HP 3457A Service Manual page 20

Table
1-1.
Specifications
General Information
- -
-- -
- -
.
- -
TRUE RMS AC VOLTAGE (Cont'd)
24 HOUR: T c a l
k
I ' C
(ACV F u n c t i o n ) A f t e r 2 h o u r warm-up A c c u r a c y r e l a t i v e t o c a l i b r a t i o n s t a n d a r d
300 V r a n g e .
FREQUENCY PERCENT
0
F
READ I N G
9 0 DAY: T c a l rf:
S ' C
(ACV F u n c t i o n ) A f t e r 1 h o u r warm-up
NUMBER O F COUNTS
3 0 m V t o 3 0 V r a n g e s
FREQUENCY
.0005 PLC
3 1 / 2 d i g i t s
*
PERCENT
0
F
READING
.005 PLC
4
1 / 2 d i g i t s
> = 1 PLC
6 1 / 2 d i g i t s
NUMBER
O F
COUNTS
0 . 1 PLC
5 1 / 2 d i g i t s
9 0 DAY: T c a l
It
5 ' ~ (ACV F u n c t i o n ) A f t e r 1 h o u r warm-up
> =
1 PLC
6 1 / 2 d i g i t s
1120
1120
1120
1120
2100
9700
66400
300
V
r a n g e .
0.1 PLC
5 1 1 ' 2 d i g i t s
1 1 6
116
1 16
550
224
974
6640
FREQUENCY
*
PERCENT
0 F
READING
0.62
0 . 2 7
0 . 1 9
0.2
1 .O6
- 0 0 5 PLC
4 1 / 2 d i g i t s
6
6
6
1 0
8
.0005 PLC
3 1 / 2 d i g i t s
*
S p e c i f i c a t i o n s a p p l y w i t h i n one week o f A C a u t o - c a l ( A C A L 2 ) f o r s t a b l e t e m p e r a t u r e c o n d i t i o n s .
( T c a l k 5 ' ~ ) . I f AC a u t o - c a l i s n o t used, add 0 . 6 t o t h e p e r c e n t o f r e a d i n g f i g u r e s .
**
U s i n g AC f a s t f ~ l t e r (ACBAND 4 0 0 ) f o r frequencies above 400Hz.
NUMBER
OF
COUNTS
F o r 1 y e a r s p e c i f i c a t i o n s , a d d . I % t o 24 h o u r p e r c e n t o f r e a d i n g f i g u r e s , add 600 t o 6 1 / 2 d i g i t
c o u n t s , a d d 6 0 t o 5 1 / 2 d i g i t c o u n t s , add 6 t o 4 1 / 2 d i g i t c o u n t s , add . 6 t o 3 1 / 2 d i g i t c o u n t s
( T c a l k 5 ' ~ ) .
.0005 PLC
3 1 / 2 d i g i t s
> = 1 PLC
6 1 / 2 d i g i t s
0 . 1 PLC
5 1 / 2 d i g i t s
.005 PLC
4 1 / 2 d i g i t s