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Sencore ReZolver LC103 User Manual

Sencore ReZolver LC103
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LC103
“ReZolver”™
Capacitor & Inductor Analyzer
Operation and Application Manual
3200 Sencore Drive, Sioux Falls, SD 57107
!
!
LC103
COMPONENT SETUP
COMPONENT TYPE
LEAD FUSE TEST LEAD LEAD ZERO
NUMERIC INPUT ENTER IN-CIRCUIT OUT-OF-CIRCUIT
COMPONENT PARAMETERS COMPONENT TESTS
COMPONENT TEST RESULTS
CAPACITOR & INDUCTOR ANALYZER
POWER
HOLD FOR
BATTERY
TEST
ALUMINUM
LYTICS
DOUBLE
LAYER
LYTICS
HIGH R
DOUBLE
LAYER
1 2 3 4 pF µF F
CAPACITOR
GOOD/BAD
INDUCTOR
GOOD/BAD
CAPACITOR
VALUE
CAPACITOR
ESR
CAPACITOR
LEAKAGE
INDUCTOR
RINGER
DIELECTRIC
ABSORPTION
INDUCTOR
VALUE
+ % - % V
µH mH H
5678
90
CLR
ALL
OTHER
CAPS
SWITCHING
TRANS-
FORMERS
TANTALUM
CAPS
CERAMIC
CAPS
YOKES &
FLYBACKS
COILS
1A, TT
2 AG, SLO BLO
0-1000 V
500 mA
REMOTE
OPEN
RANGES: 1pF to 20 F, 0.1 µH to 20 H Patent Nos. 4258315, 4267503, 4795966, 4825147, 5717338, Others Pending
WARNING: Flashing light indicates 25-1000V
applied to test leads when leakage button is pressed.
STOP TESTING: Protection circuit or fuse is open.
Capacitor being tested may be charged. Carefully
discharge capacitor and check fuse.
SHORT
F
U
S
E
F
U
S
E
A
lum
L
ytic
100
μ
F
+20% -20% 50
V
102.6
μ
F
0.89
Ω
GooD
PULL CHART

Table of Contents

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Sencore ReZolver LC103 Specifications

General IconGeneral
CategoryMeasuring Instruments
Display TypeLCD
Power SupplyAC Adapter or Battery
Dimensions10.5 x 7.5 x 3.5 inches
Accuracy0.1%
Measurement TypeL, C, R
DisplayLCD

Summary

Safety Precautions

Explanation of Symbols

Explains the meaning of various symbols used in the manual and on the equipment.

Description

Introduction to the LC103

Provides a general overview of capacitors and inductors in electronic systems and the LC103's role.

LC103 Features

Highlights the LC103 ReZolver's dynamic, portable, and automatic testing capabilities for capacitors and inductors.

Specifications

In-Circuit Tests

Details the dynamic in-circuit testing capabilities for capacitors and inductors, including ranges and accuracies.

Out-of-Circuit Capacitor Testing

Covers out-of-circuit capacitor testing for value, leakage, ESR, and dielectric absorption, with specific parameters.

Inductor Specifications

Details out-of-circuit inductor testing for value and quality using patented Ringer test, including ranges and accuracies.

Ringing Test

Describes the patented Ringer test for inductor quality by counting ringing cycles before damping.

Specifications Continued

General Specifications

Lists general specifications such as operating temperature, humidity, altitude, power, dimensions, weight, and indications.

Front Panel Controls

Rear Panel Features

RS-232 Serial Connector

Allows connection to a computer for automated operation via an RS-232 interface.

Power Adapter Jack

Connects to the power adapter for AC operation and battery charging.

Supplied Accessories

Adjustable In-Circuit Test Probe

Patent-pending probe with width adjustment wheel and test activation switch for in-circuit testing.

Optional Accessories

Rechargeable Battery (BY289)

A lead acid battery providing portable operation for the LC103 unit.

SCR/TRIAC Test Accessory (SCR260)

Extends LC103 test capabilities to test SCRs and TRAICS.

Operation

AC Power Operation

Details how to operate the LC103 using an AC power adapter for bench operation.

Battery Operation

Battery Test

Describes the built-in battery test feature that indicates the remaining battery charge.

Auto-Off Function

Explains the auto-off circuit that conserves battery charge by powering down the unit if idle.

Stop Testing Indications

Lead Fuse Information

Locates the 1 amp, Slo-Blo fuse on the front panel that protects the unit from overloads.

Fuse Replacement Procedure

Provides instructions on how to safely replace the test lead fuse with the correct type and rating.

Test Leads and Zeroing

Test Lead and Probe Zeroing

Details the procedure for zeroing test leads and probes to compensate for impedance before testing.

Entering Component Data

In-Circuit Capacitor Testing

Value and ESR Testing

Explains how to perform basic in-circuit capacitor tests for value and ESR.

Automatic EIA GOOD/BAD Testing

Describes how to perform automatic GOOD/BAD tests by entering component parameters for comparison.

Suggest Removal Indication

Explains the "SUGGEST REMOVAL" message and when a component may need removal for accurate testing.

Out-of-Circuit Capacitor Testing

Measuring Capacitor Value

Details the procedure for measuring capacitor value out-of-circuit, including polarity considerations.

Measuring Capacitor ESR

Explains how to test capacitors for excessive Equivalent Series Resistance (ESR) and compare to standards.

Measuring Capacitor Dielectric Absorption

Covers testing for dielectric absorption, a measure of a capacitor's memory effect, and how to interpret results.

Measuring Capacitor Leakage

Details the procedure for measuring capacitor leakage current at rated voltage, displaying results in uA and Ohms.

Automatic Good/Bad Capacitor Testing

In-Circuit Inductor Testing

Inductor Value Testing

Automatic GOOD/BAD Inductor Value Testing

Explains how to perform automatic GOOD/BAD inductor value tests by programming tolerance and marked value.

The Inductor Ringer Test

Describes the patented Ringer test for checking inductor quality (Q factor) and detecting shorted turns.

Out-of-Circuit Inductor Testing

Measuring Inductor Value

Details how to measure inductor value out-of-circuit using the LC103, including notes on open components.

Error Messages

RS-232 Operation

Connecting to the Computer

Explains how to connect the LC103 to a computer using an RS-232 cable for automated testing.

Sending Data to the LC103

Describes how the LC103 accepts commands from a computer to select functions or send parameters.

RS-232 Data Handling

Value Multipliers and Commands

Lists listener codes for entering component data, including value multipliers and component type commands.

Receiving Data from the LC103

Explains how the LC103 sends test results back to a computer via RS-232, detailing data format.

Data Format

Defines the standard 17-character data string format returned by the LC103, including header, data, and indicator fields.

RS-232 Error Handling

Error Testing Procedures

Advises computer software to test for error conditions returned by the LC103 to ensure reliable operation.

Shorted Capacitors Detection

Describes how the LC103 detects shorted capacitors, indicated by "SHT" or "SHORT" messages.

Test Procedures

Making Leakage Tests

Provides guidance on performing leakage tests on large capacitors, noting that multiple readings may be needed.

Making ESR Tests

Discusses potential errors in ESR testing and conditions to check, like minimum capacitance and lead zeroing.

Applications

Identifying Capacitor Types

Explains how to identify different capacitor types based on physical characteristics for accurate testing.

Capacitor Type Details

Aluminum Electrolytics

Describes aluminum electrolytic capacitors, their construction, common failure modes, and identification.

Tantalum Electrolytics

Details tantalum electrolytic capacitors, their advantages over aluminum lytics, and identification methods.

Ceramic Capacitors

Describes ceramic capacitors, their variety, common types like discs, and temperature characteristics.

All Other Capacitor Types

Covers capacitors not fitting other categories, such as films, micas, and air, and their testing requirements.

Identifying Inductor Types

Yokes and Flybacks

Describes yokes and flybacks used in video applications, their construction, and testing with the Ringer test.

Coils

Covers non-iron core inductors not classified elsewhere, including RF chokes and axial lead inductors.

Identifying Unknown Components

Capacitor Testing Procedures

Discusses capacitor testing, including measurement accuracy and testing small values in noisy environments.

Capacitor Interpretation and In-Circuit Testing

Interpreting Capacitor Value Readings

Guides users on interpreting capacitor value readings, including conversion between units and understanding manufacturer markings.

The In-Circuit Capacitor Test

Explains the process and logic of the in-circuit capacitor test, including parallel component checks and default settings.

Capacitor Failure Modes

Value Change as a Failure Mode

Discusses how capacitor values can change due to poor connections, thermal stress, or cracks, affecting performance.

Equivalent Series Resistance (ESR)

Explains excessive ESR as a common capacitor problem that generates heat and reduces filtering capability.

Capacitor Leakage

Describes capacitor leakage as a common failure mode caused by current through the dielectric, necessitating testing at rated voltage.

Dielectric Absorption

Explains dielectric absorption, or "capacitor memory," as a failure mode that can affect circuit bias levels.

Glossary

Warranty and Service

Service Department Information

Outlines the Sencore Service Department's capabilities for in and out-of-warranty service and recalibration.

Repacking for Shipment

Provides instructions for properly packing the unit for return shipment to the Sencore factory for repair.

Notes

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