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Input
Calibration -
Calibration
Set Up and Wiring for PV Inputs
Release M
DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
185
April 2017
Thermocouple inputs using a compensated calibrator method
Refer to Figure 7-4 and wire the recorder according to the procedure given in Table 7-7.
Table 7-7 Set up wiring procedure for Thermocouple inputs using a compensated
calibrator method
Step
Action
1
Connect the thermocouple extension wire to the Precision Compensated Calibrator (see
Figure 7-4).
2
Connect the other end of the thermocouple extension wires to the clamp type terminals in the
plug for the applicable input connector (J2).
3
Reinstall the plug into the input connector (J2) on the applicable circuit board for Input 1 or
Input 2.
#2 #1
22090
Connector plug J2 f or
inputs #1 or #2
+
_
Thermocouple
extension wires
_
+
Compensated
Calibrator
MA
W1
Be sure W1/MA
jumper is in position
W1 on the input board.
T/C
RTD
Be sure W3 jumper
is in position T/C
on the input board.
Figure 7-4 Calibration set up diagram for Thermocouple inputs using a compensated
calibrator method