BWD 881A Power Scope

BWD881A Powerscope IIA
Specifications:
VERTICAL AMPLIFIERS
CH 1, 2, 3 & 4 - differential amplifiers.
CH 5 - single ended amplifier.
CH1 x 2 multiplier.
Display: 1 to 4 traces from CH 1, 2, 3, 4, 5 or
1x2.
Mode: Alternate 0.5msec/div and above.
Chopped at 500kHz, 1msec/div and below.
Input: 1Mohm±2% and 7.5pF±1pf each side
to ground.
Calibration:
10 - 40°C 0 - 50°C
0.1V to 200V/div
±3%
±4%
20mV to 50mV/div ±5%
±6%
Delay Line:
120nsec delay line is
incorporated to display the triggered edge.
CH1-4 DIFFERENTIAL AMPLIFIERS
Sensitivity:
20mV to 200V/div direct
reading in 13 steps.
Bandwidth: (8 divisions ref. at 50kHz.)
DC or 5Hz to 30MHz -3dB 0.2 to 200V/div.
DC or 5Hz to 20MHz -3dB 20 to 100mV/div.
Rise Time: (6 divisions references)
12nsec
0.2V to 200V/div.
17nsec
20 - 100mV/div.
Max Input: ±1,000V or 660Vrms, 3kV peak
overload for 1 sec.
CH4 INPUT OFFSET
Multi-turn control providing the following
offset ranges:
20mV to 10V/div. >±200V
20V to 200V/div.
>±3,600V
Common Mode Rejection:
86dB to 1kHz
56dB at 1MHz
Max. Common Mode Input
350Vrms or ±500V,
20mV - 10V/div.
660Vram or ±1,000V 20V - 200V/div.
CH1 x 2 MULTIPLIER
Sensitivity: CH1 x 2 x 1/5, ie. 4 div on CH1
and 6 div on CH2 will produce a signal 24/5 =
4.8 divisions.
Bandwidth: DC or 10Hz to 12MHz, -3dB.
Accuracy: Better than 10% up to 5MHz with
AC signal applied to one channel and DC to
the other.
CH5/EXT. TRIGGER SINGLE SIDED
AMPLIFIER
(selected as alternative to CH4)
Sensitivity: 0.2V to 10V/div in 6 steps.
Accuracy: ±3%, 10 to 40°C
±4%, 0 to 50°C.
Bandwidth: DC or 5Hz to 50MHz, -3dB.
Rise Time: 7nsec.
Input:
1Mohm±2%, 7pF±2pF.
Max Input: ±1,000V (overload condition).
X-Y OPERATION
Single channel identical sensitivity X-Y
display. Bandwidth and calibration of Y
channel identical to vertical display. X
channel - DC to 1MHz, -3dB.
Calibration:
±5%
Phase Shift: less than 1° - DC to 200kHz.
TIME BASE
GENERAL DETAILS
Ranges: 0.2usec to 1 sec/div in 21 steps.
A vernier covers the range between steps
and extends the range to approx. 5 sec/div.
Magnification: x1, x10.
Max sweep speed 20nsec/div.
Calibration:
(measured over centre 8 divs).
10 to 40°C x1 mag
±3%
x10 mag ±5%
0 to 50°C x1 mag
±4%
x10 mag ±6%
1 sec/div range only - x1mag ±6%, x10mag
±8% over 0 to 50°C
CRT: 8 x 10 div (1 div = 1cm), 10kV EHT.
P31 aluminised phosphor, internal edge
illuminated graticule. Blue filter.
Probe Cal: Approx 1kHz rectangular wave,
positive going with respect to ground 10V pkpk, 1% accuracy.
Beam Find:
Push button returns trace
within CRT limits and overrides intensity
control.
Z Modulation: +5V with respect to ground will
blank trace at normal intensity. Bandwidth DC to greater than 10MHz. Input 10kohm.
Max input ±30V.
Front Panel Input Sockets: Special snap fit
shrouded high voltage. BWD A8 adapter
available to convert input to standard BNC.
Rear Panel Output Signals: Each individual
channel at 50mV/div ±5% is available from
BNC sockets with approx 500 ohms source
impedance.
Combined signals as displayed on the CRT at
approx 50mV/div is available from BNC
socket with approx 150 ohms source
impedance.
TRIGGERING
Source:
CH1, 2, 3, 4, 5, Line Frequency
or Phase Marker Pulse.
Coupling: DC or AC (5Hz, -3dB nom.)
LF Filter: Switch selection of a DC to
400Hz low pass filter for stable triggering
from very noisy low frequency waveforms.
Polarity: + or - with level select over 8 div
of CRT deflection.
Modes:Auto, normal or single sweep with
manual or triggered initiation. Ready lamp
indicates state of trigger under all conditions.
Sensitivity:
CH1 - 4 - 0.5 div or
greater, DC to 2MHz increasing to 3 div at
30MHz. CH5 - 0.5div or greater DC to
10MHz increasing to 3 div at 50MHz.
ENVIRONMENTAL
Temperature: Operating 0 to 50°C
Storage -55°C to +75°C.
Humidity: 95% RH non-condensing 0 to
40°C, 50% RH non-condensing from 0 to
50°C.
CH5 - AS EXT. TRIGGER
Sensitivity range extends from 100mV to
100V pk-pk with 1:1 probe and 1V to 1,000V
pk-pk with a 10:1 probe.
Trigger sensitivity as CH5 amplifier.
PHASE MARKER TRIGGER
The phase marker pulse can be selected to
trigger the time base. This enables the time
base speed to be expanded until the 1° wide
phase marker is 1 div wide to obtain high
resolution measurements of phase and pulse
jitter.
PHASE GENERATOR
Range: Selectable in 1° steps from 0 to 359°
by individual UP/DOWN buttons. Single
degree steps occur when a button is
momentarily depressed. Continuous counting
occurs at approx 20°/sec when either button
is held depressed.
Readout: 10mm LED display in degrees.
Frequency Range: 15Hz to 2kHz. Automatic
operation, response time less than 0.5
secretary for a 10% frequency change.
Phase Reference Source: CH1, 2, 3, 4 and
5 or zero cross over of input AC power
(within 1° at 50-60Hz).
0° Reference Selector: 0° reference and the
phase marker pulse switchable in 60° steps
from 0° to 300°.
0° Reference Control: Moves the zero
reference to any position on a displayed line
frequency waveform. 100usec to over
20msec delay.
Marker Pulse Jitter: Less than 1° from a
stable noise free source.
Phase Resolution: Less than 0.5° between
similar pulses in multi-phase circuits.
Noise Filter: 400Hz low pass for reference
signals with multiple zero crossing.
POWER
AC: 90 to 264Vrms, 45 to 440Hz, 40W max.
DC: 100 to 250V
IEC 6A power socket on rear panel.
DC: 20 to 32V (1.5A at 24V) using the
optional PS1 power supply adapter.
Battery: Optional BP6 battery pack - also
requires the optional PS1.
SAFETY
Instruments closely conforms to IEC348, UL
and VDE. The entire operating section
controls, panel etc are insulated and the front
panel sockets are deeply recessed to prevent
contact with grounded metal surfaces.
ACCESSORIES INCLUDED
2 off
2 off
1 off
1 off
BWD P90 1:1 probes
BWD P91 10:1 probes
BWD P95 10:1/1:1 probe
Instruction and Application Manual
WEIGHT
Nett:
Shipping:
PS1:
BP6:
9.4kg
12kg, for options add:
0.5kg
7.5kg
DIMENSIONS
Instrument Face: 355 (w) x 180 (h)
Overall:
395 (w) x 270 (h) x 470 (d)
Shipping Carton: 440 (w) x 340 (h) x 530 (d)
Specifications subject to change without notice
58 Geddes Street, PO Box 298, Mulgrave
Victoria, 3170, AUSTRALIA
Tel: (+61-3) 9582-7333, Fax: (+61-3) 9560-1164
E-mail: [email protected], Internet: www.mcvan.com
BWD881A Powerscope IIA
Probes &
Accessories:
P90R and P90B 1:1 Probes
Non-attenuating probe primarily intended for use in pairs for differential measurement
of low level signals superimposed on high voltages whilst retaining the common
mode rejection of the Powerscope amplifiers.
Bandwidth:
Up to 25MHz.
Rise Time:
From 14nsec.
Input Resistance: 1Mohm of Powerscope input.
Input Capacitance: Approx 100pF with twisted input leads.
Input Voltage:
Max 1,000Vdc/660Vrms, 3kV peak for 1 second max.
Input Protection:
Inbuilt fuse 1,000V/100mA
Cable Length:
2 metres (approx 6.5ft)
Cable Colour:
Black (P90B) or Red (P90R)
Probe Connection: Detachable grabber opening to 10mm and shrouded 4mm plug.
P91 10:1 Probes
A 10:1 attenuating probe for use with large amplitude signals. Probes may be used in
pairs for high level differential measurement. Each probe is adjustable to match CMR
response.
Bandwidth:
40MHz., -3dB
Rise Time:
Less than 9nsec.
Input Resistance: 5Mohm (with Powerscope)
Input Capacitance: Approx 13pF.
Compensation:
Adjustable for resistance and capacitance.
Input Voltage:
Max 2,000Vdc/1.5kVrms, 3kV peak for 1 second max.
Cable Length:
2 metres (approx 6.5ft)
Probe Connection: Detachable grabber opening to 10mm and shrouded 4mm plug.
P95 and P86 Miniature Probes.
The P95 is a switchable 1:1 and 10:1 probe and the P86 a fixed
100:1 attenuating probe. These passive probes are of modular
construction which facilitates simple field replacement of the
consumable parts. Both are supplied with 1.5metres (approx 5ft) of
cable.
P95 (x1) P95 (x10) P86 (x100)
Bandwidth:
8MHz
100MHz 100MHz
Input Resistance:
1Mohm 10Mohm 100Mohm
Input Capacitance:
47pF
15pF
6.5pF
Max Input Voltage:
360V
360V
1,200V
Rise Time:
45nsec 3.5nsec
1.4nsec
Compensation Range:
10-60pF 10-60pF 5-50pF
Current Probes
Truly portable clamp-round probes that you measure dc, ac and ac on dc
currents. Ideal for power measurements when using the CH1x2 multiplier
with the current probe connected to CH1 and the voltage waveform to
CH2.
P30
P82
Measurement Range:
±20A
20/200A (2 ranges)
Accuracy:
±1%±2mA
2% of output
Output:
100mV/A
±2V = 20A/200A
Frequency Response:
DC to 100kHz
DC to >1kHz
Output Impedance:
100 ohms nominal 125 ohms nominal.
P87 High Voltage Probe
A 1,000:1 attenuating probe for use with large amplitude signals.
Features include very high input impedance, wide bandwidth and HF
compensation.
Bandwidth:
DC to 5MHz
Input Resistance:
500Mohm
Input Capacitance:
3pF
Working Voltage:
12.5kV or peak AC.
Other Accessories include:
A8
BNC to Powerscope socket adapter.
PS1
Power Supply Adapter for operation from 20 - 32Vdc.
BP6
Battery Pack (requires PS1).
PS1 - 20-32Vdc Power
Supply Converter
BP6- 24V Battery Pack
with inbuilt charger
58 Geddes Street, PO Box 298, Mulgrave
Victoria, 3170, AUSTRALIA
Tel: (+61-3) 9582-7333, Fax: (+61-3) 9560-1164
E-mail: [email protected], Internet: www.mcvan.com
Specifications subject to change without notice
File: BWD881A Data Sheet Nov 01

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