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Model Numbers
Model Numbers TT-200/TT-201
Power Source
DC 3 Volt (lithium battery CR2032)
Battery Life
1,000 Measurements in day mode or
300 measurements in night mode.
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
50˚F - 122˚F (10˚C - 50˚C)
Weight
0.08 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.
PRODUCT SPECIFICATIONS
Condition
Possible Cause Corrective Action
Consistent low
temperature
readings (“Lo”)
Temperature
reading is below
measurement range
(below 50˚F/10°C).
Product Design-
Measurement range is
50˚F (10°C) to 122˚F
(50°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 122˚F/50°C).
Product Design-
Measurement range is
50˚F (10°C) to 122˚F
(50°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”).
TROUBLESHOOTING/ERROR CODES
