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B.15.4 Active, differential voltage probe
G909: Active, Differential Voltage Probe (Option, to be ordered separately)
To be used with differential isolated or non
-
isolated amplifiers
Uin
10V
Coax cable
Power
External DC supply
(+)
(-)
GND
Single-ended amplifier
Active probe
900K
100K
(+)
(+)
(-)
GND
(+)
(-)
!
POWER
DIFF
ERENTIA
L PROBE
Figure B.101: Block diagram active, differential voltage probe
Isolation Not supported
Capacitive compensation range Not required as this is an active output
DC In
-
accuracy
2%
Probe impedance 4 MΩ for each input
-
3 dB Bandwidth 25 MHz
Rise time 14 ns
CMRR (typical)
-
80 dB @ 50 Hz,
-
60 dB @ 20 kHz
Output voltage
±
7 V (50 kΩ load)
Output typical offset
<
±
5 mV
Output typical noise 0.7 mV RMS
Output source impedance 50 Ω
Divide factor 20:1 200:1
Maximum measuring voltage 140 V RMS CAT III 1000 V RMS CAT III
Common mode voltage 1000 V RMS 1000 V RMS
Maximum voltage on each input
(Common mode + measurement voltage)
1000 V RMS 1000 V RMS
Probe power 4 * AA cell battery or external power
External power source Regulated voltage between 4.4 V DC and 12 V DC
Power usage 60 mA @ 6 V DC
40 mA @ 9 V DC
Probe cable length Input leads 0.45 m (1.48 ft)
BNC output cable 0.95 m (3.12 ft)
Probe weight Typically 265 g (3.6 oz)
Probe operating temperature range
-
10 °C to +40 °C (14 °F to 104 °F)
Original manufacturers part number
Probe Master Inc™, 4231
-
20X/200X
Figure B.102: G909 Probe
GEN3i
800 I3763-3.1 en HBM: public