Thermo Scientific Ramsey MINI CK100, Operating And Service Manual

Page: 40 / 97

3-10
When ADV is pressed, the system scrolls between Zero and AZT.
When is displayed AZT value, with ENTER key is possibile to insert AZT value in the zero
constant, then are displayed the AZT number and the percent. (%) of difference about the
previous zero value.
3.8.2 Span Calibration Scroll
The span calibration can be done in two different ways:
•
R-Cal
•
Test Weights or Two Point Calibration
The Indicator allows the operator to select which one of the two methods to be used. The
selection is made in MENU 2 , CAL DATA .
Then to return to MENU 1 for Span Calibration.
3.8.2.1 Auto Span
3.8.2.1.1 Calibration with R-Cal
Use the following procedure for Calibration with R-CAL :
1. Press key function
CAL SPAN
The following screen displays:
When
START
is pressed, the Rcal relay energizes. A half second delay occurs after
START for the weight to stabilize, then begin the AutoSpan.
NOTE : The operator must be insure that the scale is empty before pressing start.
- ZERO CORRECTION-
AZT
±
000000
AZT %
±
000000
ENTER EXIT ADV
AUTO SPAN R CAL
Empty scale, Then press
START
START MANUAL