Fluke ScopeMeter 190B Series, ScopeMeter 190C Series User Manual

4822 872 00741
Nov. 2002, Rev.1 3/04

© 2002 , 2003 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.

Fluke 190B/C

Medical Functions

Users Manual Supplement

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 Medical Version ............................................................................................. 1-2

MA 190 Accessory Kit.................................................................................................... 1-2

2 Using the Medical Functions....................................................................................... 2-1

mAs Measurements ....................................................................................................... 2-1

mVs measurements ................................................................................................. 2-3

mWs measurements ................................................................................................. 2-3

Extended Offset ............................................................................................................. 2-4

Oscilloscopes and dynamic range............................................................................. 2-5

Triggering .................................................................................................................. 2-6

Tip for video signal measurements............................................................................ 2-6

Specifications ............................................................................................................ 2-6

Smart Average ............................................................................................................... 2-7

Smart average vs. normal average ........................................................................... 2-8

Non Interlaced Video Triggering..................................................................................... 2-9

Chapter 1

General

About this Manual

This manual supplement is an addition to the Users
Manual that is included with the ScopeMeter 190B/C
series test tool kit.
It provides user information about the extended test tool
functionality that is available in the Fluke190B/C /M
versions.

Safety Information

Read and comply with the safety instructions that you find
in the ScopeMeter 190B/C series Getting Started Manual
and Users Manual.

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 190B/C Users Manual that
is included in the test tool kit shipment (on CD).

1-1

Fluke 190B/C Medical

ST8723

User Manual

About the Medical Version

The /M Medical version is a standard Fluke 190B/C Series
ScopeMeter test tool with the following additional
functionality:

• mAs measurements

• non interlaced video triggering

• smart averaging

• extended offset

MA 190 Accessory Kit

The MA 190 is an optional accessory kit that provides
optimal connectivity to the ScopeMeter test tool in medical
and video applications.

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

CS 190-1R, the TR 190-50R, and the

The
TA 190-50R are not available as individual
accessory, but only as part of the MA 190 kit.

VIDEO
SIGNAL
SOURCE

50 BNC CABLE

Ω

TR190-50R

or

TA190-50R

Figure 1-1. 50 Ohm cable termination using the

TR190-50R or TA190-50R

1-2