Keysight E1412A Digital Multimeter Service Guide
93
DC Characteristics
E1412A Multimeter Specifications
Operating Characteristics [8]
System Speeds
[10]
Function Change:
30/sec
Range Change:
65/sec
Autorange Time:
<30 ms
Max. Internal Trigger Rate:
1000/sec
Max. External Trigger Rate to Memory:
1000/sec
Additional Error with Autozero OFF
Following instrument warm-up at calibration temperature
1
C and <10 minutes:
100mV - 100V ranges: add (0.0002% range additional error +5
V). 300V range: add 0.0006%
range.
Settling Considerations
Reading settling times are affected by source impedance, cable dielectric characteristics and input
signal changes.
Measurement Considerations
Keysight recommends the use of PTFE
or other high-impedance, low-dielectric absorption wire
insulation for these measurements.
[5] For 1k
unbalance in LO lead.
[6] For power-line frequency
0.1%.
[7] For power-line frequency
1%, subtract 20dB; for
3%, subtract 30dB.
[8] Readings speeds for 60Hz and (50Hz) operation, Autozero OFF.
[9] For 300V and 3A ranges: use 0.003% range for 5.5 digits and 0.030% range for 4.5 digits;
For all ranges: add 20
V for DC volts, 4
A for DC current or 20m
for resistance.
[10] Speeds are for 0.02 PLC integration time, Delay 0 and Autozero OFF. Includes measurement and
data transfer over the VXI backplane.
Function
PLCs
Digits
Readings/sec
Additional Noise
Error
DCV, DCI and
Resistance
100
6.5
0.6 (0.5) [8]
0% of range
10
6.5
6 (5) [8]
0% of range
1
5.5
60 (50) [8]
0.001% of range [9]
0.2
5.5
300
0.001% of range [9]
0.02
4.5
1000
0.01% of range [9]
Summary of Contents for E1412A
Page 1: ...Keysight E1412A 6 1 2 Digit Multimeter Service Manual 75000 Series C ...
Page 2: ......
Page 6: ...vi ...
Page 12: ...xii Keysight E1412A 6 1 2 Digit Multimeter Service Guide ...
Page 74: ...68 Keysight E1412A 6 1 2 Digit Multimeter Service Guide Adjustments CALibration ...
Page 80: ...74 E1412A 6 1 2 Digit Multimeter Service Guide Backdating ...
Page 118: ......