YOKOGAWA CA550 - Chapter 2 Source; 2.1 DC Voltage Source; 2.2 DC Current Source; 2.3 Resistance Source

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IM CA500-02EN
Using Thermocouple Mini Plugs
The TC-A terminal is a dedicated thermocouple mini plug terminal.
Using the thermocouple mini plug results in more stable reference junction
compensation then using a banana terminal.
Use the same type of thermocouple mini plug as the plug on the item to be
calibrated (thermocouple or range of the device to be calibrated).
(Use the thermocouple mini plug set 90040 or 90045 or a thermocouple mini plug
that you prepared.)
To connect the plug and the item to be calibrated, use the same type of
thermocouple or compensating lead wire as that used on the item to be calibrated.
(Prepare your own thermocouple or compensating lead wires.)
2 Preparation before Use