Calculated Industries 5070-B Pocket Reference Guide - Manual (Page 37)

P
ocket
R
efeRence
G
uide
— 37
(cont’d)
What is the kilowatt-hour rating for a
4,500 BTU heater?
KEYSTROKE DISPLAY
  0.
1. Enter BTU rating:
    4,500.
2. Find equivalent kilowatt hours:
  (Btu►Kw-hr) KW-h 1.3176
PaRallel ResIsTanCe
Find the equivalent Resistance for
10 Ohm, 20 Ohm, and 50 Ohm
resistors placed in parallel.
KEYSTROKE DISPLAY
  0.
1. Enter first Resistor:
   
(Par Res)
P-RS 10.
2. Enter second Resistor:
   
(Par Res)
P-RS 6.6666667
3. Enter third Resistor:
   
(Par Res)
P-RS 5.8823529
Note: The total is recalculated with each
additional Resistor value entered.