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LCD screen Description & Solution
Outside displayed temperature range
I
Result is higher than 43.0 °C (109.4 °F).
➜
The user should rest in a steady room temperature for at
least 30 minutes. Then measure again.
Outside displayed temperature range
II
Result is lower than 34.0 °C (93.2 °F).
➜
The user should rest in a steady room temperature for at
least 30 minutes. Then measure again.
Error symbol
I
Disturbance occurred while measuring.
➜
Repeat the measuring steps again. If the error persists,
return the CTD504 to your local distributor.
Error symbol
II
Memory error occurred while measuring.
➜
Repeat the measuring steps again. If the error persists,
return the CTD504 to your local distributor.
OTHER INFORMATION
This product conforms to the provisions of the EC directive
93/42/EEC (Medical Device Directive). And also complies
with following standards (included but not limited):
Safety standard:
EN 60601-1 Medical electrical equipment part 1: General requirements for safety
EMC standard:
EN 60601-1-2 Medical electrical equipment part 1-2: General requirements for
safety- Collateral standard: Electromagnetic compatibility- Requirements and tests
Performance standards:
EN 12470-5, Clinical thermometers - Part 5: Performance of infra-red ear
thermometers (with maximum device)
Follow instructions for use.
+40°C
+10°C
(50.0°F)
(104°F)
The upper and lower limits of temperature.
Keep dry.
0197
2. Figure: Diurnal Variations in Body Temperature
Hours of activity and work Hours of rest and sleep
a.m. p.m. a.m.
Deg.
Deg.
F.
C.
Source: 1911, Encyclopedia Britannica, 11
th
edition, Volume 2, Part 1, Slice 1, p95.
TROUBLESHOOTING
LCD screen Description & Solution
fl ashes
Battery power is low, but the CTD504 can still measure.
➜
Remove the worn-out battery. Insert a new CR2032 battery
as soon as possible. Without enough energy, the CTD504
cannot function as it should.
lights
Battery power is too low to measure.
➜
Remove the worn-out battery. Insert a new CR2032 battery
as soon as possible.
Too high ambient temperature
Ambient temperature is higher than 40.0 °C (104.0 °F)
➜
Leave the CTD504 in a room around 10.0 °C – 40.0 °C
(50.0 °F – 104.0 °F) for 30 minutes. Then measure again.
Too low ambient temperature
Ambient temperature is lower than 10.0 °C (50.0 °F)
➜
Leave the CTD504 in a room around 10.0 °C – 40.0 °C
(50.0 °F – 104.0 °F) for 30 minutes. Then measure again.