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 readin g ) [ 4 ]
Frequency Resolution
61⁄2 51⁄2 41⁄2
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 0.0 7
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 ( typic al )
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 61⁄2 digit slow resolution ( 1 second gate time ).
Measurements are made using accepted metrology practices.
90 Day
23°C ± 5°C
Chapter 8 Specifications

220