Liquid Controls SCAMP - Manual (Page 11)

11
TEMPERATURE-VOLUME COMPENSATION (Cont.)
STEP 8: Temperature Adjustment
Your SCAMP unit has been factory calibrated for accurate temperature measurement
using a standard 100-ohm platinum RTD with 5 feet of lead wire meeting IEC Class
751-B requirements. If field adjustment is required to match a Weights & Measures
thermometer reading, a temperature offset can be entered as follows:
♦ Set the Function Switch to the “C” position. The LED will scroll “A0 Cxx.xx” or “A0
Fxx.xx”, where “A0” indicates that no adjustment offset value has been set, “Cxx.xx”
indicates the current temperature in degrees Celsius, and “Fxx.xx” indicates the
current temperature in degrees Fahrenheit. (NOTE: If the current temperature is
±999.9, there is a problem with the probe, or it is not connected properly).
♦ Enter the Temperature Scale (Celsius or Fahrenheit) on the Data Switches. To
select Celsius as the temperature scale, set the switches to 10003 and depress the
Data Entry pushbutton. To select Fahrenheit as the temperature scale, set the
switches to 20003 and depress the Data Entry pushbutton.
♦ Enter the Temperature Adjustment on the Data Switches required to match the
Weights & Measures thermometer reading and depress the Data Entry pushbutton.
The LED display will now scroll “Ay.yy Cxx.xx” or “Ay.yy Fxx.xx” depending on the
temperature scale selected.
NOTE: If the temperature scale is Celsius, the temperature adjustment value must be
greater than or equal to -0.300 and less than or equal to 0.300. If the temperature scale
is Fahrenheit, the temperature adjustment value must be greater than or equal to -0.540
and less than or equal to 0.540.
For example, an adjustment of -0.25 degrees Fahrenheit would be entered on the
switches as 00252, where the leading zero indicates a negative number and the trailing
“2” indicates positioning of the decimal point. The display would then read “A-0.25
Fxx.xx” where xx.xx is the current temperature in degrees Fahrenheit adjusted by
-0.250.