Greenlee THH-100 Manual de usuario
999 5163.0 © 2004 Greenlee Textron Inc. 4/04
THH-100
Infrared
Thermometer
Ter mómetro
infrarrojo
Thermomètre
infrarouge
INSTRUCTION MANUAL
MANUAL DE INSTRUCCIONES
MANUEL D’INSTRUCTIONS
Read and understand all of the
instructions and safety information in
this manual before operating or
servicing this tool.
Lea y entienda todas las instrucciones
y la información sobre seguridad que
aparecen en este manual, antes de
manejar esta herramienta o darle
mantenimiento.
Lire attentivement et bien comprendre
toutes les instructions et les
informations sur la sécurité de ce
manuel avant d‘utiliser ou de procéder à
l‘entretien de cet outil.
2
Description
The Greenlee THH-100 Infrared Thermometer is a hand-held
surface temperature sensing device. The non-intrusive
measuring capability of this unit is safer and quicker than
other methods, and is well suited to checking the surface
temperature of circuit breakers, motors, HVAC/R equipment,
engines, etc.
This device measures surface temperature by gathering three
forms of infrared energy — emitted, transmitted, and
reflected — from an object. It then translates that energy into
a temperature.
This temperature instrument also includes laser sighting. The
laser indicates the approximate center of the target area.
Safety
Safety is essential in the use and maintenance of Greenlee
tools and equipment. This instruction manual and any
markings on the tool provide information for avoiding hazards
and unsafe practices related to the use of this tool. Observe all
of the safety information provided.
Purpose of This Manual
This instruction manual is intended to familiarize all personnel
with the safe operation and maintenance procedures for the
Greenlee THH-100 Infrared Thermometer.
Keep this manual available to all personnel. Replacement
manuals are available upon request at no charge.
KEEP THIS MANUAL
All specifications are nominal and may change as design
improvements occur. Greenlee Textron Inc. shall not be liable for
damages resulting from misapplication or misuse of its products.
3
THH-100
Important Safety Information
This symbol is used to call your attention to hazards or
unsafe practices which could result in an injury or property
damage. The signal word, defined below, indicates the
severity of the hazard. The message after the signal word
provides information for preventing or avoiding the hazard.
SAFETY ALERT
SYMBOL
Immediate hazards which, if not avoided, WILL result in
severe injury or death.
Hazards which, if not avoided, COULD result in severe
injury or death.
Hazards or unsafe practices which, if not avoided, MAY
result in injury or property damage.
Read and understand this material
before operating or servicing this
equipment. Failure to understand how
to safely operate this tool could result
in an accident causing serious injury
or death.
4
Important Safety Information
AVOID EXPOSURE –
LASER RADIATION IS
EMITTED FROM THIS
APERTURE.
LASER RADIATION – DO
NOT STARE INTO BEAM
OUTPUT < 1 mW
WAVELENGTH 630-670 nm
CLASS II LASER PRODUCT
COMPLIES WITH
FDA 21 CFR
SUBCHAPTER J
CAUTION
This unit complies with CFR 21 1040.10
Performance Standards for Light-Emitting Products.
Electric shock hazard:
Contact with live circuits could result
in severe injury or death.
Accuracy hazard:
•Using this unit near equipment that generates
electromagnetic interference can result in unstable or
inaccurate readings.
•Protect the unit against static electricity.
Failure to observe these warnings could result in
inaccurate readings that could lead to burns.
Do not use this tool to measure body temperature. It lacks
the required accuracy.
Failure to observe this warning could result in inaccurate
readings that could lead to improper medical conclusions.
5
THH-100
< 1 mW/630–670 nm
IEC 60950
IEC 60825
LASER LIGHT
DO NOT STARE INTO BEAM
CLASS 2 LASER
Important Safety Information
Laser hazard:
•Avoid laser exposure.
•Do not point laser directly at eye or
at reflective objects.
Failure to observe these precautions
may result in injury.
Instrument damage hazard:
•Do not attempt to repair this unit. It contains no user-
serviceable parts.
•Do not expose the unit to extremes in temperature or
high humidity. Refer to “Specifications.”
•Temperature readings will be inaccurate on highly
reflective objects.
•Temperature readings will be inaccurate on objects if
emissivity is not adjusted properly. Follow masking and
emissivity adjustment procedures.
•Allow 30 minutes for the unit to adjust to large changes
in ambient temperature; inaccurate readings can result.
•Clean lens periodically; inaccurate readings can result.
Refer to “Maintenance.”
Failure to observe these precautions may result in injury
and may damage the unit.
6
Display Icons
8. Low battery indicator
9. Scan indicator
10. Celsius or Fahrenheit
indicator
11. Temperature indicator
12. Hold indicator
13. Polarity indicator
Symbols on Unit
Laser radiation is emitted from this unit.
Identification
1. Temperature
sensor
2. Laser
3. Display
4. Button
5. Battery
compartment
door
6. Battery
compartment
release
7. Celsius/
Fahrenheit
selector
9
1213 10
108
11
3
4
12
7
6
5
7
THH-100
Object 1 is the correct distance from the unit. Note the target is
slightly larger than the spot size being measured.
Object 2 is too far away. The thermometer also measures the
background because the target is smaller than the instrument’s
spot size. This can result in an inaccurate reading.
Using the Features
To change between Celsius and Fahrenheit:
Press the battery compartment release and pull the door
down. Set the switch to °Cor °F. Close the door.
Distance from Target
Infrared thermometers measure the surface temperature of an
object by sensing its emitted, reflected, and transmitted
energy. The sensor collects this energy from the area being
measured (spot size). The spot size varies as the distance to
the target changes. The farther the distance from the area
being targeted, the larger the spot size.
When determining the appropriate distance from the object,
the spot size must be somewhat smaller than the target area.
When accuracy is critical, the spot size should be half as large
as the target. If the spot size is larger than the target size, the
thermometer will pick up the temperature of the background,
resulting in inaccurate readings.
1 2
8
Distance to Spot Size
The distance to spot size is a ratio that provides the
appropriate distance to the target. The ratio is stated in a
nominal value for the focus distance, which is 750 mm (30")
from the unit. Use the illustration shown here or the decal on
the side of the unit to determine the distance-to-spot-size ratio
for each application.
The nominal distance-to-spot-size (D:S) ratio at the focus
point is 6:1.
50 @ 300
83 @ 500
133 @ 800
5 @ 30
3.3 @ 20
2 @ 12
D:S = 6:1 at Focus Point
Nominal Spot Diameter at 90% Energy
mm
inch
9
THH-100
Operation
1. Refer to “Typical Measurements” for specific measuring
instructions.
2. Test the unit on an object with a known temperature.
•If the unit does not function as expected on an object of
known temperature, replace the battery.
•If the unit still does not function as expected, send the
unit to Greenlee for repair. Refer to the instructions
under the Warranty.
3. Point the temperature sensor at the object to be measured.
Press the trigger. “SCAN” and the temperature will appear
on the display.
4. Release the trigger. “SCAN” will disappear and “HOLD” will
appear to indicate that the unit is holding the last recorded
temperature on the display.
Limitations
•The infrared thermometer cannot measure through
transparent objects, such as glass or plastic. It will measure
the surface temperature of the glass or plastic.
•Steam, dust, smoke, or other particles can prevent accurate
measurement by obstructing the unit’s infrared sensor.
Locating 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.
AVOID EXPOSURE –
LASER RADIATION IS
EMITTED FROM THIS
APERTURE.
LASER RADIATION – DO
NOT STARE INTO BEAM
OUTPUT < 1 mW
WAVELENGTH 630-670 nm
CLASS II LASER PRODUCT
COMPLIES WITH
FDA 21 CFR
SUBCHAPTER J
CAUTION
< 1 mW/630–670 nm
IEC 60950
IEC 60825
LASER LIGHT
DO NOT STARE INTO BEAM
CLASS 2 LASER
10
Typical Measurements
Electronics
HVAC
Power Distribution
•Minimum width of line is 25 mm (1") for accurate reading
•Non-insulated line
Tabla de contenidos
Idiomas:
Otros manuales de Termómetro de Greenlee
