Philips pm2521 - Page 152

4
Temperature
coefficient
Common
Mode
Rejection
Ratio
(CMRR)
AC detector
Crest
factor
Response
time
Relative
reference
setting
Maximum
input
voltages
2.1.9.
Counter
measurements
(Hz)
Ranges
Range
selection
Resolution
Number
of
representation
units
Accuracy
for
counter
measurements
Gate
time
Conversion
rate
Trigger
mode
Counter
sensitivity
0.02
dB/oc
Signals
Impedance
0 V-
1.8
V
20
MS2//60
pF
1.8
V-
18
V
1
1 M£2//85
pF
18
V-600
V
10
MW/95 pF
100
dB for
dc
signals
80
dB
ac
signals
50
Hz
or
60
Hz ±
1
%
RMS
convertor,
ac coupled
2 at range
end
3s
With
pushbutton
ZERO
SET
at the
front
of
the PM
2521
In all
ranges;
Between
Hi and
Lo
Between
Hi
and
earth
Between
Lo and
earth
Maximum
dc
voltage
Maximum
VHz
product
600 V rms
1000
V
rms
400 V
rms
400
V
10
^
kHz
10
100
MHz
1
10
Range
100 kHz,
1
MHz
and
10 MHz;
Manual
or
automatic
Range
10 kHz;
Manual
only
0.1
Hz
in
range
10
kHz
99999
Range
Accuracy
10 kHz
100 kHz
1 MHz
±
(0.005
% of
reading
+0.001
% of
range)
10 MHz
±
(0.01
% of
reading
+0.001
%
of
range)
Range
Gate
time
10
kHz
10
s
100 kHz
1
s
1 MHz
100 ms
10 MHz
10 ms
Range
Rate
10
kHz
1
conv./IO
s
100 kHz
1 MHz
10
MHz
1
conv./s
On
positive
going
crossings
of
the
+
trigger
level
On
negative
going
crossings
of
the
-
trigger
level
DCtolMHz
150
mV
peak
1 MHz
to
10 MHz
300
mV
peak
Resolution
1 mV
With
thumbwheel
at
the
front
of
the
PM
2521
Trigger
level
adjustment