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changed states. This feature allows for minimal block temperature scanning
times and improved accuracy.
Example 2:
With the instrument displaying 25°C, set the set-point to 100°C and enable the
Scan Hold feature. When the thermal switch changes states at 50°C, the con
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troller automatically sets a new set-point of 50°C and the status flashes either
"o or c".
Note: There is a delay between the displayed temperature and the actual tem
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perature of the thermal switch. To achieve better accuracy when the thermal
switch is tripped, the scan rate should be set for a slower time. The slower the
scan rate the more time required to perform a test. The operator must determine
the optimal scan rate for the specific application.
6.5 Ramp and Soak Program Menu
The ramp and soak program feature allows the user to program a number of
set-points and have the dry-well automatically cycle between the temperatures,
holding at each for a determined length of time. The user can select one of four
different cycle functions.
The program parameter menu is accessed by pressing “SET” and then “UP”.
20.00C Well temperature
S+U
Access program menu
ProG Program menu
Press “SET” to enter the program menu
S
Enter program menu
6.5.1 Number of Program Set-points
The first parameter in the program menu is the number of set-points to cycle
through. Up to 8 set-points can be used in a ramp and soak program.
Pn=8 Number of program set-points
Use the “UP” or “DOWN” buttons to change the number from 2 to 8.
Pn=3 New number of program set-points
Press “SET” to continue. Pressing “EXIT” causes any changes made to the pa
-
rameter to be ignored.
9011 Dual-Well Calibrator
User’s Guide
24
1.888.610.7664 sales@GlobalTestSupply.com
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