IET Labs 1910 Guida alla risoluzione dei problemi
♦PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT ♦
Email: inf[email protected]
TEL: (516) 334-5959 • FAX: (516) 334-5988
www.ietlabs.com
IET LABS, INC.
Copyright © 2017 IET Labs, Inc.
Visit www.ietlabs.com for manual revision updates
1910 im/Oct 2017
1910
Inductance Analyzer
User and Service Manual
♦PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT ♦
Email: inf[email protected]
TEL: (516) 334-5959 • FAX: (516) 334-5988
www.ietlabs.com
IET LABS, INC.
WARRANTY
We warrant that this product is free from defects in material and workmanship and, when properly used,
will perform in accordance with applicable IET specifications. If within one year after original shipment,
it is found not to meet this standard, it will be repaired or, at the option of IET, replaced at no charge when
returned to IET. Changes in this product not approved by IET or application of voltages or currents greater
than those allowed by the specifications shall void this warranty. IET shall not be liable for any indirect,
special, or consequential damages, even if notice has been given to the possibility of such damages.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING BUT NOT LIMITED TO,ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR ANY PARTICULAR PURPOSE.
i
WARNING
OBSERVE ALL SAFETY RULES
WHEN WORKING WITH HIGH VOLTAGES OR LINE VOLTAGES.
Dangerous voltages may be present inside this instrument. Do not open the case
Refer servicing to qualified personnel
HIGH VOLTAGES MAY BE PRESENTAT THE TERMINALS OF THIS INSTRUMENT
WHENEVER HAZARDOUS VOLTAGES (> 45 V) ARE USED, TAKE ALL MEASURES TO
AVOID ACCIDENTAL CONTACT WITH ANY LIVE COMPONENTS.
USE MAXIMUM INSULATION AND MINIMIZE THE USE OF BARE
CONDUCTORS WHEN USING THIS INSTRUMENT.
Use extreme caution when working with bare conductors or bus bars.
WHEN WORKING WITH HIGH VOLTAGES, POST WARNING SIGNS AND
KEEP UNREQUIRED PERSONNEL SAFELYAWAY.
CAUTION
DO NOT APPLYANY VOLTAGES OR CURRENTS TO THE TERMINALS OF THIS
INSTRUMENT IN EXCESS OF THE MAXIMUM LIMITS INDICATED ON
THE FRONT PANEL OR THE OPERATING GUIDE LABEL.
ii
Contents
Warranty ............................................................................................................7
Specifications............................................................................................................9
Accessories ............................................................................................................11
Safety Precautions....................................................................................................15
Condensed Operating Instructions ........................................................................17
Installation and Power Up..............................................................................17
Selecting Test Conditions..............................................................................18
Zeroing...........................................................................................................24
Connection to Device Under Test..................................................................30
Initiating Tests ...............................................................................................30
Introduction - Section 1
1.1 Unpacking/Inspection....................................................................................33
1.2 Product Overview ..........................................................................................33
1.3 Front Panel Description.................................................................................34
1.4 Rear Panel Description ..................................................................................35
1.5 Installation .....................................................................................................36
1.5.1 Dimensions ........................................................................................36
1.5.2 Instrument Positioning.......................................................................36
1.5.3 Power Requirements..........................................................................36
1.5.4 Safety Inspection................................................................................38
Operation - Section 2
2.1 Terms and Conventions .................................................................................39
2.2 Power Up .......................................................................................................41
2.3 Program/Setup Procedure (Test 1–25)...........................................................41
2.3.1 Primary Parameter .............................................................................42
2.3.2 Secondary Parameter .........................................................................45
2.3.3 Frequency...........................................................................................46
2.3.4 Amplitude ..........................................................................................46
2.3.5 Bias Current.......................................................................................47
2.3.6 Range Select ......................................................................................48
2.3.7 Accuracy............................................................................................50
2.3.8 Delay .................................................................................................53
2.3.9 No. to Average ..................................................................................54
2.3.10 Primary Nominal ...............................................................................55
2.3.11 Bin Type ............................................................................................56
2.3.12 Secondary Nominal ...........................................................................59
Page 2 of 110
Contents (continued)
2.3.13 Load Correction.................................................................................60
2.3.14 Primary Load Correction...................................................................61
2.3.15 Secondary Load Correction...............................................................61
2.4 Program/Sequence (Test S1-S9)....................................................................62
2.5 Utility Functions............................................................................................64
2.5.1 Perform Calibration ...........................................................................65
2.5.2 Keypad Lockout.................................................................................69
2.5.3 Display Type......................................................................................72
2.5.4 Numeric Format.................................................................................73
2.5.5 Trigger Source ...................................................................................74
2.5.6 Source Impedance..............................................................................74
2.5.7 RS-232 Baud Rate..............................................................................75
2.5.8 IEEE488 Address ..............................................................................75
2.5.9 Clear All Tests ...................................................................................76
2.5.10 Leveling .............................................................................................76
2.5.11 Cable Comp. ......................................................................................77
2.5.12 Frequency Edit Type..........................................................................77
2.5.13 Median ...............................................................................................78
2.5.14 Distortion ...........................................................................................78
2.5.15 Serial Number....................................................................................79
2.5.16 Software Version ...............................................................................79
2.6 Error Messages ..............................................................................................79
Interface - Section 3
3.1 General...........................................................................................................81
3.2 Remote I/O.....................................................................................................81
3.3 RS-232 Interface............................................................................................83
3.4 IEEE-488.2 Interface .....................................................................................84
3.4.1 General...............................................................................................84
3.4.2 IEEE-488 Connections ......................................................................85
3.4.3 IEEE-488 & RS-232 Commands.......................................................86
3.4.4 Remote Calibration............................................................................92
3.4.5 Formats ..............................................................................................96
Page 3 of 110
Contents (continued)
Theory - Section 4
4.1 Introduction....................................................................................................99
4.1.1 Description of 1910 Inductance Analyzer.........................................99
4.1.2 Block Diagram...................................................................................101
4.2 Principle Functions........................................................................................103
4.2.1 Fundamental Measurement................................................................103
4.2.2 Sine Wave and Sampling Pulse Generator........................................104
4.2.3 Digitization ........................................................................................104
Maintenance - Section 5
5.1 General...........................................................................................................107
5.2 Instrument Return ..........................................................................................107
5.3 Calibration ....................................................................................................107
5.3.1 1910 Verification Procedure .............................................................107
5.3.2 1910 Verification Data Sheet ............................................................110
5.4 Diagnostics.....................................................................................................112
5.4.1 Start-up Diagnostics...........................................................................112
Page 4 of 110
Page 5 of 110
Warranty
IET Labs. warrants that Products are free from defects in material and workmanship and, when
properly used, will perform in accordance with IET Labs.'s applicable published specifications.
If within one (1) year after original shipment it is found not to meet this standard, it will be
repaired, or at the option of IET Labs., replaced at no charge when returned to a IET Labs.
service facility.
Changes in the Product not approved by IET Labs. shall void this warranty.
IET Labs. shall not be liable for any indirect, special or consequential damages, even if
notice has been given of the possibility of such damages.
This warranty is in lieu of all other warranties, expressed or implied, including, but not
limited to any implied warranty or merchantability or fitness for a particular purpose.
SERVICE POLICY
IET Labs. policy is to maintain product repair capability for a period of at least five (5) years
after original shipment and to make this capability available at the then prevailing schedule of
charges.
Page 6 of 110
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