HP 3457A Service Manual page 23

General
1-16
information
3457A
Table 1-1. Specifications
TRUE RMS AC VOLTAGE (Cont'd)
TEMPERATURE COEFFICIENT
FREQUENCY PERCENT
READING
DC COUPLED:
6
30 mV and 3 V ranges.
NUMBER OF COUNTS
5 1/2 digits|4 1/2 digits|3 1/2 digits 1/2 digits
0.01
0.08
20Hz-100KHz
101KH2- IMHz
COMMON MODE REJECTION:
With 1 KOhm imbalance in LO
MAXIMUM READING RATES:
INTEGRATION
TIME
DIG
lead, >
ITs
DISPLAYED
ier
6.0
5700
6000
570
600
57
60
76 db from DC to 60 Hz.
(Readings/Second)
READING RATE
* AC SLOW RESPONSE |* AC FAST RESPONSE
60 Hz 50 Hz 60 Hz 50 Hz
0.0005 PLC
0.005 PLC
0.1 PLE
1 PLE
10 PLC
100 PLC
Reading Rates apply with Auto-zero ON,
* ACBAND set to < 400 fo
INPUT CHARACTERISTICS:
MAXIMUM
READING
RANGE |6 1/2 digits |6 1/2 digits|5 1/2 digits]4 1/2 digits |3
2
72
2
2
172
V2
AC slow response and set
65
17
fixed range and preprogrammed
> 400 for AC fast
settling times.
to response.
TRUE RMS AC CURRENT
(AC and DC Coupled)
RESOLUTION
PLC -005 PLC -0005 PLC
1/2 digits
1 PLO 0.1
30 mA
300 mA
1A
32.50000 ma
325.0000 mA
1.000000 A
MAXIMUM INPU (non-destructive)
1.5 Amps from 250 volt source.
MAXIMUM BURDEN VOLTAGE:
1
1
1
1
10 uA
100 uA
1 mA
100 nA 1
1 uA 10 uA
10 uA 100 uA
O nA uA
00 nA
uA
nput is fuse protected.
1 Vrms at 1 Arms input for frequencies < 20 KHz.
CREST FACTOR: > 3.5 to
at full-scale.