Harbor Freight Tools Infrared Laser Thermometer Product manual
93984 Thermometer Operating
93984 Thermometer Operating
Instructions
Instructions
93984 series thermometer is a non-contact infrared thermometer.
Simply aim the thermometer at the target and press the ‘Scan’ button to
display the surface temperature.
Laser Information:
By partially pressing the ‘Scan’ button, the device will begin to
measure the temperature of the target. When the ‘Scan’ button is
completely depressed, the laser will operate.
CAUTION!
1. NOT FOR FOOD SAFETY OR MEDICAL USE.
2. CONTAINS SMALL PARTS. KEEP OUT OF
REACH OF CHILDREN.
°C OR °F MODE
To change from ‘°C’ to ‘°F’ or from ‘°F’ to ‘°C’, first turn the instrument
on by pressing the ‘Scan’ button. Then press the ‘Mode’ button four
times, the ‘°C’ or ‘°F’ symbol will flash. Press the ‘Scan’ button to
change to scale, then press the ‘Scan’ button to confirm the mode.
MINIMUM OR MAXIMUM MODE
To utilize the minimum or maximum mode: first turn the instrument on by
pressing the ‘Scan’ button. Then press the ‘Mode’ button once for
minimum or twice for maximum function. The ‘MIN’ or ‘MAX’ icon will
flash, then press the ‘Scan’ button to confirm the minimum or maximum
mode. The unit will display the minimum or maximum reading only.
LOCK MODE
The lock mode is particularly useful for continuous monitoring of
temperatures.
To utilize the unit’s LOCK mode: first turn the instrument on by pressing
the ‘Scan’ button, then press the ‘Mode’ button three times for the lock
mode function. The lock icon will flash, then press the ‘Scan’ button to
confirm the lock ‘Scan’ mode. It will continuously display the temperature
for up to 60 minutes or until the ‘Scan’ button is pressed again.
LCD ERROR MESSAGES
The thermometer incorporates visual diagnostic messages as follows:
「 」
‘Hi’ or ’Lo’ is displayed when the temperature being
measured is outside of the range of the instrument,
‘Hi’ when higher than +250°C (482°F) and ‘Lo’ when
lower than –33°C (-67°F).
「 」
「 」
‘Er2’ is displayed when the unit is exposed to rapid
changes in the ambient temperature. ‘Er3’ is
displayed when the ambient temperature EXCEEDS
0°C (32°F) OR +50°C (122°F). In both cases you
should allow plenty of time (minimum 30 minutes) for
the unit stabilize to the working/room temperature.
「 」
「 」
For all other error messages it is necessary to reset
the unit. To reset it, turn the instrument off, remove
the battery and wait for a minimum of one minute,
reinsert the battery and turn on. If the error message
remains please contact the Service Department for
further assistance.
BATTERIES
The unit has two separate batteries. The battery closer to the side of the
laser beam output is for laser operation only. The other battery is
designated for temperature measurements. The unit can still measure
temperature properly, even without the laser battery.
This item incorporates visual low battery indication (for the lower battery)
as follows:
‘Battery OK’:
measurements
are possible
‘Battery Low’: battery needs
to be replaced,
measurements are possible
‘Battery Exhausted’:
measurements are
not possible
BATTERY REPLACEMENT
When the ‘Low Battery’ icon indicates the battery is low, the battery
should be replaced immediately with a CR2032 lithium cell. The battery
is located under the twist cover at the rear of the thermometer. Please
note: It is important to turn the instrument off before replacing the battery
otherwise the unit may malfunction.
Dispose of used battery properly and keep away from children.
STORAGE & CLEANING
The sensor lens is the most delicate part. The lens should be kept clean
at all times, care should be taken when cleaning the lens using only a
soft cloth or cotton swab with water or medical alcohol, allowing the lens
to fully dry before using. Do not submerge any part of this item. This
item should be stored at room temperature between -20 to +65C (-4 to
+149F).
SPECIFICATION
Measurement Range
-33 to +250°C (-27~482°F)
Operating Range
0~50°C (32~122°F)
Accuracy
(Tobj=15-35°C,Tamb=25°C)
+/-1.0°C (1.8°F)
Accuracy
(Tobj=-33~250 oC, Tamb=23±3 oC)
±2% of reading or 2C (4F) whichever is
greater
Resolution (-9.9~199.9°C)
0.1°C / 0.1°F (switchable)
Response Time (90%)
1 second
Distance: Spot
6:1 optics ratio
Emissivity
0.95 fixed
Battery Life
Typ. 40hr, min 30hr
(auto power off after 15 seconds)
Battery
CR2032 (for Laser, 2pcs required)
Dimensions
22.5 x 50 x 103mm
Weight
65 grams including batteries
EMC/RFI
Readings may be affected if the unit is operated within radio frequency
electromagnetic field strength of approximately 3 volts per meter, but the
performance of the instrument will not be permanently affected.
There are no user serviceable parts inside the instrument. Any
attempted repair by unqualified persons voids the warranty.
Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
Visit our Web site at: http://www.harborfreight.com
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