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Performing a master reset on a Fluke drywell calibrator

Tech Notes

          

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Title: Performing a master reset on a Fluke drywell calibrator

Created: 3 Apr 2012

Last Revised: 3 Apr 2012

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Applies To: All TCAL Drywells

 

Problem Description: The drywell is not responding or the drywell is functioning erratic or abnormal.

 

Resolution/Work Around:  Before beginning, make sure you have your last calibration certificate for the instrument.  If the calibration certificate cannot be located, you must go into the menus of the controller and write down all the calibration parameters prior to resetting the instrument.

 

Refer to the user’s guide for your particular instrument to locate these parameters. Generally, these values can be found in the “Cal” and “Probe” menus. The instrument calibration parameters, cutout temperature, and proportional band settings are the most important values to record.

 

These parameters may include:

Type

Display Symbol

Unit Parameter

Type

Display Symbol

Unit Parameter

Proportional Band

ProP or Pr

 

Cut Out

CtOut or Ct

 

High Limit

H or HL

 

Low Limit

L or LL

 

Resistance Zero

r0

 

Alpha

ALPHA or AL

 

Delta

dELtA or dE

 

Beta

bE

 

 

When the instrument is reset all the parameters will be changed to default values.

 

Once you have obtained all of the necessary parameters, continue the reset procedures as

outlined below.

 

1. Turn off the power to the instrument.

2. Push and hold the “Set” and “Exit” button simultaneously, while turning ON the power switch.

Continue to hold the “Set” and “Exit” buttons until you see: “InIT” on the display, then release

the buttons.

3. Now reprogram all the parameters into the instrument.

4. After reprogramming, make sure the instrument functions normally.

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