Brymen BM839 User Manual page 17

Add 20d @ reading >80% of range
2)
Unspecified for readings < 5% of range
3)
Signal peak absolute values, including DC bias, less than 1100mV
4)
40Hz ~ 500Hz only for model 836
5)
AC Voltage (20000-count mode)
RANGE
50Hz ~ 60Hz
199.99mV , 1.9999V, 19.999V, 199.99V, 1000.0V
3)
40Hz ~ 1kHz
199.99mV , 1.9999V, 19.999V, 199.99V
3)
1000.0V
4)
1kHz ~ 5kHz
199.99mV , 1.9999V, 19.999V, 199.99V
3)
1000.0V
5kHz ~ 20kHz
2)
199.99mV , 1.9999V, 19.999V, 199.99V
3)
1000.0V
Input impedance: 10M, 110pF nominal
Add 1% @ bandwidth >4kHz ~ 5kHz
1)
Unspecified for readings < 5% of range
2)
Signal peak absolute values, including DC bias, less than 1100mV
3)
40Hz ~ 500Hz only for model 836
4)
VFD AC Voltage
RANGE
10Hz ~ 45Hz
600.0V, 1000V
45Hz ~ 200Hz
600.0V, 1000V
200Hz ~ 440Hz
600.0V, 1000V
Input impedance: 10M, 110pF nominal
Unspecified for fundamental frequency > 440Hz
1)
Accuracy linearly decreases from 2.5% + 5d @200Hz to 9.0% + 5d @440Hz
2)
peak
Accuracy
Model 839 Model 836
0.7% + 30d 0.5% + 30d
1 % + 30d
2 % + 30d
1.8% + 40d 2% + 40d
Unspecified
2% + 40d Unspecified
Unspecified
peak
Accuracy
1)
4% + 5d
2.5% + 5d
9% + 5d
2)
16
1)