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Sanitas SFT 77 Manual

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Guidance and manufacturer’s declaration – electromagnetic immunity
The SFT77 Multi-function Thermometer is intended for use in the electromagnetic environment specified below. The customer or the
user of the SFT77 Multi-function Thermometer should assure that it is used in such an environment.
IMMUNITY test IEC 60601 test level Compliance level Electromagnetic environment – guidance
Electrostatic discharge (ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floor should be wood, concrete or ceramic tile. If floors
are covered with shythetic material, the relative humidity
should be at least 30%.
Electrical fast transient/burst
IEC 61000-4-4
±2 kV for power
supply lines
±1 kV air for input/out
-
put lines
Not applicable
Mains power quality should be that of a typical com
-
mercial or hospital environment.
Surge
IEC 61000-4-5
±1kV differential mode
±2kV common mode
Not applicable
Mains power quality should be that of a typical com
-
mercial or hospital environment.
Voltage dips, short interrup
-
tions and voltage variations
on power supply input lines
IEC 61000-4-11
<5% U
T
(>95% dip in
U
T
for 0.5 cycle
40% U
T
(60% dip in
U
T
for 5 cycles
70% U
T
(30% dip in
U
T
for 25 cycles
5% U
T
(>95% dip in
U
T
for 5 sec
Not applicable
Mains power quality should be that of a typical com
-
mercial or hospital environment. If the use of the SFT77
Multi-function Thermometer requires continued ope
-
ration during power mains interruptions, it is recom-
mended that the SFT77 Multi-function Thermometer
be powered from an uninterruptible power supply or
a battery.
Power frequency (50/60 Hz)
magnetic field IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic fields should be at levels
characteristic of a typical location in a typical commer
-
cial or hospital environment.
NOTE: U
T
is the a.c. mains voltage prior to application of the test level.
Table 2
… 67 …


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  • After changing batteries CLr came on screen and it doesn’t work
    Submitted on 5-3-2023 at 22:02

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  • Changed batteries. Screen shows C(celcius) symbol for couple of seconds. After that OFF and turns off. Can't be turned on again. Broken? Submitted on 7-5-2021 at 10:10

    Reply Report abuse

  • After I chaged batteries, the screen only show ”CLr” and i can’t use thermometer anymore, is there something what I can do to make it work Submitted on 5-5-2021 at 19:30

    Reply Report abuse

  • After I chaged batteries, the screen only show ”CLr” and i can’t use thermometer anymore, is there something what I can do to make it work or do I have to buy new? Submitted on 24-8-2020 at 20:50

    Reply Report abuse

    • I had the same. Clear sensor to perfect clean. Remove batteries, wait couple minutes and insert batteries with "head" button preset. I make couple attemps and its work again ;) Answered on 15-3-2021 at 22:26

      Vote up (23) Report abuse


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