NSF Infrared
Thermometer
w/ Folding Probe
INSTRUCTION MANUAL
ENGLISH
NSF
®
INF145
FEATURES
• Circular laser targeting
• Dual display
• Selectable emissivity level: 0.1 to 1.0
• Min/Max/Hold
• Lock
• HACCP zone check
• 8:1 Distance-to-spot ratio
• Temperature range: -76˚ to 662˚F (-60˚ to 350˚C)
• Temperature probe
GENERAL SPECIFICATIONS
• Operating Temperature: 32˚ to 122˚F (0˚ to 50˚C)
• Backlight: Yes
• Certifications: CE Conformity, NSF, IP 54 (splash proof)
• Battery Type: (AAA) 2
• Accuracy: ± (% of reading + # of least significant digits)
IMPORTANT SAFETY WARNINGS
WARNING :
Read entire Safety Notes section regarding potential hazard and proper instructions before
using this meter. In this manual the word “WARNING” is used to indicate conditions
or actions that may pose physical hazards to the user. The word “CAUTION” is used to
indicate conditions or actions that may damage this instrument.
NOTE:
The INF145 is not recommended for use on shiny surfaces such as chrome, mirrors or
polished surfaces.
• Colored HACCP backlit display
• Auto power off
• Hi/Lo alarm
• Celsius or Fahrenheit
• Low battery indicator
FUNCTIONS
WARNING
•
To avoid thermal shock, the instrument should be stored at room temperature between
32˚ and 122˚F (0˚ to 50˚C).
•
After measurement of high temperatures, the probe may be hot for a while.
•
The probe of contact thermometer may be damaged if the specification of the
measurement range is exceeded.
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IMPORTANT SAFETY WARNINGS (CONTINUED)
WARNING :
To avoid electrical shock and thermometer damage, do not measure live circuit where
voltage exceeding 24V AC RMS or 60V DC with the temperature probe.
WARNING :
DO NOT look directly into the laser beam. Permanent eye damage may result.
SYMBOLS
MIN
Minimum measured value displayed Maximum measured value displayed
LOCK
E
Lock
(E) Emissivity Low battery
Hold/Capture value Warning or Caution
Degree Fahrenheit Degree Celsius
HACCP Zone 1 HACCP Zone 2
PROBE
Probe
A.
B.
C.
D.
E.
F.
G.
Lo
Er2
HACCP Zone 3
Lo
Er2
Er3
OVERVIEW
Hi
Hi
Er
Er
Er3
H.
I.
J.
A. HACCP Zone Check LED
B. Display
C. HACCP Back Light
D. Probe Button:
Press x1 to switch to Probe mode
Press x1 in Probe mode to enter Hold mode.
E. Mode Button: does not work in Probe mode
Press x1 = Minimum value
Press x2 = Maximum value
Press x3 = Lock mode press Trigger x1
Press x4 = Temperature Scale Press Trigger to switch between Celsius and Fahrenheit
Press x5 = Emissivity level Default = 0.95; (variable 0.10 to 1) Press Trigger x1 for each
0.01 step
Emissivity level changes should only be done by experienced personnel.
F. Battery Cover
G. Probe
H. Infrared Lens
I. Circular Laser
J. Laser Trigger
•
The thermometer will display the minimum or maximum value during the
measurement period or until the Mode button is pressed again.
•
The lock mode is particularly useful for continuous monitoring of temperatures.
The thermometer will continuously display the temperature (for up to 60 minutes) or
until the trigger is pressed.
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TAKING MEASUREMENTS
Laser:
• To take a measurement with your INF145 using the laser, simply point the aperture at
an object and pull the trigger. The object’s temperature will show up on the display and
update at of a rate of approximately two times per second.
• There will be a delay of approximately one second between the time you pull the trigger
and the time the display comes on. There is a 15 second auto hold/auto power off
if left idle.
Releasing the Trigger will enter Hold mode.
Follow these guidelines to ensure you get the most accurate reading possible:
• Be sure the measured object fills the “spot” seen by the laser targeting. The distance
to-spot ratio of the INF145 is 8:1.
• This shows a one-foot spot fitting within the one-foot target area. At this distance, and
anything closer, the targets temperature will be accurately measured.
NOTE: If the two-foot diameter spot includes unwanted objects in the background that are
not part of the one-foot square target; the temperature of the background objects will be
figured into the target temperature causing inaccurate readings.
Laser temperature value is displayed in upper display.
Probe:
Probe temperature value is displayed in lower display.
• To take a measurement with your INF145 using the probe, touch the probe at the
measure target and press the Probe button to display the temperature. Press and Hold
Probe button to Hold reading in probe mode. There is a 4 minute auto hold/auto power
off if left idle, to preserve the battery life.
• To re-enter laser mode, press Probe button again
WARNING :
1. Do not twist the probe or rotate in the wrong direction.
2. Over stressing the probe may cause it to break.
3. After measuring high temperatures, the probe may remain hot for a while.
4. Probe is dangerous in the OPEN position. Fold the probe back into the CLOSED position
when not in use.
HACCP CHECK
The “HACCP Check” is incorporated into our thermometer to indicate critical temperature
zone. The HACCP zone display LED’s and back light indicate a food product stays in the safe
or unsafe HACCP “Danger Zone” temperature. The green and red LED light will always be lit
before power off.
HACCP Zone Display
A green LED appears with icon
(4˚C) or appears with icon
When temperature is in between 40˚F (4˚C) and 140˚F (60˚C) the red LED with the icon
will appear and indicate the temperature has fallen within the HACCP “Danger Zone”.
indicates a safe cool or frozen condition below 40˚F
indicates a safe holding temperature above 140˚F (60˚C).
Zone 1 Zone 2 Zone 3
LED/Back light Green Red Green
Fahrenheit
Celsius
HACCP Display Back Light
A green display back light indicates a safe cool or frozen condition or a safe warm or hot
condition. A red display back light indicates that the temperature has fallen into the HACCP
“Danger Zone”.
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40˚F
4˚ C
40˚ to 140˚F
4 ˚to 60˚C
140˚F
60˚C
SPECIFICATIONS
Infrared Mode Probe Mode
Measurement Range
Operating Range 32˚ to 122˚F (0˚ to 50˚C)
Accuracy
(Tobj= 59˚ to 95˚F,
Tamb=77˚F)
Accuracy
(Tamb=73.4˚F(±5.4˚))
Emissivity Range 0.95 Default, Adjustable 0.1 to 1 (.01 steps)
Resolution
(-9.9˚ to 199.9˚F/C)
Distance-to-Spot Ratio 8:1
Dimensions 6.62" x 1.55" x 2.08"
Weight 5.11 oz
Battery Life
-76˚ to 662˚F
(-60˚ to 350˚C)
±1.1˚F (0.6˚C)
-76˚ to 32˚F
(±(1.8+0.1*(32-rdg))˚F
32˚ to 149˚F ± 1.8˚F
150˚ to 662˚F ± 1.5% of rdg
-60˚ to 0˚C ±(1+0.1*(0-rdg))˚C
0˚ to 65˚C ± 1˚C
65˚ to 350˚C ± 1.5% of rdg
0.5˚F (0.2˚C)
otherwise 1˚F/C
Typical 14 hrs and 18 min., continuous use (alkaline, with
laser) (Auto power off after 15 seconds)
LCD ERROR MESSAGES
The thermometer incorporates virtual diagnostic messages as well.
Hi or Lo is displayed when the temperature being measured is outside the temperature
range stated in the in the specifications section of this manual.
Er2 or Er3 is displayed when the thermometer is exposed to rapid temperature changes in
ambient temperatures. Er3 is displayed when ambient temperature exceeds 32˚ to 122˚F
(0˚to 50˚C). The thermometer should be allowed plenty of time (minimum 30 minutes) to
stabilize in working/room temperatures.
Er For all other error messages it is necessary to reset the thermometer. To reset, wait for
auto power off, remove the batteries and wait for one minute. Reinsert the batteries, and
turn on the thermometer. If the error message remains please contact UEi Service Center for
assistance.
-76˚ to 662˚F
(-60˚ to 350˚C)
< 23˚F ± 1.8˚F
23˚ to 149˚F ± 0.9˚F
> 150˚F ± 1% of rdg
< -5˚C ± 1˚C
-5˚ to 65˚C ± 0.5˚C
> 65˚C ± 1% of rdg
BATTERY REPLACEMENT
When the batteries are too low for safe
operation, the Low Battery indicator will
display.
• Remove battery cover.
• Replace the batteries 2 (AAA).
• Replace the battery cover
EMC/RFI
Readings may be affected if the unit is operated within radio frequency electromagnetic
field stength of approximately 3 volts per meter, but performance of the thermometer will
not be permanently affected.
WARRANTY
The INF145 is warranted to be free from defects in materials and workmanship for a period of 1 year from
the date of purchase. If within the warranty period your instrument should become inoperative from such
defects, the unit will be repaired or replaced at UEi’s option. This warranty covers normal use and does
not cover damage which occurs in shipment or failure which results from alteration, tampering, accident,
misuse, abuse, neglect or improper maintenance. Batteries and consequential damage resulting from
failed batteries are not covered by warranty.
Any implied warranties, including but not limited to implied warranties of merchantability and fitness
for a particular purpose, are limited to the express warranty. UEi shall not be liable for loss of use of the
instrument or other incidental or consequential damages, expenses, or economic loss, or for any claim or
claims for such damage, expenses or economic loss.
A purchase receipt or other proof of original purchase date will be required before warranty repairs will
be rendered. Instruments out of warranty will be repaired (when repairable) for a service charge
For more information on warranty and service, contact:
This warranty gives you specific legal rights. You may also have other rights, which vary from state to state.
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