Series III Multimeter
Specifications
5
Table 1. Specifications (cont.)
Function
Range
Resolution
Accuracy
Burden Voltage (Typical)
?
(45 Hz to 1 kHz)
4.000 mA
0.001 mA
±
(1.5 %+4)
11 mV/mA
40.00 mA
0.01 mA
±
(1.5 %+2)
11 mV/mA
4 A
0.001 A
±
(1.5 %+4)
0.03 V/A
10.00 A*
0.01 A
±
(1.5 %+2)
0.03 V/A
A
4.000 mA
0.001 mA
±
(0.5 %+5)
11 mV/mA
40.00 mA
0.01 mA
±
(0.5 %+2)
11 mV/mA
4 A
0.001 A
±
(0.5 %+5)
0.03 V/A
10.00 A*
0.01 A
±
(0.5 %+2)
0.03 V/A
Frequency**
99.99
0.01 Hz
±
(0.01 %+1)
(1 Hz to 20 kHz)
999.9
0.1 Hz
±
(0.01 %+1)
Not Applicable
9.999 kHz
0.001 kHz
±
(0.01 %+1)
20.00 kHz
0.01 kHz
±
(0.01 %+1)
*
Overload, 20 A for 30 seconds
**
For rectangular waveforms 25 %
≤
duty cycle
≤
75 % . V ac
≤
1 kHz.
Frequency Counter Sensitivity and Trigger Level
Input Range*
Minimum Sensitivity (RMS Sine Wave)
500 Hz to 20 kHz
1.0 Hz to 500 Hz**
400 mV ac
Not Applicable
Not Applicable
4 V ac
0.3 V
0.7 V
40 V ac
3 V
7 V
400 V ac
30 V
70 V
1000 V ac
300 V
Not Applicable
*
Maximum input for specified accuracy = 10 x Range or 600 V.
**
Display rattle for sine waves below 500 Hz = 5 counts.
Function
Overload
Protection*
Input Impedance
(Nominal )
Common Mode
Rejection Ratio
(1 k
Ω
Unbalance)
Normal Mode
Rejection
L
1000 V dc
1000 V ac rms (sine)
>10 M
Ω
,
<100 pF
>120 dB at dc,
50 Hz, or 60 Hz
>60 dB at 50 Hz
or 60 Hz
m
L
1000 V dc
1000 V ac rms (sine)
10 M
Ω
,
<100 pF
>120 dB at dc,
50 Hz, or 60 Hz
>60 dB at 50 Hz
or 60 Hz
K
1000 V dc
1000 V ac rms (sine)
>10 M
Ω
,
<100 pF
>60 dB, dc to
60 Hz
(ac-coupled)
e
Open Circuit
Test Voltage
Full Scale Voltage
Short Circuit Current
<4.0 M
Ω
<40 M
Ω
1000 V dc,
1000 V rms (sine)
<1.3 V dc
<450 mV dc
<1.3 V dc
<250
µ
A
G
1000 V dc,
1000 V rms (sine)
<3.1 V dc
2.45 V dc
600
µ
A typical
*10
7
V-Hz max.