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MAINTENANCE and STORAGE
◆
Storage
1. If you will not use the CTD504 for over 2 months, remove the battery from the
compartment.
2. Always store the CTD504 in its container after use.
3. ONLY the CTD504 probe tip is waterproof. Do not dip it in water or any other
liquid.
4. Keep the CTD504 away from:
• Extreme temperatures
• Overly humid or dry environment
• Direct sunlight
• Dusty places.
5. For details of environmental conditions, refer to “Specifi cations”. Using the
CTD504 outside the stated range may lead to inaccurate results or malfunction.
◆
Maintenance
1. Do not disassemble or change any parts of the CTD504. Such action may
reduce its accuracy.
2. Do not drop the CTD504, and avoid any strong impact.
ABOUT THE EAR THERMOMETER
Normal body temperature differs by body parts, time and age. Here are two tables
for your reference:
1. Normal Body Temperature Range
Age
Site
0 – 2
years old
3 – 10
years old
11 – 65
years old
Over 65
years old
Oral N/A
95.9 – 99.5 °F
35.5 – 37.5 °C
97.6 – 99.6 °F
36.4 – 37.6 °C
96.4 – 98.5 °F
35.8 – 36.9 °C
Rectal
97.9 – 100.4 °F
36.6 – 38.0 °C
97.9 – 100.4 °F
36.6 – 38.0 °C
98.6 – 100.6 °F
37.0 – 38.1 °C
97.1 – 99.2 °F
36.2 – 37.3 °C
Axillary
94.5 – 99.1 °F
34.7 – 37.3 °C
96.6 – 98.0 °F
35.9 – 36.7 °C
95.3 – 98.4 °F
35.2 – 36.9 °C
96.0 – 97.4 °F
35.6 – 36.3 °C
Ear
97.5 – 100.4 °F
36.4 – 38.0 °C
97.0 – 100.0 °F
36.1 – 37.8 °C
96.6 – 99.7 °F
35.9 – 37.6 °C
96.4 – 99.5 °F
35.8 – 37.5 °C
Core
97.5 – 100.4 °F
36.4 – 38.0 °C
97.5 – 100.0 °F
36.4 – 37.8 °C
98.2 – 100.2 °F
36.8 – 37.9 °C
96.6 – 98.8 °F
35.8 – 37.1 °C
Source: Offi cial Health Central, http://www.offi cialhealthcentral.com.