Brymen BM785, Руководство пользователя

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23
readings; Crest (Instantaneous Peak hold) MAX & MIN readings; Relative Zero mode; Data
Hold; Backlighted LCD display; BeepJack
™ audible & visible input warning; %4-20mA loop
current readings ( Model 789 only); T1-T2 differential temperature readings ( Model 789 only);
dBm readings (Model 789 only)
ELECTRICAL SPECIFICATIONS
Accuracy is

(% reading number of digits) or otherwise specified, at 23

C

5

C &
less than 75% relative humidity.
Maximum Crest Factor <1.6:1 at full scale & < 3.2:1 at half scale, and with frequency
components fall within the specified frequency bandwidth for non-sinusoidal waveforms.
DC Voltage
Model 789 Models 786, 785
RANGE Accuracy
600.00mV, 6.0000V, 60.000V 0.03% + 2d 0.03% + 2d
600.00V 0.05% + 5d 0.05% + 5d
1000.0V 0.15% + 5d 0.15% + 5d
Input Impedance: 10M

, 75pF nominal (280pF nominal for 600mV range)
AC Voltage
Model 789
1)
Models 786, 785
RANGE Accuracy
50Hz ~ 60Hz
600.00mV, 6.0000V,
60.000V, 600.00V, 1000.0V
0.5% + 30d 0.5% + 30d
40Hz ~ 1kHz
600.00mV, 6.0000V,
60.000V, 600.00V, 1000.0V
0.9% + 30d 1.2%+30d
1kHz ~ 7kHz
600.00mV, 6.0000V,
60.000V, 600.00V
1.8% + 40d 2.0%+40d
1000.0V Unspec'd Unspec'd
7kHz ~ 20kHz
600.00mV, 6.0000V,
60.000V, 600.00V
2)
2.0%+60d
Unspec'd
1000.0V Unspec'd
20kHz ~ 100kHz
600.00mV
3)
, 6.0000V
3)
,
60.000V
3)
4.0%+60d Unspec'd