HP 34401A, User Manual

Page: 219 / 236

Frequency and Period Characteristics
Frequency and Period Characteristics
Accuracy Specifications
±
( % of reading ) [ 1 ]
Function Range
[ 3 ]
Frequency
24 Hour
[ 2 ]
23°C
±
1°C
1 Year
23°C
±
5°C
Temperature
Coefficient/°C
0°C – 18°C
28°C – 55°C
Frequency,
Period [ 4 ] 100 mV
to
750 V 3 Hz – 5 Hz
5 Hz – 10 Hz
10 Hz – 40 Hz
40 Hz – 300 kHz 0.10
0.05
0.03
0.006 0.10
0.05
0.03
0.01 0.10
0.05
0.03
0.01 0.005
0.005
0.001
0.001
Additional Low-Frequency Errors ( % of reading )
[ 4 ]
Frequency
Resolution
6
1
⁄
2
5 1
⁄
2
4 1
⁄
2
0 0.12 0.12
0 0.17 0.17
0 0.2 0.2
0 0.06 0.21
0 0.03 0.21
0 0.01 0.07
0 0 0.02
3 Hz – 5 Hz
5 Hz – 10 Hz
10 Hz – 40 Hz
40 Hz – 100 Hz
100 Hz – 300 Hz
300 Hz – 1 kHz
> 1 kHz
Transfer Accuracy ( typical )
0.0005% of reading Conditions:
- Within 10 minutes and
±
0.5°C.
- Within
±
10% of initial value.
- Following a 2-hour warm-up.
- For inputs > 1 kHz and > 100 mV.
-
Using 6
1
⁄
2
digit slow resolution ( 1 second gate time ).
- Measurements are made using accepted metrology practices.
90 Day
23°C
±
5°C
Chapter 8 Specifications
220