Infrared Brochure
Infrared
Thermometers
Just Point and Shoot
for Quality Noncontact
Temperature Measurements
Infrared Thermometers
When Noncontact Readings are Critical,
Cole-Parmer has the Infrared Tool for the Job!
Measuring surface temperature can provide clues to such problems as leaky ductwork,
over-stressed motors, faulty equipment, or food that is in danger of spoiling. There is no easier
way to take such readings than with a Cole-Parmer infrared thermometer! Ideal for use when
objects are extremely hot, moving quickly, difficult to reach, or vulnerable to contamination.
Cole-Parmer offers infrared thermometers to meet the demands of any application.
The Cole-Parmer® and Oakton® brands are industry leaders in accuracy, durability,
and high optical resolution. Our products are backed by expert applications assistance
and customer service.
Lightweight. Compact.
Quick and Easy to Use.
Noncontact infrared (IR) thermometers use infrared
technology to quickly and conveniently measure an
object’s surface temperature. They provide fast,
accurate, repeatable readings without ever
touching the target. Just aim, pull the trigger,
and read the temperature on the LCD.
• Safely measure hot, hazardous, or
hard-to-reach surfaces
• Measure food temperature without
contaminating or damaging product
• Log several readings per second instead of
waiting several minutes for a single reading
from a contact thermometer
ColeParmer.com
Quick and Handy
Take Repeatable Readings
with Mini Infrared Thermometers
Designed to Fit in the Palm of Your Hand
• Ideal for fast inspections in food preparation, life sciences, and field use
• Quick temperature measurement from less than 12 inches—take
readings of any liquid, solid, or semisolid in less than one second
• Our most economical units
• Models small enough to fit in a shirt pocket
• Adjustable emissivity available
Mini Infrared Thermometers
Oakton
Oakton
Oakton
Super-Mini TempTestr®
Thermometer
Mini TempTestr®
Thermometer
Palm-Sized
Thermometer
Catalog number
ML-39642-01
ML-39642-00
ML-39643-00
Temperature range
–27 to 230°F
(–33 to 110°C)
–30 to 430°F
(–33 to 220°C)
–27 to 482°F
(–33 to 250°C)
Accuracy
±2.5% of reading
or 3.6°F (2°C)
±2% of reading
or 4°F (2°C)
±2.5% of reading
or 3.6°F (2°C)
Emissivity
0.95 fixed
Adjustable from 0.01 to 1.00
Adjustable from 0.5 to 1.00
None
None
Class II laser
1:1
1:1
8:1
Model
Sighting
Distance-to-target
ratio (D:S)
Datalogging
—
—
—
Data output
—
—
—
Probe
—
—
—
Power
Two LR44/359 batteries
(included)
One 3V battery
(included)
Two CR2032 batteries
(included)
Metal housing
Min/max and hold functions;
metal case
—
Features
ColeParmer.com
Food Safety
Use Food Safety IR Thermometers
to Meet GMPs and HACCP
Requirements as set by the FDA
• Measure and log food temperatures
during cooking, serving, cooling, storage,
transport, and reheating to increase
product quality and consistency
• Quickly and accurately monitor for
HACCP danger zones
• Measure temperatures up to 626°F
(330°C) for pathogen reduction
• Reduce liability and waste by preventing
cross-contamination
• Available with IP65- or IP54-rated
housings for easy cleaning
• Ideal for food preparation areas,
labs, and production plants
Food Safety Infrared Thermometers
Model
Catalog number
Temperature range
Oakton
Oakton
Oakton
Oakton
“2-in-1” Waterproof
Thermometer
Food TempTestr® Mark-I
Thermometer
Food TempTestr® Mark-II
Thermometer
Food Safety
Thermometer
ML-35625-41
ML-35625-15
ML-35625-45
ML-35625-40
–31 to 572°F (–35 to 275°C)
–20 to 400°F (–30 to 200°C)
IR: –30 to 525°F (–35 to 275°C)
T/C: –40 to 390°F (–40 to 200°C)
±2°F (±1°C)
from 32 to 150°F (0 to 65°C)
±2°F (±1°C)
from 32 to 150°F (0 to 65°C)
IR: –67 to 482°F (–55 to 250°C)
T/C: –67 to 626°F (–55 to 330°C)
Accuracy
IR: ±0.1°F from –27 to 32°F (–33 to 0°C),
±1°F from 32 to 149°F (0 to 65°C),
±1.5% of reading
from 149 to 572°F (65 to 300°C)
T/C: ±0.5°F from 15 to 212°F
(–9 to 100°C),
remaining ±0.9° of reading
Emissivity
Adjustable from 0.01 to 1.00
0.97 fixed
0.97 fixed
0.97 fixed
White LED (nonlaser)
Class II laser
White LED (nonlaser)
White LED (nonlaser)
2.5:1
4:1
2.5:1
2.5:1
—
—
—
—
—
—
—
—
Thermocouple, type K input
(intergral probe)
Sighting
Distance-to-target
ratio (D:S)
Datalogging
Data output
Probe
Power
Features
IR: ±2°F (±1°C)
from 32 to 150°F (0 to 65°C)
T/C: ±1°F (±0.5°C)
from 32 to 150°F (0 to 65°C)
Thermocouple, type K input
(intergral probe)
—
—
Two AAA batteries (included)
One 9V battery (included)
One 9V battery (included)
One 9V battery (included)
IP65 rated, HACCP, min/max, hold,
backlit LCD
Steam interence filter,
seven-second hold, backlit LCD
IP54 rated, HACCP,
backlit LCD
IP65 rated, HACCP, alarm, timer,
min/max, hold, backlit LCD
For probes and accessories, simply click on the Catalog Number and go to the sidebar.
ColeParmer.com
General-Purpose
Make Quick, Basic Temperature Checks
with Compact IR Thermometers
• Economically priced for distance readings up to 20 feet
• Large, easy-to-read LCD allows rapid, multiple readings
• Ideal for automotive repair, plant maintenance,
and HVAC equipment monitoring
• Some models are available with
thermocouple input for the ability
to gather internal or direct contact
measurements
• Rugged enough for industrial
environments
General-Purpose Infrared Thermometers
Model
Catalog number
Temperature range
Accuracy
Emissivity
Sighting
Distance-to-target
ratio (D:S)
Datalogging
Data output
Oakton
Oakton
Oakton
Oakton
Oakton
Oakton
Mini-InfraPro™ 2
Thermometer
Mini-InfraPro™ 4
Thermometer
Mini-InfraPro™ 6
Thermometer
TempTestr®
Thermometer
Thermometer with
Type K probe input
Thermometer with
Type K probe input
ML-39641-02
ML-39641-04
ML-39641-06
ML-35625-10
ML-39644-00
ML-39644-10
0 to 500°F
(–18 to 260°C)
IR: –76 to 932°F
(–60 to 500°C)
T/C: –83 to 1999°F
(–64 to 1400°C)
IR: –76 to 1400°F
(–60 to 760°C)
T/C: –83 to 1999°F
(–64 to 1400°C)
0 to 525°F
(–18 to 274°C)
0 to 750°F
(–18 to 400°C)
–20 to 932°F
–30 to 500°C)
±2°F (±1°C) from 50 to
±2% or 3.5°F (2°C) from ±2% or 3.5°F (2°C) from 86°F (10 to 30°C), ±1.5%
30 to 275°F (–1 to 525°C) 30 to 275°F (–1 to 525°C) of reading or ±3°F (1.5°C)
whichever is greater
±2% or ±3°F (2°C)
whichever is greater
IR: ±2% or ±3.6°F (±2°C) IR: ±2% or ±3.6°F (±2°C)
T/C: ±1% or ±1.8°F (±1°C) T/C: ±1% or ±1.8°F (±1°C)
0.95 fixed
0.95 fixed
0.95 fixed
0.95 fixed
Adjustable from
0.01 to 1.00
Adjustable from
0.01 to 1.00
None
Class II laser
Class II laser
Class II laser
Class II laser
Class II laser
8:1
8:1
10:1
8:1
12:1
20:1
—
—
—
—
—
—
—
—
—
—
—
—
Thermocouple, type K
input (probe not included)
Probe
—
—
—
—
Thermocouple, type K
input (probe not included)
Power
One 9V battery
(included)
One 9V battery
(included)
One 9V battery
(included)
One 9V battery
(included)
One 9V battery
(included)
One 9V battery
(included)
Hold, backlit LCD
Hold, backlit LCD
Protective boot, max,
hold, backlit LCD
Seven-second hold,
backlit LCD
Alarm, min/max, hold
Alarm, min/max, hold
Features
For probes and accessories, simply click on the Catalog Number and go to the sidebar.
ColeParmer.com
Industrial Professional
Get the Job Done Right the First Time with
InfraPro® Professional-Grade IR Guns
• Designed for the professional technician
• Broader temperature range and improved optics allow
accurate measuring from greater distances
• Ideal for use around moving parts, and for dangerous or
difficult-to-reach objects
• Monitor air stratification, furnace performance, electrical panels
and connectors, and more
• Available with an RTD input for direct contact measurements
with a temperature range up to 1400°F (760°C)
Professional-Grade Infrared Thermometers
Oakton
Oakton
Oakton
Oakton
InfraPro 1
Thermometer
InfraPro 3 Thermometer
with RTD probe input
InfraPro 4 Thermometer
with RTD probe input
InfraPro 5 Thermometer with
RTD probe (Intrinsically Safe)
Catalog number
ML-35639-00
ML-35639-20
ML-35639-30
ML-35639-40
Temperature range
–25 to 999°F
(–32 to 535°C)
–25 to 1100°F
(–32 to 600°C)
–25 to 1400°F
(–32 to 760°C)
–25 to 1400°F
(–32 to 760°C)
Accuracy
±1% of the reading or ±2°F (±1°C)
whichever is greater
±1% of the reading or ±2°F (±1°C)
whichever is greater
±1% of the reading or ±2°F (±1°C)
whichever is greater
±1% of the reading or ±2°F (±1°C)
whichever is greater
Emissivity
0.95 fixed
Adjustable from 0.10 to 1.00
Adjustable from 0.10 to 1.00
Adjustable from 0.10 to 1.00
Class II laser
Class II laser
Class II laser
Class II laser
12:1
30:1
50:1
50:1
12 data points
Model
Sighting
Distance-to-target
ratio (D:S)
Datalogging
—
12 data points
12 data points
Data output
—
—
—
—
Probe
—
RTD input (probe not included)
RTD input (probe not included)
RTD input with probe
Power
One 9V battery (included)
One 9V battery (included)
One 9V battery (included)
One 9V battery (included)
Hold, backlit LCD
Min/max, dif, avg, emissivity, high
and low alarms, probe, log, recall,
backlit LCD, rubber grip and nose
Min/max, dif, avg, emissivity, high
and low alarms, probe, log, recall,
backlit LCD, rubber grip and nose
Min/max, dif, avg, emissivity, high
and low alarms, probe, log, recall,
backlit LCD, rubber grip and nose
Features
For probes and accessories, simply click on the Catalog Number and go to the sidebar.
ColeParmer.com
Precision Measurement
Take High-Accuracy Readings at Distances up to 60 Feet
and Greater with These Precise Infrared Thermometers
• Precise sighting system and adjustable
emissivity make these the most accurate
IR thermometers on the market
• Date-and-time stamp
capabilities available
• Distance-to-sight ratio
of up to 60 to 1
• True Dimension™ extra-bright, three-point lasers
for precise long-distance sighting
• USB or RS-232 interface
for quick, dependable
computer record keeping
• Advanced models include 100-point
datalogging, customizable log names, and
monitoring, analysis, and reporting software
• Accurate from –25 to
1600°F (–30 to 900°C)
• Some models provide still-photo documentation
of readings for complete record keeping with
precise photographic IR models
Precise Infrared Thermometers
Cole-Parmer
Cole-Parmer
Cole-Parmer
Cole-Parmer
Cole-Parmer
Cole-Parmer
Basic Class II
Thermometer
Basic Class III
Thermometer
Deluxe Class II
Thermometer
Close-Focus
Deluxe Class II
Thermometer*
Close-Focus
Photographic Class II
Thermometer
Photographic Class II
Thermometer
ML-39755-00
ML-39755-10
ML-39755-20
ML-39755-50
ML-39753-60
ML-39753-50
–25 to 1600°F
(–30 to 900°C)
–25 to 1600°F
(–30 to 900°C)
–25 to 1600°F
(–30 to 900°C)
–25 to 1600°F
(–30 to 900°C)
–25 to 1600°F
(–30 to 900°C)
–25 to 1600°F
(–30 to 900°C)
Accuracy
±0.75% of reading or
±2°F (1°C), whichever
is greater
±0.75% of reading or
±2°F (1°C), whichever
is greater
±0.75% of reading or
±2°F (1°C), whichever
is greater
±0.75% of reading or
±2°F (1°C), whichever
is greater
±0.75% of reading or
±2°F (1°C), whichever
is greater
±0.75% of reading or
±2°F (1°C), whichever
is greater
Emissivity
Adjustable from
0.10 to 1.50
Adjustable from
0.10 to 1.50
Adjustable from 0.10 to
1.50; 30 preset material
emissivity values
Adjustable from 0.10 to
1.50; 30 preset material
emissivity values
Adjustable from
0.10 to 1.00
Adjustable from
0.10 to 1.00
Class II 3-point laser
Class III 1-point laser
(maximum brightness
and for distances
up to 100 feet)
Class II 3-point laser
Class II 3-point laser
Class II 3-point laser
Class II 3-point laser
Distance-to-target
ratio (D:S)
60:1
60:1
60:1
50:1
50:1
60:1
Datalogging
—
—
100 data points with
date-and-time stamp
100 data points with
date-and-time stamp
100 measurements and
photographs with
date-and-time stamp
100 measurements
and photographs with
date-and-time stamp
Data output
—
—
RS-232 or 1 mV
per degree
RS-232 or 1 mV
per degree
USB
USB
Probe
—
—
Thermocouple,
type K & J input
Thermocouple,
type K & J input
Thermocouple,
type K & J input
Thermocouple,
type K & J input
Power
Two AA batteries
(included)
Two AA batteries
(included)
Two AA batteries
(included) or 115 VAC
Two AA batteries
(included) or 115 VAC
Two AA batteries
(included)
Two AA batteries
(included)
—
—
ML-39755-30
ML-39755-60
—
Audible/visible high
alarm, current/min/
max readings, backlit
graphical display
Audible/visible high
alarm, current/min/
max readings, backlit
graphical display
Model
Catalog number
Temperature range
Sighting
230 VAC models
Features
—­
Audible/visible high/low Audible/visible high/low Audible/visible high/low Audible/visible high/low
alarm, current/min/
alarm, current/min/
alarm, current/min/
alarm, current/min/
max readings, backlit
max readings, backlit
max readings, backlit
max readings, backlit
graphical display,
graphical display,
graphical display,
graphical display,
DIF/AVG readings
DIF/AVG readings
DIF/AVG readings
DIF/AVG readings
For probes and accessories, simply click on the Catalog Number and go to the sidebar.
ColeParmer.com
*Close-Focus Basic Class II Thermometer is also
available, click ML-39755-40 for information.
In the U.S.
625 E. Bunker Court
Vernon Hills, IL 60061
Call toll-free 800-323-4340
Phone: 847-549-7600
Fax: 847-247-2929
www.coleparmer.com
In Canada
In the United Kingdom
In India
International customers
Call toll-free 800-363-5900
Phone: 514-355-6100
Fax: 514-355-7119
www.coleparmer.ca
Phone: 91-22-6716-2222
Fax: 91-22-6716-2211
www.coleparmer.in
Free phone: 0500-345-300
Phone: 020-8574-7556
Fax: 020-8574-7543
www.coleparmer.co.uk
Call 847-549-7600 to reach our
International Sales Department
or contact your local dealer.
FREE TECHNICAL
APPLICATIONS ASSISTANCE!
How does IR work?
IR thermometers capture the invisible infrared energy naturally emitted from
all objects. Infrared radiation is part of the electromagnetic spectrum which
includes radio waves, microwaves, visible light, ultraviolet, gamma, and X-rays.
On the spectrum, infrared falls between visible light and radio waves. Infrared
wavelengths are usually expressed in microns with the infrared spectrum
extending from 0.7 to 1000 microns. In practice, the 0.7 to 14 micron
band is used for IR temperature measurement.
How to ensure accurate temperature measurement?
A solid understanding of infrared technology and its principles
lies behind accurate temperature measurement. When the
temperature is measured by a noncontact device, the IR
energy emitted from the measured object passes through
the optical system of the thermometer and is converted to an
electrical signal at the detector. This signal is then displayed as
a temperature reading. There are several important factors that
determine accurate measurement. The most important factors
are emissivity, distance-to-spot ratio, field-of-view, and location
of a hot spot.
Emissivity. All objects reflect, transmit, and emit energy. Only
the emitted energy indicates the temperature of the object.
When IR thermometers measure the
surface temperature they sense all
three types of energy, therefore all
thermometers have to be adjusted
to read emitted energy only.
Measuring errors are often caused
by IR energy being reflected by
light sources.
Some IR thermometers allow you to change the emissivity in
the unit. The value of emissivity for various materials can be
looked up in published emissivity tables.
Other units have a fixed, preset emissivity of 0.95, which is
the emissivity value for most organic materials and painted
or oxidized surfaces. If you are using a thermometer with
a fixed emissivity to measure the surface temperature of a
shiny object, you can compensate by covering the surface to
be measured with masking tape or flat black paint. Allow time
for the tape or paint to reach the same temperature as the
material underneath. Measure the temperature of the taped or
painted surface. That is the true temperature.
Distance-to-spot ratio. The optical system of an infrared
thermometer collects the infrared energy from a circular
measurement spot and focuses it
on the detector. Optical resolution is
defined by the ratio of the distance
from instrument to the object
compared to the size of the spot
(90% of energy) being measured
(D:S ratio). The larger the ratio
number the better the instrument’s
resolution, and the smaller the spot
size that can be measured.
1872
The laser sighting included in some instruments only
helps to aim at the measured spot.
A recent innovation in infrared optics is the addition of a
Close Focus feature, which provides accurate measurement
of small target areas without including unwanted background
temperatures.
Field-of-view. Make sure that the target is larger than the
spot size the unit is measuring. The smaller
the target, the closer you should
be to it. When accuracy is
critical, make sure that the
target is at least twice as
large as the spot size.
How to take temperature measurement?
To take a temperature measurement, just point the unit at
the object you wish to measure. Pull the trigger and read the
temperature on the unit’s LCD. Be sure to consider distanceto-spot size ratio and field-of-view. There are important things
to keep in mind while using infrared thermometers:
Measure surface temperature only. The IR thermometer
cannot measure internal or direct contact
temperatures.
Do not take temperature measurement through
glass. Glass has very distinctive reflection
and transmission properties that do not
allow accurate infrared temperature
reading. Infrared thermometers are not
recommended for use in measuring
shiny or polished metal surfaces
(stainless steel, aluminum, etc.).
Locate a hot spot. To find a hot spot, aim the thermometer
outside the area of interest, then scan across with an
up-and-down motion until you locate the hot spot.
Watch for environmental conditions. Factors such as steam, dust,
and smoke can prevent accurate measurement by obstructing
the unit’s optics.
Ambient temperatures. If the thermometer is exposed to abrupt
ambient temperature differences of 20° or more, allow it to
adjust to the new ambient temperature for at least twenty
minutes.
ColeParmer.com
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