Brymen BM521s, Руководство пользователя

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20
DC Voltage
Function RANGE Accuracy
60.00mV 0.12%+2d mV
600.0mV 0.06%+2d
V 9.999V, 99.99V,
999.9V
0.08%+2d
Input Impedance: 10M

, 50pF nominal
(80pF nominal for 600mV range)
AC Voltage
Function RANGE Accuracy
50Hz ~ 60Hz
mV 60.00mV, 600.0mV
V 9.999V, 99.99V,
999.9V 0.5% + 3d
40Hz ~ 500Hz
mV 60.00mV, 600.0mV 0.8% + 4d
9.999V, 99.99V
1.0%+4d V
999.9V 2.0%+4d
500Hz ~ 1kHz
mV 60.00mV, 600.0mV 2.0% + 3d
9.999V, 99.99V
1.0%+4d V
999.9V 2.0%+4d
1kHz ~ 3kHz
mV 60.00mV, 600.0mV 2.0%+3d
V 9.999V, 99.99V,
999.9V
3.0%+4d
3kHz ~ 20kHz
mV 60.00mV 1) ,
600.0mV 1)
2%+3d
9.999V 2) , 99.99V 3dB V
999.9V Unspec’d
1)
Specificied from 30% to 100% of range.
2) for 3kHz ~ 15kHz only
Input Impedance: 10M  , 50pF nominal
(80pF nominal for mV ranges)
dBm
At 600

, -11.76dBm to 54.25dBm,
Accuracy:

0.25dB + 2d (@40Hz -- 20kHz)
Input Impedance: 10M

, 50pF nominal
Selectable reference impedance of 4, 8,
16, 32, 50, 75, 93, 110, 125, 135, 150, 200,
250, 300, 500, 600, 800, 900, 1000, 1200

AutoCheck
TM
(DCV)
RANGE Accuracy
9.999V, 99.99V, 999.9V 0.5%+3d
Lo-Z DCV Threshold:
> +1.5VDC or < -1.0VDC nominal
Lo-Z DCV Input Impedance:
Initially approx. 3.0k  , 165pF 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:
18k  @100V
125k

@ 300V
320k

@ 600V
500k

@ 1000V
DC
AC
& AC+DC
AC
Voltage
1)
Function RANGE Accuracy
DC, 50Hz ~ 60Hz
mV 60.00mV, 600.0mV
V 9.999V, 99.99V,
999.9V 0.7% + 6d
40Hz ~ 1kHz
mV 60.00mV, 600.0mV 1.0%+6d
V 9.999V, 99.99V,
999.9V
2.2%+6d
1kHz ~ 20kHz
mV 60.00mV 2) ,
600.0mV 2)
2.2%+6d
9.999V 3) , 99.99V 3dB V
999.9V Unspec’d
1)
Specificied from 10% to 100% of range for
Model 821
2) Specificied from 30% to 100% of range.