Integration Time - HP 3457A Service Manual

Table 1-1. Specifications
TRUE RMS AC VOLTAGE ( C o n t y d )
TEMPERATURE COEFFICIENT
-
DC COUPLED: 30 m V and 3 V r a n g e s .
FREQUENCY PERCENT
READ1 N G
NUMBER
C
6 1 / 2 d i g i t s 1 5 1 / 2 d i g l t s
I F
COUNTS
4 1 / 2 d i g i t s
3 1 / 2 d i g i t s
5 . 7
6 . 0
COMMON MODE REJECTION:
W i t h 1 KOhm i n ~ b a l a n c e i n LO Lead,
>
76 d b f r o m DC t o 60 Hz.
MAXIMUM READING RATES: ( R e a d i n g s / S e c o n d )
D I G I T S
) I SPLAYED
INTEGRATION
TIME
0.0005 PLC
0.005 PLC
0.1 PLC
1 PLC
10 PLC
100 PLC
RATE
*
A C FAST RESPONSE
READ 1
N
*
A C
SLOW RESPONSE
R e a d i n g R a t e s a p p l y w i t h A u t o - z e r o ON, f i x e d r a n g e a n d p r e p r o g r a m m e d s e t t l i n g t i m e s .
*
ACBAND s e t t o
<
400 f o r AC s l o w r e s p o n s e and s e t t o
>
400 f o r A C f a s t r e s p o n s e .
TRUE RMS AC CURRENT
(AC and DC Coupled)
INPUT CHARACTERISTICS:
RANGE
30 m A
3 0 0 m A
1
A
=> 1 PLC
6 1 / 2 d i g i t s
MAX I M U M
READING
6 1 / 2 d i g i t s
3 2 . 5 0 0 0 0 m A
325.0000 m A
1 . 0 0 0 0 0 0 A
RESOLUTION
.0005 PLC
3 1 / 2 d i g i t s
0.1 PLC
5 1 / 2 d i g i t s
MAXIMUM INPUT: ( n o n - d e s t r u c t i v e )
1.5 Amps f r o m 250 v o l t s o u r c e . I n p u t i s f u s e p r o t e c t e d .
.005 PLC
4 1 / 2 d i g i t s
MAXIMUM BURDEN VOLTAGE:
1
Vrms a t
1
Arms i n p u t f o r f r e q u e n c i e s < 20 KHz
CREST FACTOR: z 3.5 t o 1 a t f u l L - s c a l e .