INST.No.INE-567-P1CE
-35-
10. Maintenance and Inspection
10.1 Cleaning of Objective Lens
Wipe the objective lens periodically with a soft cloth for accurate measurement.
10.2 Cleaning of External LCD and Eyepiece Cover
Wipe the external LCD and eyepiece cover periodically with a soft cloth for clear view.
10.3 Self-Diagnostic Function
This thermometer has self-diagnostic function and displays following indications at abnormality.
Check the contents and take countermeasure.
Error Display
(Main Display)
Contents
Alarm
Countermeasure
M
ain
D
is
pl
ay
(T
h
er
m
om
et
er
)
Higher limit over range
(The object temperature exceeds
the measuring range of the
thermometer)
Status marker
AH lights and the
buzzer turned
"on". *1
Isn't the emissivity set too low?
Set the correct emissivity by referring
"5.1 Emissivity (ratio) Setting" and "13.
Emissivity Table".
Lower limit under range
The object temperature is no
more than the measuring range
of the thermometer)
Status marker AL
lights and the
buzzer turned
"on". *1
Isn't the emissivity set too high?
Set the correct emissivity by referring
"5.1 Emissivity (ratio) Setting" and "13.
Emissivity Table".
Abnormal ambient temperature
(The thermometer is placed in
the environment other than its
working temperature: 0°C or
lower, and 50°C or higher)
Only "Er1" is
displayed.
Use the thermometer within the
working temperature rage 0 to 50°C.
*2
E
2
PROM data broken
(For some reason, data ROM is
broken and that causes broken
memory data, temperature data,
and adjustment data)
Only "Er4" is
displayed.
Re-adjustment is necessary.
Send the thermometer to us.
(Memory data and adjustment data are
initialized.)
10.4 Overflow/Underflow Display
Error Display
(Sub Display)
Contents
Alarm
Countermeasure
S
u
b
D
is
pl
ay
(T
C
te
m
pe
ra
tu
re
)
Higher limit over range
(
・
Thermocouple is disconnected
or,
・
(Object) temperature measured
by the thermocouple exceeds
1220°C)
Only "OFL" is
displayed.
・
If "OFL" is displayed in room
temperature, it means the
thermocouple is broken. Replace it.
・
If "OFL" is displayed while measuring,
it means the thermocouple is in the
temperature 1220°C or higher. The
thermocouple may get broken. Stop
measuring by the thermocouple
immediately.
Lower limit under range
((Object) temperature measured
by the thermocouple is below
-50°C)
Only "UFL" is
displayed.
・
The object temperature exceeds the
lower limit measuring range of the
thermocouple.
It may deteriorate the thermocouple.
Stop the measuring by the
thermocouple immediately.
*1 This is not output, if alarm value is set to "oFF".
*2 This is displayed at power ON or while displaying memory data.
Содержание IR-HA Series
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