Vfd Ac Voltage; Dbm - Brymen BM867s User Manual

Input Impedance: 10M, 60pF nominal
(80pF nominal for 500mV range)
Residual reading less than 50 digits with test
leads shorted.
DC & AC+DC
AC AC
RANGE
Accuracy *
20Hz ~ 45Hz
500.00mV,
5.0000V, 1.5% + 40d
50.000V
500.00V,
Unspec'd
1000.0V
DC, 45Hz ~ 300Hz
500.00mV 0.45% + 40d
5.0000V,
0.7% + 80d
50.000V
500.00V,
0.7% + 40d
1000.0V
300Hz ~ 5kHz 300Hz ~ 1kHz
500.00mV 0.8% + 40d
5.0000V,
50.000V, 0.8% + 40d
500.00V
1000.0V 1.0% + 40d** 1.0%+40d
5kHz ~ 20kHz 1kHz ~ 20kHz
500.00mV 1.0%+40d
5.0000V,
1.5%+40d
50.000V
500.00V 1.5%+40d
1000.0V Unspec'd
20kHz ~ 40kHz
500.00mV 3.5%+40d
5.0000V,
4.0%+40d***
50.000V
500.00V
Unspec'd
1000.0V
*From 5% to 10% of range: Specified
accuracy + 80d
Voltage
869s 867s
Unspec'd
0.8%+60d
0.8%+40d
2.0%+60d
1dB***
2dB***
3dB***
Unspec'd
Unspec'd
**Specified bandwidth 300Hz ~ 1kHz
***From 5% to 10% of range: Specified
accuracy + 180d
From 10% to 15% of range: Specified
accuracy + 100d
Input Impedance: 10M, 60pF nominal
(80pF nominal for 500mV range)
Residual reading less than 50 digits with test
leads shorted.

VFD AC Voltage

RANGE
5Hz ~ 20Hz
5.0000V, 50.000V,
500.00V, 1000.0V
20Hz ~ 200Hz
5.0000V, 50.000V,
500.00V, 1000.0V
200Hz ~ 440Hz
5.0000V, 50.000V,
500.00V, 1000.0V
*Not specified for fundamental frequency >
440Hz
**Accuracy linearly decreases from 2% +
50d @ 200Hz to 6% + 80d @ 440Hz

dBm

Range and accuracy are subjected to
ACmV, ACV, and reference impedance
selected. Typical 600 reference
impedance ranges:
At ACmV : -29.83dBm to –03.80dBm
At ACV : -01.09dBm to 62.22dBm
Input Impedance: 10M, 60pF 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
(Model 869s only)
Accuracy*
3% + 80d
2% + 50d
6% + 80d**
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