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TROUBLESHOOTING/ERROR CODES
Condition Possible Cause
Corrective Action
Consistent low
temperature
readings (“Lo”)
Temperature
reading is below
measurement range
(below 93.2˚F/
34.0°C).
Product Design-
Measurement range is 93.2˚F
(34.0°C) to 109.4˚F (43.0°C).
Contact your physician if you have
or suspect any medical problems.
The probe is not
positioned properly
in ear.
Make sure probe is properly
positioned against the opening of
the ear canal
The waterproof probe
is dirty.
Clean the probe with a cotton
swab moistened with alcohol.
Consistent high
temperature
readings (“Hi”)
Temperature
reading is above
measurement range
(above 109.4˚F/
43.0°C).
Product Design-
Measurement range is 93.2˚F
(34°C) to 109.4˚F (43°C). Contact
your physician if you have or
suspect any medical problems.
Consistent error
messages (“Err”)
Operating
temperature
is not within the
permissible range for
measurement.
Product Design-
Operating temperature is
60.8˚F (16°C) to 104˚F (40°C).
Low battery warning Battery power
is low.
Replace battery (see “Inserting
and Replacing Batteries”).
Low battery warning
with “Lo” symbol
Battery power is
too low for the
thermometer to
function.
Replace battery
immediately (see “Inserting and
Replacing Batteries”).
PRODUCT SPECIFICATIONS
Model Number
Model Number TE-100
Power Source
DC 3 Volt (lithium battery CR2032)
Battery Life
1,700 Measurements
Sensor
Thermopile
Temperature Indication
In 4 digits, every 0.1˚F or ˚C
Accuracy
+/- 0.4˚F/0.2°C between 96.8˚F -
102.2˚F (36.0°C - 39.0°C)
+/- 0.5˚F/0.3°C less than 96.8˚F (36.0°C)
or greater than 102.2˚F (39.0°C)
Measurement Range
93.2˚F - 109.4˚F (34˚C - 43˚C)
Weight
0.10 lbs (with battery)
Operating Temperature
60.8˚F - 104˚F (16˚C - 40˚C)
Operating Humidity
Relative humidity up to 95%
(non-condensing)
Storage Temperature
-4˚F - 122˚F (-20˚C - 50˚C)
Storage Humidity
Relative humidity up to 95%
(non-condensing)
Contents
Ear Thermometer & Battery, Storage Case,
Instruction Manual
NOTE: These specifications are subject to change without notice. This ear
thermometer meets requirements established in ASTM Standard E1965-98.
temperature measurements, please contact HoMedics
Consumer Relations at 1-800-466-3342.