Hioki MEMORY HiLOGGER LR8450 Instruction Manual page 36

6
Under
OFF
ON
7
Under [RJC], select the type of reference junction compensation to use.
INT
EXT
Measurable temperature range
The measurable temperature range depends on the type of thermocouple being used.
Thermocouple
*: [B]
if [B]
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[Burn out], select whether you wish to detect wire breaks.
Does not detect thermocouple wire breaks.

Values will vary when a thermocouple experiences a wire break.
Detects thermocouple wire breaks when measuring temperature using thermocouples.
The numerical value display and cursor value will be indicated as
wire break occurs. Calculated values and saved data are treated as 327.66°C (100°C
f.s. range), 1638.3°C (500°C f.s. range), or 3276.6°C (2000°C f.s. range).
There are limits on the data refresh interval that can be set.
See "Thermocouple wire break detection" (p. 3 2).
Performs reference junction compensation inside the measurement module.

Use this setting when the thermocouple (or compensation lead wire) is connected
directly to the instrument.
The measurement accuracy is determined by adding the temperature measurement
accuracy to the reference junction compensation accuracy.
Does not perform reference junction compensation inside the measurement module.
Use this setting when connecting an external zero junction compensation device (0°C
ice water, etc.).
The measurement accuracy is defined by the temperature measurement accuracy
alone.
Measurable temperature range
K −200°C to
J −200°C to
E −200°C to
T −200°C to
N −200°C to
R
S
B* 400°C to
C
can be selected when using the 2000°C range. Temperatures from 0°C to 400°C will be displayed even
is selected, but accuracy will not be guaranteed.
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1350°C
1200°C
1000°C
400°C
1300°C
0°C to 1700°C
0°C to 1700°C
1800°C
0°C to 2000°C
Configuring Input Channels
[BURNOUT]
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