Brymen EEVblog BM235 User Manual page 21

VFD_ACV (with Low Pass Filter )
RANGE
(
10Hz ~ 100Hz
600.0V, 1000V
100Hz ~ 400Hz
600.0V, 1000V
1) Not specified for fundamental frequency > 400Hz
2) Accuracy linearly decreases from 1% + 3d @100Hz to 10% + 3d @400Hz
AutoV_ACV (Model 235 only)
RANGE
45Hz ~ 440Hz
600.0V, 1000V
1) Not specified at <1VAC
Threshold: > 1VAC nominal
Input Impedance:
Initially approx. 2.1k, 164pF nominal; Impedance increases abruptly within a
fraction of a second as display voltage is above 50V (typical). Ended up impedances
vs display voltages typically are:
12k @100V
100k @300V
240k @600V
580k @1000V
DC Voltage
RANGE
60.00mV, 600.0mV, 6.000V
60.00V
600.0V
1000V
Input Impedance: 10M, 54pF nominal
fundamental)
(
fundamental)
Accuracy 1)
1.0% + 3d
10% + 3d 2)
1)
Accuracy
2.0% + 3d
Accuracy
0.3% + 2d
0.4% + 2d
0.2% + 2d
0.4% + 2d
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