Greenlee TPIR-J Bedienungsanleitung
999 3276.8 © 2001 Greenlee Textron IM 1391 REV 1 2/01
TPIR-J • TPIR-K
TEMPERATURE SENSORS
SENSORES DE TEMPERATURA
CAPTEURS DE TEMPERATURE
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 estas
herramientas o darles 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 TPIR-J and TPIR-K are noncontact surface temperature sensors intended for use
with a multimeter (purchased separately) capable of using Type J or K thermocouples to read
temperature in Celsius and Fahrenheit. The non-intrusive measuring capability of this unit is
safer and quicker than other methods, and is well suited to checking the surface temperatue of
circuit breakers, motors, HVAC equipment, engines, etc. Both units are equipped with a mini
TC (thermocouple) connector. If the multimeter does not accept the mini TC connector, use an
appropriate adapter (purchased separately).
The unit measures surface temperature by gathering three forms of infrared energy —
emitted, transmitted, and reflected energy — from an object and translating that energy into a
temperature.
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
This instruction manual is intended to familiarize all personnel with the safe operation and
maintenance procedures for the Greenlee TPIR-J and TPIR-K temperature sensors.
Keep this manual available to all personnel.
Replacement manuals are available upon request at no charge.
and are registered trademarks of Greenlee Textron.
KEEP THIS MANUAL
TPIR-J • TPIR-K
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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 can result in an accident causing serious injury or death.
Electric shock hazard:
Do not use the unit if it is wet or damaged.
Failure to observe this warning can result in severe injury or death.
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Important Safety Information
• This unit is not intended for medical applications.
• Use this unit for manufacturer’s intended purpose only, as described in this manual.
Failure to observe these warnings can result in severe injury or death.
• Temperature readings will be inaccurate on highly reflective objects; follow masking
procedures.
• Allow 20 minutes for the unit to adjust to large changes in ambient temperature;
inaccurate readings can result.
• Clean lens periodically; inaccurate readings can result. See the Maintenance section.
Failure to observe these precautions can result in injury or property damage.
• Do not attempt to repair this unit. It contains no user-serviceable parts.
• Do not open the case, except the battery compartment.
• Do not expose this unit to rain or moisture.
• Do not expose the unit to extremes in temperature or high humidity. See Specifications.
Failure to observe these precautions can result in injury and can damage the unit.
TPIR-J • TPIR-K
5
Identification
1. Sensor
2. ON/OFF Button
3. Battery Door
4. Mini TC Connector
Important Safety Information
Using this unit near equipment that generates electromagnetic interference can result
in unstable or inaccurate readings.
CE Certification
This instrument conforms to the following standards:
• EN50081-1:1992, Electromagnetic Emissions
• EN50082-1:1992, Electromagnetic Susceptibility
Tests were conducted using a frequency range of 27 to 500 MHz with the instrument in
three orientations. The average error for the three orientations is ±1.0 °C at 3 v/m
throughout the spectrum. However, between 230 MHz and 500 MHz at 3 v/m, the
instrument may not meet its stated accuracy.
3
4
2
1
6
Operation
1. See the instruction manual supplied with the multimeter (purchased separately).
2. See Typical Measurements for specific measuring instructions.
3. Connect the TPIR-J or TPIR-K to the input terminals of the multimeter. Set the multimeter
to read temperature.
4. Turn the unit on.
5. 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.
6. Take the reading from the object being measured.
Notes:
• Do not touch or hold by the front cone of sensor. Temperature readings can be affected by
heat from hands.
• If the object or target temperature is above or below the specified range or battery power is
low, the meter will alternate between displaying a reading and a display code. See Display
Code Descriptions for more information.
Display Code Descriptions
Display Code* Description Action
270 °C (518 °F) Target temperature is Select target within unit’s
or –30 °C (–22 °F) over or under range specifications
280 °C (536 °F) Ambient operating temperature Allow unit to stabilize in its
or –45 °C (–49 °F) is over or under range ambient operating range
–60 °C (–76 °F) Battery is low Replace battery
Ambient Unit in warm-up or Restart unit by turning unit
temperature sleep mode to OFF and then ON.
*Values may vary ±5 degrees depending on meter accuracy.
TPIR-J • TPIR-K
7
Typical Measurements
Electronics
HVAC
Power Distribution
8
Distance from Target
Temperature sensors 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 sensor will pick up the temperature
of the background, resulting in inaccurate readings.
Note: The distance-to-spot size ratio (D:S) is outlined in the table on the side of the unit.
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.
7.5 mm @
25 mm
14 mm @
50 mm
21 mm @
76 mm
0.8" @ 3"
0.6" @ 2"
0.3" @ 1"
1 2
TPIR Target Spot Sizes
TPIR-J • TPIR-K
9
Emissivity
Emissivity is the ability of an object to emit infrared energy from its surface. Most objects or
surfaces have an emissivity value of about 0.95. This is the pre-set emissivity value of the
TPIR-J and TPIR-K.
Some objects, such as polished or shiny metallic surfaces, may have much lower emissivity.
Using an infrared temperature sensor to measure the temperature of such objects will produce
inaccurate results.
To determine the affect of emissivity on the measurement, cover the surface with masking tape
or flat black paint. (Be sure to use tape or paint that can withstand the anticipated tempera-
ture.) The emissivity of both these materials is about 0.95. Allow time for the tape or paint to
reach the temperature of the material underneath. Measure the covered area and a nearby
area. The readings should be about the same.
If they are not, the emissivity may affect your measurements.
Measurement Considerations
• If the surface to be measured is small [13 mm (1/2") or less], hold the probe as close as
possible to the surface [no more than 50 mm (2") away].
• If the surface to be measured is covered by frost or other material, clean it to expose the
surface.
• If the probe seems to be giving incorrect readings, check the front of the probe. Carefully
remove any condensation or debris from the sensor using cotton swabs dampened with
water or water-based glass cleaner. Do not use solvents! Allow sensor to air dry before use.
Temperature readings will be inaccurate on highly reflective objects; follow masking
procedures.
Failure to observe this precaution can result in injury or property damage.
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Specifications
Response Time: 1 second 95% response
Automatic Power Off: After 10 minutes of inactivity, the probe will automatically switch to
stand-by mode (the display will show ambient temperature). Restart unit by turning it OFF
and then ON again.
Repeatability: ±1% of reading or ±1 °C (±2 °F), whichever is greater.
Emissivity: Pre-set at 0.95
Spectral Response: 8 to 14 microns nominal
Output: Thermocouple Type J or K
Accuracy: ±2% of reading or ±2 °C (3 °F), whichever is greater, at 23 °C (73 °F) ambient
operating temperature
Temperature Range: –18 °C to 260 °C (0 °F to 500 °F)
Ambient/Operating Temperature Range: 0 °C to 65 °C (32 °F to 149 °F)*
Temperature Coefficient: ±0.2% of reading or ±0.2 °C (±0.3 °F), whichever is greater, per
degree change in ambient operating temperature from 23 °C (73 °F)
Relative Humidity: 0% to 95% (non-condensing)
Storage Conditions: –25 °C to 70 °C (–13 °F to 158 °F)*
Remove battery.
Battery: 9-Volt (NEDA 1604, JIS 006P or IEC 6F22)
*For improved accuracy, allow unit 20 minutes to adjust to a large change in temperature.
Dieses Handbuch passt für folgende Modelle
1
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