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－１０５－
18. ADJUSTMENT
18.1 Adjustment of Measured Values
3 Connections
Connections depend upon the input types. Connect the standard tools to the input terminals to be adjusted.
To prevent any injury caused by electric shock, be sure to turn off the power supply before connections.
(1) In case of thermocouple input
The electromotive force of the thermocouple input is reduced by an amount proportional to the temperature
at the terminals. The recorder itself compensates (reference junction compensation) for this reduction. The
adjustment is executed by inputs based on the reference electromotive force (0°C reference). In case the
“RJ selection” is set to “1” (Enable) in the “Range/Printing range” programming, an amount equivalent to the
reference junction compensation has to be subtracted using a reference junction compensator.
(2) DC voltage input (3) Resistance thermometer input
Make sure to connect after turning off the power supply.
Caution
Thermocouple wire *
Copper lead wire
Reference junction
compensator
DC standard voltage
generator
Test tube
Vacuum bottle
Ice + distilled water
Silicon oil
DC standard voltage
generator
Standard variable
resistor
(+)
( - )
+
-
(+)
( - )
+
-
(B)
(A)
(B)
Input terminals
1 2
3
4
Input terminals
1 2
3
4
Input terminals
1 2
3
4