RC watt's up WU100 - Page 19

Using Watt's Up 17
The following are some example four-wire meter connections. Many other arrangements
and uses are possible.
"Watt's Up" & "Doc Wattson" Watt Meter and Power Analyzer User's Manual RC Electronics, Inc.
T e s t i n g L o a d s
( e . g . m o t o r s )
" W a t t ' s U p "
w a t t m e t e r
B a t t e r y
( 4 - 6 0 V ) *
+
-
+
-
S p e e d
C o n t r o l
+
-
+
-
M o t o r
( B r u s h e d o r
B r u s h l e s s )
B a t t e r y
C h a r g e r
( 4 - 6 0 V ) *
B a t t e r y
+
-
+
-
+
-
SOURCE
LOAD
" W a t t ' s U p "
w a t t m e t e r
+
-
+
-
SOURCE
LOAD
p l u g - p l u g
j u m p e r w i r e s
" W a t t ' s U p "
w a t t m e t e r
B a t t e r y
( 0 - 6 0 V )
+
-
+
-
D i s c h a r g e
L o a d
+
-
+
-
SOURCE
LOAD
B a t t e r y C h a r g i n g
B a t t e r y D i s c h a r g i n g
L o a d s
P o w e r S o u r c e s
L e g e n d
P l u g c o n n e c t o r
S o c k e t c o n n e c t o r
A u x i l i a r y
B a t t e r y
( 4 - 6 0 V )
+
-
S h o w s a u x i l i a r y b a t t e r y c o n n e c t e d t o
a l l o w m e a s u r e m e n t d o w n t o 0 v o l t s
* 0 V i f u s i n g a u x i l i a r y b a t t e r y .
" W a t t ' s U p "
w a t t m e t e r
R e c e i v e r
B a t t e r y
( e . g . 4 . 8 V )
+
-
+
-
+
-
R e c e i v e r
+
-
SOURCE
LOAD
R e c e i v e r & S e r v o
T e s t i n g
A u x i l i a r y
B a t t e r y
( 4 - 6 0 V )
+
-
.
.
.
S e r v o n
S e r v o 1
y o u r a d a p t e r /
j u m p e r w i r e s
v 1 . 1