Other Functions
Operating Instructions
For Item 93983 Non-Contact Pocket Thermometer
Thank you for purchasing our non-contact infrared thermometer. Please remember to keep away from children
and don’t use it for safety related applications. NOT FOR MEDICAL OR FOOD SAFETY USE.
ꢁPower on and press the “Mode key” once for the Minimum (MIN)
or twice for Maximum (MAX) modes. When the MIN or MAX icon
flashes, press the “Meas. key” to confirm. Hold down the “Meas. key”,
the minimum or maximum reading of measurement will be
continuously updated.
MIN / MAX
Specifications:
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Temperature measurement range: -33 to +110°C (-27~230°F)
Operating temperature range: -10 to +50°C (14 to +122°F)
Resolution: 0.1°C /°F (for thermometer); 0.01sec (for Stopwatch)
Accuracy (Tamb=23±3°C): +/-2% of reading or +/-2°C(4°F)
Field of View: 1:1
ꢁPower on and press the “Mode key” three times. When the LOCK
icon flashes, press the “Meas. key” to confirm. This mode is
particularly useful for continuous monitoring of temperatures for up to
60 minutes or until the “Meas. key” is pressed.
LOCK
Emissivity: 0.95 fixed
ꢁPower on and press the “Mode key” five times. When the °C icon
flashes, press the “Meas. key” to change the scale to °F. The setting
will be reserved even if power off.
Auto real time clock and Room temperature while power off
°C / °F Switch, MIN/MAX/LOCK, Stop Watch function
Battery Life: 40 hours continuous use (auto power off after
15seconds), The battery life is approximately 6 months.
Battery: one CR2032 lithium cell battery
°C / °F
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Battery replacement
Battery is low and no more measurements are possible.
Real time clock setting
The battery should be replaced immediately with a CR2032 lithium cell. The battery is
located under the twist cover at the rear of thermometer. Please remember to power
off the unit before replacing the battery.
1
Power on: Press the “Meas. key”.
2
Press the “Mode key” six times and the “Set” icon starts to
flash, which indicates the setting screen.
Press the “Meas. key” to make the “24” icon flash, which
indicates the 12/24-hour setting screen.
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3
A malfunction may occur if the power is on when the battery is replaced. If a malfunction occurs, restart
the device. Keep the battery away from children.
(12/24-hour setting screen)
Press the “Meas. key” again to set 12/24-hour Format from
24-hour to 12-hour.
Important notes
4
5
Press the “Mode key” to move the flashing in the sequence shown below to select other settings.
Hour ꢁMinutes
While the hour, minutes setting is flashing, use “Meas. key” to change it. Press “Mode key” when
complete.
Storage & Cleaning: The sensor lens should be kept clean at all times and stored at room temperature.
1. Use only a soft cloth or cotton swab with water or medical alcohol when cleaning
the lens. 2. Remember to allow the lens to fully dry before using.
3. The thermometer should be stored at –20 to +65 oC (-4 to 149 oF).
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.
Use of the thermometer
1
2
3
Always make sure the probe is clean without any damage.
Power on: Press the “Meas. key”.
Temperature taking: When you press the “Meas. key”, you
will get the temperature immediately. If you hold down the
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Troubleshooting
(Power off)
(Power on)
“Meas. key”, the reading of measurement will be continuously updated.
Note: The Distance:Spot is 1:1. Please make sure the target area is within the field of view.
information.
‘Hi’ or ’Lo’ is displayed when the temperature being measured is outside of the
range of the instrument, ‘Hi’ when higher than +110oC (230°F) and ‘Lo’ when
lower than –33 oC (-27°F). ꢀPlease select target within specifications. If
a malfunction still exists, please contact the nearest retailer.
4
Power off: Device will automatically power off if left idle for more than 15sec to extend battery life.
‘Er2’ is displayed when the thermometer is exposed to rapid changes in the
ambient temperature. ‘Er3’ is displayed when the ambient temperature
exceeds –10 oC (14°F) or 50oC (122°F). ꢀThe thermometer should be
allowed plenty of time (minimum 30 minutes) to stabilize to the
working/room temperature.
Use of the Stop Watch
1
Power on: Press the “Meas. key”.
2
Press the “Mode key” four times and the “count” icon starts
to flash.
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Min:Sec = 00:3.36
(resolution=0.01sec)
3
4
For start or stop counting, press the “Meas. key”.
For reset counting, press the “Mode key”.
Press “Mode key” to enter the thermometer function.
ꢀFor all other error messages it is necessary to reset the thermometer. To reset the
thermometer, wait for the instrument power 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 a qualified service technician.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at: http://www.harborfreight.com
A new way to measure temperature
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