Switch Calibration - Fluke 753 User Manual

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Users Manual
Select the √ instrument procedure in a menu after you push
the As Found softkey.

Switch Calibration

The procedure to calibrate a switch also uses the As Found
and As Left calibration templates. Select the 1 Pt. Switch or
2 Pt. Switch procedure in a menu after you push the As
Found softkey. Figure 35 specifies the terminology used
when you calibrate limit switches.
The template to set up the switch procedure uses these
parameters:
•
Switch sense (normally open or closed)
• For each setpoint:
•
Setpoint value
• Setpoint tolerance
•
High limit or low limit
•
Minimum deadband
• Maximum deadband
76
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Process
Variable
Switch A: Low Limit
Figure 35. Switch Terminology
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Switch B
Open
Switch B
Setpoint
Deadband
Reset
Switch B
Closed
Switch A
Closed
Reset
Deadband
Switch A
Setpoint
Switch A
Open
Switch B: High Limit
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