
Batteries
Each unit includes two pre-installed CR2032 (3V) coin cell batteries located inside the sealed
battery compartment. An illuminated battery symbol indicates that the battery should be
replaced soon. The instrument will continue to measure accurately, but it is recommended to
replace the batteries immediately. Once the battery is too low to display readings, the display
will be replaced with ‘Flat’ then ‘Bat’ and then shut down. To continue using the instrument,
replace the batteries.
1234
ON
Switch bank
CR2032 battery
Trim adjust
Switch
(factory default shown)
CR2032
3V
+
1234
ON

Replacing the Batteries
The batteries are pre-installed on your new Thermapen and should last up to 1,500 hours.
Should you need to replace the batteries, remove the battery
cover with a coin (a U.S. quarter works best). The battery
cover may be tight in order to maintain the Thermapen’s splash
resistance. Using firm but even downward pressure, rotate the
battery cover only to the open position. Lift the cover from the
hole with a fingernail. Place both
batteries with the positive side up
making sure that the clip snaps
over the batteries to hold them in
place. Replace the battery cover.
Cleaning and Maintenance
To avoid potential bacteria growth
and cross-contamination, wipe
the probe after each use and
regularly clean the entire Thermapen body. Oils and grease
should be wiped off the body and the rotating hub. We recommend sanitizing wipes or
a damp paper towel with an anti-microbial cleaning solution. DO NOT IMMERSE THE
THERMAPEN. The built-in seals will protect the Thermapen from incidental moisture but due
to the folding probe, the Thermapen should not be submerged. Protect the plastic body from
high temperatures. DO NOT LEAVE THE THERMAPEN IN AN OVEN OR ON A HOT SURFACE.
Warning
IPA and other solvents may cause damage to the case and screen of this instrument.
Error Messages
•‘Lo’ is displayed if measurements are being made below the instrument range.
•‘Hi’ is displayed if measurements are being made above the instrument range.
•‘Err’ is displayed if the probe develops a fault. Call for details.
For all other error messages, contact ThermoWorks’ Technical Support at 1-800-393-6434
or techsuppor[email protected].
What is NSF Certification?
The NSF Mark indicates that the design, materials, production process and quality controls
used in the production of the Classic Thermapen have been verified and certified for food
safety by NSF International, an independent standards organization.
Biomaster
Biomaster is a silver-based antimicrobial additive that is molded directly into the plastic
housing that becomes an integral part of the product to prevent bacteria growth on its surface.
The controlled release of the active ingredient provides maximum antimicrobial protection for
the life of the product. When bacteria come into contact with a Biomaster protected surface,
the silver ions prevent them from growing, producing energy or replicating, therefore they
die, inhibiting degradation, discoloration or odors. Biomaster is an additional line of defense
between cleanings.*
NIST-traceable Calibration Certificate
Your calibration certificate is a document showing that your very own Classic Thermapen
is in compliance with key industrial regulations and that its performance meets certain key
standards for high performance. This means that your Classic Thermapen was tested in our
calibration lab and those measurements taken are traceable by an unbroken, documented
chain of calibrations to the National Institute of Standards and Technology (NIST).
Repair Services
ThermoWorks offers a full repair service for Thermapens damaged for any reason. Contact
technical support at 1-800-393-6434 or email techsuppor[email protected].
Additional Technical Information
For more information on using the Thermapen, consult the 20 page Guidebook included and
visit our blog and Help Center for helpful tips and videos at www.thermoworks.com/blog and
help.thermoworks.com.
CR2032
3V
+
1234
ON
CR2032
3V
+
1234
ON
O
P
E
N
Rotate to open
Lift cover off
Do not force
Open
CR2032 (x2)
Do not force
past here.
Battery Cover
Battery clip

Made in the UK
Product Warranty
This instrument carries a two-year warranty against defects in either components or
workmanship. During this period, products that prove to be defective will, at the discretion of
ThermoWorks, be either repaired or replaced without charge. This warranty does not apply
to probes, where a six-month period is offered. Full details of liability are available within
ThermoWorks’ Terms & Conditions of Sale at www.thermoworks.com/product-warranty.
Thermapen Accessories (available at www.thermoworks.com)
Copyright by ThermoWorks, Inc. Content may not be used in whole or in part, without written consent.
ThermoWorks, the ThermoWorks logo and Super-Fast are registered trademarks of ThermoWorks, Inc.
Thermapen is a registered trademark of ETI, Ltd. ThermoWorks is the exclusive distribution partner of ETI,
Ltd. in North America. All Rights Reserved.
Utah, U.S.A.
Phone: [phone]
Fax: [phone]
www.thermoworks.com
547-100 / 07.01.21 P-11-034-02-n
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