Fluke ScopeMeter 192 Guida alla configurazione
Table of Contents
Chapter Title Page
1 General.................................................................................................................... 1-1
About this Manual..................................................................................................... 1-1
Safety Information..................................................................................................... 1-1
Limited Warranty, Limitation of Liability..................................................................... 1-1
About the MS 190..................................................................................................... 1-2
Factory Installed MS 190........................................................................................... 1-2
MS 190 Package for Field Installation........................................................................ 1-2
MA 190 Accessory Kit............................................................................................... 1-4
2 Using the MS190 Function...................................................................................... 2-1
mAs Measurements.................................................................................................. 2-1
Extended Offset........................................................................................................ 2-3
Persistence .............................................................................................................. 2-6
Smart Average.......................................................................................................... 2-7
Non Interlaced Video Triggering................................................................................ 2-10
Variable Input Sensitivity........................................................................................... 2-11
1-1
Chapter 1
General
About this Manual
This manual supplement is an addition to the Users
Manual that is included with the ScopeMeter 192/196/199
test tool kit.
It provides user information about the extended test tool
functionality that becomes available after installation of the
MS 190 software.
Safety Information
Read and comply with the safety instructions that you find
in the ScopeMeter 192/196/199 Users Manual that is
included in the test tool kit shipment.
The MA 190 kit accessories are intended for low voltage
(42 Vpk) use only, and do not comply with the voltage
rating on most other ScopeMeter accessories. Carefully
read the warning below which is an explicit addition to the
general accessory and ScopeMeter safety statements.
Warning
To avoid electrical shock or fire, do NOT
connect the following accessories to voltages
more than 42 Vpk (30 Vrms) or circuits of
more than 4800 VA :
•CS 190-1R, 1 Ohm shunt resistor
•TR 190-50R, 50 Ohm terminator
•TA 190-50R, 50 Ohm terminator / 10:1
attenuator
Limited Warranty, Limitation of Liability
Read the Warranty and Limitation of Liability statements
that you find in the ScopeMeter 192/196/199 Users
Manual that is included in the test tool kit shipment. These
statements also apply to the MS190 and MA190 kits.
Fluke 192/196/199
User Manual
1-2
About the MS 190
The MS 190 software expands the Fluke 190 ScopeMeter
software functionality with mAs measurements, non
interlaced video triggering, smart averaging, adjustable
persistence, variable oscilloscope input sensitivity, and
extended offset. To exploit the full potential of the MS 190
software the MA 190 accessory kit is available.
The MS 190 is either factory installed for specific products,
or can be field installed in the full series of the 190 series
products.
Factory Installed MS 190
If the MS190 has been factory installed, the type plate
shows the text “MS 190 Installed”, as shown in the figure
below.
The contents of the shipment includes:
•the ScopeMeter Test Tool kit provided with the MS 190
software extension. For the contents of this shipment
see the Unpacking instructions in the ScopeMeter
192/196/199 Users Manual.
•User Manual Supplement MS 190 (this booklet)
•The MA 190 Accessory kit.
MS 190 Package for Field Installation
The MS 190 software kit enables a Fluke 192/196/199
ScopeMeter Test Tool to be upgraded with the MS190
software functionality.
The MS 190 package includes:
•CD-ROM to install the MS 190
•User Manual Supplement MS 190 (this booklet)
•Sealed envelope containing registration code and
installation instructions
FLUKE made in Holland
9444 901 99011
No DM88888888
MS 190 Installed
General
MS 190 Package for Field Installation 1
1-3
IMPORTANT NOTES (field installation only)
For Servicing it is very important that you attached the
registration code sticker on the back of your instrument.
For later reference write your Registration Code (RC .....,
included in the sealed envelope), User Code (UC....
received after registration on the internet), and
ScopeMeter serial number (DM....... on the back of your
instrument) in the boxes below.
Instructions for field installation
The Registration document included in the sealed
envelope provides detailed installation instructions. Prior
to installation you must register at our internet site
www.Fluke.com/ScopeMeter.
Requirements:
•Fluke 192/196/199 ScopeMeter with software version
V03.00 or higher.
Note
Earlier versions of hardware and software can be
upgraded by Fluke authorized service centers.
The service center will ask a fee and will ask you
for the registration number of your MS190 kit.
The upgrade includes a full calibration. Ask your
service center for a quote.
•PC with Windows 95/98 or NT4.0, CD-ROM drive,
RS232 serial port, and Internet access
•Optically insulated serial cable PM9080/001 as included
with S versions ScopeMeter. It is also available as
separate accessory.
RC UC DM
FLUKE MS 190 software extension
Serial Nr.: SN22222222
Reg.code : RC141414141
Fluke 192/196/199
User Manual
1-4
MA 190 Accessory Kit
The MA 190 is an optional accessory kit that provides
optimal connectivity in medical and video applications.
Optimal user convenience and application coverage is
obtained when the kit is used with a Fluke 192/196/199
that has the MS 190 installed.
Before use carefully read the WARNING on page 1-1.
The kit contains:
•TR 190-50R, 50 Ohm BNC feed-through terminator for
video and HF measurements (Max. 5 V) . See Fig. 1-1.
•TA 190-50R, 50 Ohm 10:1 attenuator feed-through
terminator for additional dynamic range and offset. See
Fig. 1-1.
•CS 190-1R, 1 Ohm current shunt for sensitive current
and mAs measurements. (Max. 500 mA). See Fig. 2-1.
•Safety designed 50 Ohm BNC cable with isolated plastic
connectors. (1.5 m)
•Female BNC to male 4 mm banana plug adapter
•Two female to female 4 mm banana plug adapters
Note 1
TheCS 190-1R, the TR 190-50R, and the
TA 190-50R are not available as individual
accessory, but only as part of the MA 190 kit.
Note 2
The mAs and extended offset functionality are
available only when the MS 190 software is
installed.
ST8723
TR190-50R
or
TA190-50R
50 BNC CABLE
Ω
VIDEO
SIGNAL
SOURCE
Figure 1-1. 50 Ohm cable termination using the
TR190-50R or TA190-50R
2-1
Chapter 2
Using the MS190 Function
mAs Measurements
The MS190 allows you to make mAs (milliampere x
seconds) cursors measurements. You can do this on live
waveforms, frozen waveforms (HOLD), recorded
waveforms, and on saved waveforms.
To perform mAs measurements, do the following:
1Connect the current shunt CS190-1R to input A
using the BNC cable (see Figure 2-1)
2Connect the current shunt resistor CS 190-1R to
the current source using the BNC to banana
adapter (see Figure 2-1)
ST8722
CS190-1R
RED
BLACK
50 BNC CABLE
Ω
I in
I out
Figure 2-1. mAs measurement
Fluke 192/196/199
User Manual
2-2
3Display the INPUT B key labels.
4Press to highlight OFF. Observe
that Input B is turned off.
Only in single channel mode key F3 allows the
T 1/T mAs selection.
5Display the INPUT A key labels.
6Open the Probe on A menu.
7Select Current with the arrow
keys, then press ENTER to jump to
Sensitivity.
8Select for example 1 V/A with the
arrow keys, then accept.
9Display the cursor key labels.
When Voltage is selected in the Probe on A menu, the
F3 label shows mVs (not mAs)
10 Press to highlight . Observe
that two vertical cursors are
displayed.
11 Press to highlight mAs.
Figure 2-2. mAs measurement screen
Using the MS190 Function 2
2-3
The screen shows :
•Top left reading, A(mA, µA, etc.):
the difference between the current amplitude measured
on the left cursor and measured on the right cursor:
•Top right reading, mAs (As, µAs, etc.):
the integrated current over the time between the
cursors.
12 Highlight the left cursor.
13 Move the left cursor to the
desired position on the waveform.
14 Highlight the right cursor.
15 Move the right cursor to the
desired position on the waveform.
Extended Offset
The MS190 extended offset function enlarges the vertical
trace positioning range for input A and input B to 16
divisions (maximum). This allows you to zoom-in vertically
to study small details of the signal.
To choose the extended offset range for input A do the
following:
1Display the INPUT A key labels.
2Open the INPUT A menu
3(2x) Jump to Offset range.
4Select Extended and accept the
extended offset range
Fluke 192/196/199
User Manual
2-4
To move the trace:
1Move the trace up or down until
the ground marker hits the top -
or bottom grid line.
When moving down, the following banner will show up:
Figure 2-3. Extended offset banner
When moving up a similar banner shows up.
Oscilloscopes and dynamic range
To prevent waveforms from being distorted, in particular
signals with large very steep edges, the signal should stay
within the dynamic range, just as with any Oscilloscope.
The dynamic range limits are the same as the trace offset
limits given in the section Specifications below.
In practice you must take care when using high time base
speeds when looking at signals that have large very steep
edges. They can be distorted when they jump from
outside the dynamic range directly to the visible area of
the screen.
Figure 2-4 shows a pulse wave within the dynamic range
(left), and a pulse wave that is partially outside the
dynamic range (right). The example, particularly the
16 div trace offset, applies to one of the 4 most sensitive
ranges.
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