Netech LKG 610 Manuale utente
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Dear User,
We appreciate your purchase of the LKG 610
Electrical Safety Analyzer. Properly used, the
LKG 610 will deliver years of high performance
and accuracy.
This instruction manual has been designed as
a tool to assist you in getting the most from your
LKG 610. In order to properly use and to maintain
this instrument, please read the manual carefully.
Netech is recognized as an innovative designer and
manufacturer of advanced biomedical and industrial
test instruments. We are ISO 9001-2000 registered
and fully committed to a continual improvement
process. Further, we guarantee absolute satisfaction
with our products.
Your business is important to us and we are dedicated
to providing you with the best customer and technical
service possible. Please contact us should you have
any questions or concerns regarding your instrument.
We hope you will consider us again when you have a
requirement for accurate, reliable, affordable test
instruments.
Sincerely,
NETECH CORPORATION
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Copyright
Copyright © 2003 by Netech Corporation. All rights
reserved. No part of this publication may be reproduced
or transmitted in any form other than for the purchaser’s
personal use without written permission from Netech
Corporation.
Quality Assurance
Netech Corporation is ISO 9001-2000 registered. This
instrument was thoroughly tested and inspected
according to Netech’s ISO 9001-2000 quality standards
(ISO/IEC 17025) and test procedures, and was found to
meet those specifications when it was shipped from the
factory.
Warranty
Netech warranties the LKG 610 against defects in
materials and workmanship for one year from the date of
original purchase. The standard warranty is extended
for a second year if the instrument is returned to
Netech for its recommended yearly re-calibration.
During the warranty period, we will repair or, at our
option, replace at no charge a product that proves to be
defective, provided you return the product shipping
prepaid to Netech Corporation. This warranty does not
apply if the product has been damaged by accident or
misuse, or as the result of service or modification by
other than Netech Corporation, or if its serial number is
defaced or removed.
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Netech reserves the right to discontinue the LKG 610 at
any time, and change its specifications, price, or design
without notice and without incurring any obligation.
Netech guarantees availability of service parts for 5
ars after the manufacture of the unit is discontinued.
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The warranty is void if you elect to have the unit serviced
and / or calibrated by someone other than Netech.
The purchaser assumes all liability for any damages or
bodily injury that may result from the use or misuse of
the unit by the purchaser, his employees, agents or
customers.
In no event shall Netech Corporation be liable for
onsequential damages
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Trademarks
Netech and LKG 610 are trademarks of Netech
Corporation. Any other trademark names used in this
manual are only for editorial purposes and the benefit of
the respective trademark owner, with no intention of
improperly using that trademark.
Safety Considerations
General
Before using the LKG 610 read the instruction manual
and become familiar with all of the functions and
controls.
Safety Symbols
WARNING
The “WARNING”sign denotes a hazard. It calls
attention to a procedure, practice or the like, which, if not
correctly performed or adhered to, could result in
personal injury. Do not proceed beyond a “WARNING”
sign until the indicated conditions are fully understood
and met.
CAUTION
The “CAUTION”sign denotes a hazard. It calls attention
to a procedure, practice or the like, which, if not correctly
performed or adhered to, could result in damage to or
destruction of part or all of the instrument. Do not
proceed beyond a “CAUTION”sign until the indicated
conditions are fully understood and met.
!
The symbol to the left is the operator’s manual
symbol. When you see this symbol on the
instrument, refer to the operator’s manual.
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TABLE OF CONTENTS
General Description 7
Controls and Indicators 9
Preparation for use 11
Operating Instructions 12
Performance Check 16
Maintenance 17
Theory of Operation 18
Specifications 20
Appendix 22
Instructions for Return 23
LIST OF FIGURES
Figure 1 Front View LKG 610 8
Figure 2 Block Diagram,
Cord Resistance and Case
Leakage Measurements 13
Figure 3 Functional Block Diagram 18
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GENERAL DESCRIPTION
The LKG 610 is a compact Electrical Safety
Analyzer designed to evaluate the electrical
safety of all electrical equipment including medical
devices and physiological Instrumentation.
The LKG 610 measures line voltage, outlet
polarity, device current, earth leakage, chassis
resistance, leads leakage, case leakage, and
performs lead ISO tests and point to point
measurements.
Each measurement is quickly and easily
performed when its function key is pressed. The
function selected and the unit of measure is
indicated by an individual LED. Either the AAMI
ESI -1993 or the IEC 601-1 test load may be
selected.
Resistance measurements are made using the
included model 503 single conductor test lead. A
unique feature of the LKG 610 is its ability to
verify the test readings with calibrated outputs of
200 µAmps and 1 Ohm.
The comprehensive LKG 610 provides the best
combination of features, performance, and value
in a portable electrical safety analyzer.
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1
4
3
14
13
12 6
7
11
10 8
9
15
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Figure 1
Front view of the LKG 610
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CONTROLS AND INDICATORS
1. ECG CONNECTORS: Universal connectors to
connect ECG snaps or various sized posts.
2. DISPLAY: A 3.5 digit LCD presents the result
of the selected test measurement.
3. LOAD SELECTOR SWITCH: Slide switch
selects the AAMI or the IEC 601-1 test load.
4. TEST JACKS: Calibrated outputs are
provided for resistance (1 Ohm) and leakage
current (200 µA).
5. CHASSIS INPUT: Connection for the 503 test
cable.
6. GROUND SWITCH: Momentarily opens the
ground connection to the test receptacle.
7. POLARITY SWITCH: Three-position switch
selects Normal and Reverse polarity of the
test receptacle and turns power Off.
8. NEUTRAL SWITCH: Momentarily opens the
neutral line to the test receptacle.
9. FUSE: 20 Ampere fuse for 110 VAC model,
10 Ampere fuse for 230 VAC model.
10.Serial Port: Optional RS 232 Serial Port.
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11.ZERO ADJUSTMENT: Recessed adjustment
to zero any test cable resistance variations.
12.TEST RECEPTACLE: 20 Amp hospital grade
receptacle for the Device Under Test.
13.POWER CORD: Power cord and hospital
grade plug.
14.KEY PAD: Twelve push button function keys
to select the test measurement.
15.LEDS: An LED in the corner of each function
key indicates the selected test mode and the
unit of measurement displayed.
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