Cutout Reset Mode; Calibration Parameters; Cto - Fluke 7011 User Manual

Temperature bath
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9.11.1

Cutout Reset Mode

The cutout reset mode determines whether the cutout resets automatically when
the bath temperature drops to a safe value or must be manually reset by the
operator.
The parameter is indicated by,
CtorSt
Press "SET" to access the parameter setting. Normally the cutout is set for
manual mode.
Cto=rSt
To change to automatic reset mode press "UP" and then "SET".
Cto=Auto
9.12

Calibration Parameters

The operator of the bath controller has access to a number of the bath calibra-
tion constants namely CTO, H, and L. These values are set at the factory and
must not be altered. The correct values are important to the proper and safe op-
eration of the bath. Access to these parameters is available to the user only so
that in the event that the controller's memory fails the user may restore these
values to the factory settings. The user should have a list of these constants and
their settings with the manual.
CAUTION: DO NOT change the values of the bath calibration constants
from the factory set values. The correct setting of these parameters is im-
portant to the safety and proper operation of the bath.
The calibration parameters menu is indicated by,
Press "SET" five times to enter the menu.
9.12.1

CTO

Parameter CTO sets the calibration of the over-temperature cutout. This is not
adjustable by software but is adjusted with an internal potentiometer. For the
7011 bath this parameter should read between 110 and 130.
Cutout reset mode parameter
Cutout set for manual reset
Cutout set for automatic reset
CAL
Calibration parameters menu
9 Controller Operation
Calibration Parameters
45

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