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Input and Output Calibration for Recorder with Display
12/03 DR4300 Circular Chart Recorder Product Manual 147
5.4.2 Thermocouple Inputs Using a Compensated Calibrator
Refer to Figure 5-2 and wire the recorder according to the procedure given in Table 5-5.
Table 5-5 Set Up Wiring Procedure for Thermocouple Inputs
Using a Compensated Calibrator
Step Action
1
Connect the thermocouple extension wire to the calibration source (see Figure 5-2).
2
Connect the other end of the thermocouple extension wires to the TB2 terminals on the printed
circuit assembly for the input channel being calibrated.
Main PCA
Pen 2
Main PCA
Pen 1
7
TB2
TB1
7
TB2
TB1
TB2
+
R
–
-
+
Compensated
Calibrator
Thermocouple
extension wires
24825
Figure 5-2 Calibration Set Up Diagram for Thermocouple Inputs
Using a Compensated Calibrator