Philips PM2517E - RF Probe PM

13
2.2-4. RF
probe
PM
9213
(Fig.6)
a447
09e 13001
TYFICAL
FREOUENCY-RESPONSE CURVE
+3
da
+2
+1
o
-1
-2
da
-3
+3
da
+2
+1
o
-'l
-2
da
-3
10 kXr
2.2.5.
1OO
kHr
lMXr IOMHr l0OMHr
1O mV
-
15
Vrmr
10 kH!
-
25O MH.
V-
tn.r 30
v|"n!
v= mer 35O
V
EHT
probe
type
PM
9246
{
Fig. 7)
The
EHT
probe
Plvl
9246
is
su'table
for measuring
d.c. voltages
up to 30
kv. The
PM
9246
can be
used
for
measuring
instrumenrs
having an input
impedance of 100
lVlQ, l0 MQ or
1.2 l\4Q
(selectable
on the
probe).
Maximum voltage
Attenuation
Input
impedance
Atcuracy
Relative hLrm idity
30
kv
1000x
600
tvro
1
57o
20vo to 80yo
2.2.6.
Note: Check that earth
connections are made
correctly.
Current trans{ormer type
PM 9245
(Fig.8}
With this
transformer it is
possible
to
measure alternating
currents
over 10 A up to
100
A
1000x
(100
A
=
100
mA)
45 Hz to
'l
kHz
Transfer
factor
Transfer erro r
Frequency range
Max.
permissible
secundary
voltage
loss 200 mV
lvlax.
voltage with respect to earth 400
V
a.c.
Betore
measuring, connect the current transformer to
the instrument.
Avoid contamination
of
the
core
parts.
2.2.7. Shunt
type
(Fig.9)
'10
A and 31.6
A
'100
mV and 31.6
mV
'l00mV
:
11%
31.6mV :
t2%
max.3.16 W
Height
55 mm
width
140 mm
Depth
65
mm
With
this shunt it is
possible
to measure direct-
and alternating
currents
(max.
1 kHz) up to
3'1.6
A.
Current range
Output voltage
Accuracy
D issipation
Dimensions
68O
pF