I-Tech IT-E190 Series User manual

Current Sensor
IT-E190 Series User’s Manual
Model: IT-E190-6A/IT-E190-15A/
IT-E190-25A/IT-E190-40A/
IT-E190-60A
Version: V1.0

Notices
© Itech Electronics, Co., Ltd. 2016
No part of this manual may be
reproduced in any form or by any means
(including electronic storage and
retrieval or translation into a foreign
language) without prior permission and
written consent from Itech Electronics,
Co., Ltd. as governed by international
copyright laws.
Manual Part Number
IT-E190-402230
Revision
1st Edition: June 22, 2015
Itech Electronics, Co., Ltd.
Trademarks
Pentium is U.S. registered trademarks
of Intel Corporation.
Microsoft, Visual Studio, Windows and
MS Windows are registered trademarks
of Microsoft Corporation in the United
States and/or other countries and
regions.
Warranty
The materials contained in this
document are provided “as is”, and
is subject to change, without prior
notice, in future editions. Further, to
the maximum extent permitted by
applicable laws, ITECH disclaims
all warrants, either express or
implied, with regard to this manual
and any information contained
herein, including but not limited to
the implied warranties of
merchantability and fitness for a
particular purpose. ITECH shall not
be held liable for errors or for
incidental or indirect damages in
connection with the furnishing, use
or application of this document or of
any information contained herein.
Should ITECH and the user enter
into a separate written agreement
with warranty terms covering the
materials in this document that
conflict with these terms, the
warranty terms in the separate
agreement shall prevail.
Technology Licenses
The hardware and/or software
described herein are furnished under a
license and may be used or copied only
in accordance with the terms of such
license.
Restricted Rights Legend
U.S. Government Restricted Rights.
Software and technical data rights
granted to the federal government
include only those rights customarily
provided to end user customers. ITECH
provides this customary commercial
license in software and technical
data pursuant to FAR 12.211
(Technical Data) and 12.212
(Computer Software) and, for the
Department of Defense, DFARS
252.227-7015 (Technical Data –
Commercial Items) and DFARS
227.7202-3 (Rights in Commercial
Computer Software or Computer
Software Documentation).
Safety Notices
A CAUTION sign denotes a
hazard. It calls attention to an
operating procedure or practice
that, if not correctly performed
or adhered to, could result in
damage to the product or loss of
important data. Do not proceed
beyond a CAUTION sign until
the indicated conditions are fully
understood and met.
A WARNING sign denotes a
hazard. It calls attention to an
operating procedure or practice
that, if not correctly performed
or adhered to, could result in
personal injury or death. Do not
proceed beyond a WARNING
sign until the indicated
conditions are fully understood
and met.
NOTE
A NOTE sign denotes important
hint. It calls attention to tips or
supplementary information that
is essential for users to refer to.

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 3
Content
ⅠAbout IT-E190 ........................................................ 4
ⅡDimension ............................................................ 4
ⅢIT-E190 Appearance Introduction ...................................... 5
(1). Introduction of front panel .................................... 5
(2). Introduction of rear panel ..................................... 5
ⅣIT-E190 Function Introduction ........................................ 6
(1). Introduction of Front Panel Terminals .......................... 6
(2). Connecting Current Sensor ...................................... 7

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 4
ⅠAbout IT-E190
IT-E190 Series current sensor is an optional accessory provided by ITECH,
which is mainly used for expanding the current measurement scope of ITS9500
power supply test system and IT9121 power meter. Features:
small size, large measurement scope
non-contact measurement
IT-E190 Series Model Selection Table:
Model
Conversion ratio (Current)
Conversion ratio (Voltage)
IT-E190-6A
1.0419mA/A
104.2mV/A
IT-E190-15A
0.416mA/A
41.67mV/A
IT-E190-25A
0.25mA/A
25mV/A
IT-E190-40A
0.125mA/A
12.5mV/A
IT-E190-60A
0.13333mA/A
13.333mV/A
ⅡDimension
IT-E190 Series dimension figure is as follows:

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 5
Unit: mm
ⅢIT-E190 Appearance Introduction
(1). Introduction of front panel
1. Input interface of power supply
2. DB9 terminal
(2). Introduction of rear panel
Diagram of rear panel (when terminal protection cover is removed) is shown
below:
①②
Terminal protection cover

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 6
1. Input terminal, for inputting current.
Pay attention to polarity during test. Reverse connection may cause
negative value.
ⅣIT-E190 Function Introduction
(1). Introduction of Front Panel Terminals
Input Interface of Power Supply
External power supply may be available if power meter is provided. Power
supply is individually supplied in package. Power supply specification is as
follows:
Input voltage: 220VAC;
Output voltage range: DC5V-DC9V;
Output current: 1.2A (MAX);
Output polarity: Internal + (Positive) External - (Negative).
DB9 Terminal
DB9 terminal is defined as follows:
Base pin number
Description
1
+12V
2
GND, grounding
3
-12V
①

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 7
4
Signal ground
5
Voltage signal output
6
No conjunction
7
Current signal output
8
No conjunction
9
No conjunction
If ITS9500 test system is used, terminals 1, 2 and 3 are power supply terminals,
which are used in system power supply; when a power meter is used, the
above terminals are not required for power supply.
(2). Connecting Current Sensor
Connecting ITS9500 Test System
1. When terminal protection cover at the IT-E190 rear panel is removed,
connect the input terminal to the test circuit in series.
2. Connect the IT-E190 DB9 terminals to the current measurement terminal at
the IT9501 front panel (I-Sense) through standard test lines.
Load
UUT
+
-
+
-
+
-

IT-E190 User’s Manual
Copyright © Itech Electronics Co., Ltd. 8
Connecting IT9121 Power Meter
1. To connect working power supply, insert the standard power line to the
power input terminal. Connection method as follows:
2. When terminal protection cover at the IT-E190 rear panel is removed,
connect the input terminal to the test circuit in series.
3. Connect the IT-E190 DB9 terminal to the external sensor input interface of
the power meter through DB9 extension.
NOTE
For interface instructions of the current sensor of power meter, refer to IT9121 Installation
Instructions.
Connecting Power Adapter
Load
Power
+
-
+
-
+
-

Contact US
Thank you for purchasing ITECH products.If you have any doubt about this product, please
contact us as follow.
1. Please refer to the CD-ROM of related user’s manual in package.
2. Click www.itechate.com or scan the right two-dimension code to
visit the ITECH website.
3. Send E-mail to [e-mail] or dial the service hot-line in China: 4006025000.
4. Select the most convenient contact method for further consultancy.
YOUR POWER TESTING SOLUTION