Calculated Industries 5065 - Manual (Page 62)

User’s Guide — 57
What is the kw-hr rating for a 4,500 BTU
heater?
Steps Keystrokes Display
Clear calculator
o o
0.
Enter BTU
4 5 0 0
4,500.
Rating
Find Equivalent
S =
KW-H 1.3176
Kilowatt Hours
Find the equivalent resistane for 10
Ohm, 20 Ohm, and 50 Ohm resistors
placed in parallel.
Steps Keystrokes Display
Clear calculator
o o
0.
Enter 1 st Resistor
1 0 S s P-RS 10.
Enter 2 nd Resistor
2 0 S s
P-RS 6.6666667
Enter 3 rd Resistor
5 0 S s
P-RS 5.8823529
NOTE: The total is recalculated with each
additional resistor value entered.
Parallel Resistance