®
80T-IR/E
Extended Range Infrared
Temperature Probe
Instruction Sheet
Introduction
The Fluke 80T-IR/E Extended Range Infrared
Temperature Probe (the probe) is noncontact
a
temperature measurement accessory for use with a test
instrument capable of measuring DC volts in the
millivolt range such as a digital multimeter (DMM). The
probe has a temperature range of 32°F to 1000°F, with
a basic accuracy of 3% of reading, and an output of 1
mV dc per °F.
Temperature is measured by pointing the probe at the
surface to be measured, and reading the temperature
on the test instrument display.
Box Contents
Temperature Probe, Battery (installed), Instruction
Sheet, and Warranty Card.
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Compatibility
The probe is compatible with all DC millivolt measuring
instruments that have a minimum of 1 MW input
impedance and accept safety shrouded, standard
diameter 0.16 in. (4 mm) banana plugs.
Operation
To take a measurement, perform the following steps:
1. Plug the red connector into the VW dc input jack
and the black connector into the common or
ground input jack on the test instrument.
2. Select mV dc on the test instrument.
3. Slide the probe switch forward to the "ON"
position.
4. Point the tip of the probe as close as possible to
the object being measured without touching the
object.
5. Read the test instrument display.
Additional considerations are:
·
After 10 minutes of use the probe will
automatically shift to Sleep mode (the display will
show 0°F). It can be restarted by sliding the
switch to "OFF" and then to "ON" (see Table 1).
·
·
Sleep mode extends battery life. However, for
maximum battery life, switch the probe to the
"OFF" position.
If the test instrument displays an overload
condition, switch the DMM range from mV dc to V
dc. Increasing the range to V dc moves the
decimal position three places to the left (1000°F
displays as 1.000V dc).
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°
C
°C/°F
switch
Avoid touching
or holding cone
0
10
20
30
°
F
OOFFFF
V
V
ON/OFF
switch
VV
2
330000mmVV
3
Battery
clip
4
A
A
PRESS
RANGE
1
SEC
AUTORANGE
TOUCH HOLD
V
10A
1
!
Battery
9V DC
1000V
750V
300
mA
COM
FUSED
Banana
plugs
Coiled cable
Battery
door
Figure 1.
Display Codes
Under the conditions shown in Table 1, the meter will
alternate between displaying a reading and Display Code.
Emissivity
All objects emit invisible infrared energy. This ability,
called emissivity, is based upon the material that the
object is made of and its surface finish. Emissivity
values typically range from 0.10 for a very reflective
object to 0.98 for a near perfect black body. The probe
senses this energy assuming that the target has an
emissivity value of 0.95. This value is factory set in the
probe. If the actual target emissivity is less than 0.95,
the indicated temperature could be less than the actual
target surface temperature. To correct for this, apply
masking tape or a coat of matte paint to the target. The
resulting target will have an emissivity of approximately
0.95.
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Table 1.
Condition
Display Codes
Action
1041°F
Target temperature
is over range.
Select target within
probe's specified
temperature range.
-135°F
The temperature of
the probe is near
the low ambient
operating range
limit.**
Ensure that the
probe is within the
specified ambient
operating range.
-192°F
Battery power is low.
Replace the
battery.
0°F
Sleep mode or
battery is dead.
Restart the probe
by sliding switch to
"OFF" and then to
"ON", or replace
battery.
* All values are nominal.
** Although a display code may be present, the displayed
reading is valid if the probe is within the specified ambient
operating range.
Distance to Spot Size Ratio
Distance to Spot Size Ratio (or Field of View) refers to the
diameter of the spot that the probe is sensing at a given
distance. The closer you are to the object (or target), the
smaller the area (or spot) the probe is sensing. For
example when the probe is held at a 200 mm (8 in.)
distance from the target, the spot size is approximately 50
mm (2 in.); at 100 mm (4 in.) the spot size is
approximately 25 mm (1 in.), and with the probe held at a
50 mm (2 in.) distance from the target, the spot size is
approximately 13 mm (1/2 in.). Hot spots can be missed if
too large an area is included in the field of view, so get as
close as possible! (See Figure 2.)
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Figure 2.
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Measurement Considerations
·
If the surface to be measured is small (13 mm (1/2
in.) or less), hold the probe as close as possible to
the surface (no more than 50 mm (2 in.) away).
·
·
If the surface to be measured is covered by frost
or other material, clean it to expose the surface.
If the surface to be measured is highly reflective
such as polished metal, apply masking tape or a
matte finish paint to the surface.
·
If the probe seems to be giving incorrect readings
check the front of the probe. There may be
condensation or debris obstructing the sensor;
clean per instructions in the maintenance section.
Quick Check
For a quick check of the probe, point it directly at ice
immersed in water (slush), the meter should read,
within specifications limits, 32°F (see Accuracy
specifications).
Specifications
Temperature Range:
32°F to 1000°F
32°F to 122°F
Operating Temperature:
Accuracy for 1 year:
(Operating temperature
64°F to 82°F)
32°F to 180°F: ±5.4°F
>180°F : ±3% of reading
Temperature Coefficient:
±0.3% of reading or
±0.7°F, whichever is
greater, change in
accuracy per 1.8°F
change in ambient
operating temperature
above 82°F or below
64°F.
Response Time:
Spectral Response:
Emissivity:
1 second
8 to 14 microns nominal
pre-set 0.95
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Output:
1 mV/degree °F
Relative Humidity:
95% RH or less @ 86°F
noncondensing, Temp.
Coef. applies
Storage Temperature:
Power:
-13° to 158°F without
battery
9V battery; (NEDA
1604A, 6F22, 006P)
Battery life (Alkaline):
Dimensions:
50 hours typical, @ 73°F
33% duty cycle
(L x W x H) 180 mm x
30 mm x 50 mm (7.1 in.)
x (1.2 in.) x (2 in.)
Weight:
180 gm (6.4 oz)
Maintenance
Battery Replacement
Remove battery door (See Figure 1.) and replace with a
9V Alkaline battery (ANSI/NEDA 1604A, IEC 6LR61).
Front-Window Cleaning (as necessary)
1. Blow off loose particles using clean compressed
air.
2. Gently brush remaining debris away with a camel
hair brush or Q-tip.
3. Carefully wipe the surface with a moist Q-tip. The
swab may be moistened with water or a water-
based glass cleaner. Allow to air dry. (Do not use
solvents to clean the window.)
Case Cleaning
To clean the exterior housing, simply use soap and
water or a mild commercial cleaner. Wipe with a damp
sponge or soft rag.
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LIMITED WARRANTY & LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and
workmanship under normal use and service. The warranty period is one
year and begins on the date of shipment. Parts, product repairs, and
services are warranted for 90 days. This warranty extends only to the
original buyer or end-user customer of a Fluke authorized reseller, and
does not apply to fuses, disposable batteries, or to any product which, in
Fluke's opinion, has been misused, altered, neglected, contaminated, or
damaged by accident or abnormal conditions of operation or handling.
Fluke warrants that software will operate substantially in accordance with
its functional specifications for 90 days and that it has been properly
recorded on non-defective media. Fluke does not warrant that software will
be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused
products to end-user customers only but have no authority to extend a
greater or different warranty on behalf of Fluke. Warranty support is
available only if product is purchased through a Fluke authorized sales
outlet or Buyer has paid the applicable international price. Fluke reserves
the right to invoice Buyer for importation costs of repair/replacement parts
when product purchased in one country is submitted for repair in another
country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the
purchase price, free of charge repair, or replacement of
a
defective
product which is returned to a Fluke authorized service center within the
warranty period.
To obtain warranty service, contact your nearest Fluke authorized service
center to obtain return authorization information, then send the product to
that service center, with
a
description of the difficulty, postage and
insurance prepaid (FOB Destination). Fluke assumes no risk for damage
in transit. Following warranty repair, the product will be returned to Buyer,
transportation prepaid (FOB Destination). If Fluke determines that failure
was caused by neglect, misuse, contamination, alteration, accident, or
abnormal condition of operation or handling, including overvoltage failures
caused by use outside the product's specified rating, or normal wear and
tear of mechanical components, Fluke will provide an estimate of repair
costs and obtain authorization before commencing the work. Following
repair, the product will be returned to the Buyer transportation prepaid and
the Buyer will be billed for the repair and return transportation charges
(FOB Shipping Point).
THIS WARRANTY IS BUYER?S SOLE AND EXCLUSIVE REMEDY AND
IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR
A
PARTICULAR PURPOSE.
FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES,
INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR
THEORY.
Since some countries or states do not allow limitation of the term of an
implied warranty, or exclusion or limitation of incidental or consequential
damages, the limitations and exclusions of this warranty may not apply to
every buyer. If any provision of this Warranty is held invalid or
unenforceable by
a
court or other decision-maker of competent
jurisdiction, such holding will not affect the validity or enforceability of any
other provision
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
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Service
For service information in the U.S.A., call 1-800-526-
4711. Outside the U.S.A., contact the nearest Fluke
Service Center. To locate an authorized service center,
Fluke using the phone numbers listed below:
USA: 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-678-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-5500
Calibration
Fluke recommends that the user return the probe
annually to a Fluke Service Center for calibration,
starting one year after purchase.
Replacement Part
Battery (Alkaline) - PN 614487
Calibration Procedures - PN 650900
PN 601788
February 1996 Rev. 3, 4/00
Ó1993,1994,1996,1997,2000 Fluke Corporation.
All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
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