Fluke 572, 574
and 574-NI Infrared
Thermometers
Non-contact temperature
measurement
Technical Data
When the job demands
precision and accuracy
Broad temperature range,
superior optics and the
advanced extra-bright
three-dot laser sighting
system make Fluke 570
series thermometers the
most advanced portable
thermometers in the industry.
Preventive Maintenance
Electrical
574-NI Nonincendive
Model
When safety is a concern and
data logging and downloading
are required, the Fluke 574
Nonincendive (NI) model
thermometer is the product to
choose. It has the same great
features as the standard 574
model thermometers with the
extra confidence of a Factory
Mutual approval for use in
hazardous environments*.
The Fluke 574-NI thermometer,
does not to release enough electrical or thermal energy to
ignite flammable gases or vapors under normal operational and
environmental conditions.
*See specification table for details.
Advanced Display
100-point onboard temperature
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data logging capability
30 preset common material
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emissivity values
Adjustable emissivity values
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(0.01 increments)
Customizable log names, alarms,
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and emissivity
Advanced Sighting
Accurate measurements depend in part on
accurately sighting a target. Fluke 570 series
thermometers are the only thermometers with
a sighting system designed to precisely track
the infrared path as seen by the sensors. This
enables the advanced coaxial three-dot laser
sighting to accurately show both the center
and the edges of the spot being measured,
regardless of the thermometer’s distance from
the target.
This laser sighting also appears twice as
bright to the human eye as normal lasers
(while maintaining the same safety rating as
less bright lasers), making precise sighting
easier in a variety of lighting conditions and
distances.
Close Focus Option
The Close Focus (CF) option lets you accurately measure very
small areas at the focus point – where the IR beam narrows.
Paired with the advanced coaxial laser sighting system,
extremely small objects 6 mm (0.24 in) at 300 mm (11.4 in)
can be easily measured. Ideal for electrical maintenance and
refrigeration troubleshooting.
Software for Condition Monitoring and
Process Control
Visualize, systematically maintain and analyze temperature data using Windows®
compatible software and a Fluke 574 or 574-NI IR thermometer.
Graph
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Easily see
temperature trends
and potential
equipment problems
by graphing data
accumulated with
the unit’s data
logging feature.
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The software
makes it easy
to error-proof
inspection routes
by giving names,
alarm points and
emissivities to
locations.
Data log
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The 574 can be used
to monitor, graph,
and record real-time
temperature changes
with the software.
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Reporting and
documentation
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The software
provides a
convenient way to
export temperature
data files in a format
that can be used by
programs such as
Access®, Excel®, and
condition monitoring
programs.
Visually review data and
spot trends instantly through
graphs
Simultaneously graph
results while continuously
monitoring temperatures
Quickly compare
temperatures of up to five
log locations for trends or
anomalies
Display infrared and/or probe
temperature trends over time
View infrared and probe
values continuously on
thermometer sidebar
Create recognizable names
for inspection locations
Track both infrared and
probe temperature trends
Tailor high/low alarms per
individual inspection location
View min, max, and
average infrared and probe
temperatures
Create and customize
emissivity tables for each
inspection location
Store up to 10,000 data
points in a file
Customize report views and
printing formats
Generate time and date-
stamp printouts for accurate
records
Export data as text files
for integration with
Maintenance, Repair and
Operations (MRO) systems
and other database programs
Specifications
Specifications Fluke 572 Fluke 574 Fluke 574-NI
Temperature range -30 °C to 900 °C (-25 °F to 1600 °F)
Accuracy ±0.75% of reading or ±1 ºC (±2 ºF), whichever is greater
(assumes ambient operating temperature of 23 ºC (73 ºF))
Repeatability ≤ ±0.5 of reading or ≤ ±1 ºC (±2 ºF), whichever is greater
Response time 250 mSec (95% of reading)
Spectral response 8 -14 microns, thermopile detector
Adjustable emissivity
(from 0.1 to 1.0 by 0.01)
Ambient operating temperature 0 °C to 50 ºC (32 °F to 122 ºF )
Relative humidity 10 to 90% at 30 ºC (86 ºF) non-condensing
Storage temperature -20 ºC to 50 ºC (-25 ºF to 122 ºF)
Weight 480 g (1 lb 6 oz)
Power 2 AA batteries 2 AA batteries/ 2 AA batteries/
AC adapter AC adapter
Power supply, RS232
Computer Cable, 1.5 m (60 in),
K thermocouple probe
Laser Class II 3-dot laser sighting (meets IEC Class 2
and FDA Class II requirements)
Distance-to-Spot (D:S) 60:1 (50:1 with Close Focus Option) 60:1
Minimum measurement diameter 19 mm (0.76 in) 19 mm (0.76 in)
(6 mm (0.24 in) with Close Focus option)
Maximum and minimum temperature
Audible/visible high/low alarm
Differential and average temperature
Bar graph display
100-points-data logging
Display hold
LCD backlit
Temperature display ºC or ºF selectable
Display resolution 0.1 ºC of reading up to 900 ºC (0.2 ºF up to 999.8 ºF)
Data graphing software
(Windows® NT, 2000, XP compatible)
Data output: RS-232 or
1 mV per degree (ºC or ºF)
Hard carrying case
Tripod mount 1/4-20 UNC
The 574-NI has a factory Mutual
Nonincendive rating. The rating from
this USA organization reads: “Class I,
Division 2, Groups A, B, C, D; Class I,
Zone 2 IIC; T4 Ta=50 ºC when used
with 1.5 V alkaline batteries.”
WARNING: Battery changes and
RS-232 connection in non-hazardous
locations only.
Warranty 2 Years, Conditional*
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Ordering Information
Options
(all models)
Close focus*
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NIST calibration
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certification
* Not available with 574-NI
Options
(574 and 574-NI)
mV/degree output cable
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Accessories
(all models)
Padded pouch with belt clip
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Accessories
(574 and 574-NI)
PC software
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RS232 computer cable
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Plug-in power supply
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Thermocouple K probe
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(Power supply and cable not approved by
FM for use in hazardous locations)
Included with the Fluke 572 and
574 units:
User’s guide on CD
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Hardshell carrying case.
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Fluke. Keeping your world
up and running.
* Warranty duration may vary by country.
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