Siborg St5 Manual de usuario

12-12-18 11:12 PM

TABLE OF CONTENTS

Notice 1

Warranty 1

Safety Precautions 2

Getting Started 3

Overview 3

Controls 6

Power On 7

Menu Structures And Functions 9

Measurement Features 20

Measuring Resistance 20

Measuring Capacitance 20

Measuring Inductance 21

Maintenance 22

Labelling & Veriﬁcation Requirements 23

Appendix A. Speciﬁcations 24

Appendix B. Default Settings 25

Appendix C. Accuracy Speciﬁcation 26

NOTICE:TO THE BEST OF OUR KNOWLEDGE THIS DOCUMENT IS BELIEVED TO BE ACCURATE. THE MANUFACTURER RESERVES THE RIGHT TO

CHANGETHEINFORMATIONANDDOES NOT ASSUMEANY RESPONSIBILITY FOR OMISSIONSAND/OR ERRORS FOUNDINTHIS DOCUMENT.

WARRANTY: MANUFAC TURER WARRANTS THIS PRODUCT TO BE FREE FROM DEFECTS IN MATERIALS AND WORKMANSHIP

FOR A PERIOD OF ONE (1) YEAR FROM THE SHIPMENT DATE. MANUFACTURER WARRANTS THE FOLLOWING ITEMS FOR

NINET Y (90) DAYS FROM THE DATE OF SHIPMENT: RECHARGEABLE BATTERIES, DISKS AND DOCUMENTATION. DURING THE

WARRANTY PERIOD,THE MANUFACTURER WILL, AT ITS DISCRETION, EITHER REPAIR OR REPLACE ANY PRODUCT THATPROVES

TO BE DEFEC TIVE. TO EXERCISE THIS WARRANT Y, WRITE OR CALL YOUR LOCAL DISTRIBUTOR. YOU WILL BE GIVEN PROMPT

ASSISTANCE AND RETURN INSTRUCTIONS. PLEASE SEND THE PRODUCT WITH SHIPPING PREPAID TO THE INDICATED SERVICE

FACILIT Y. REPAIRS WILL BE MADE AND THE PRODUCT WILL BE RE TURNED TO YOU. REPAIRED OR REPLACED PRODUCTS ARE

WARRANTEDFOR THEBALANCE OFTHEORIGINAL WARRANTY PERIOD,ORNINETY(90) DAYSFROMTHEDATE OF THE REPAIR.

THIS WARRANTY DOES NOT COVER THE REPAIR OF ANY PRODUCT WHOSE SERIAL NUMBER HAS BEEN ALTERED, DEFACED OR

R E M O V E D. T H I S WA R R A N T Y D O E S N O T C O V E R F I N I S H E S ( S C R AT C H E S O N S U R FA C E O R S C R E E N ), N O R M A L W E A R A N D T E A R , N O R

D O E S I T C O V E R D A M A G E R E SU LT I N G F R O M M I S U S E , D I R T, L I Q U I D S , P R OX I M I T Y O R E X P O S U R E O F H E AT, A C C I D E N T, A B U S E , N E G L E C T,

MISAPPLICATION, OPERATION OUTSIDE OF THE ENVIRONMENTAL SPECIFICATIONS,TAMPERING, UNREASONABLE USE, SERVICE

PERFORMEDORATTEMPTED BY UNAUTHORIZED SERVICECENTERS, FAILURE TO PROVIDEREASONABLE AND NECESSARYMAINTENANCE.

THIS WARRANTY DOES NOT APPLY TO DEFECTS RESULTING FROM PRODUCT MODIFICATION WITHOUT MANUFACTURER’S

EXPRESS WRITTEN CONSENT, OR MISUSE OF ANY PRODUCT OR PART. THIS WARRANTY ALSO DOES NOT APPLY

TO SOFTWARE, NON-RECHARGEABLE BATTERIES, DAMAGE FROM BATTERY LEAKAGE, AND IMPROPER POLARITY

OF THE BATTERIES OR PROBLEMS ARISING FROM NORMAL WEAR OR FAILURE TO FOLLOW INSTRUCTIONS. THIS

WARRANTY DOES NOT COVER LCD DAMAGE, PHYSICAL DAMAGE TO THE JOG DIAL BUTTON, SLIDE SWITCH AND

RESET SWITCH; ELECTRICAL DAMAGE OF THE PRODUCT DUE TO HIGH VOLTAGE OR IMPROPER BATTERY TYPE.

THE DESIGNAND IMPLEMENTATION OF ANY CIRCUITBASED ON THIS PRODUCT ISTHESOLE RESPONSIBILITY OF THE CUSTOMER.

MANUFACTURER DOES NOT WARRANT ANY DAMAGE THAT OCCURS AS ARESULT OF THE USER’S CIRCUIT OR ANY DEFECTS THAT

RESULTFROM USER-SUPPLIED PRODUCTS.THIS WARRANTY DOES NOT APPLY TO REPAIRS OR REPLACEMENTS NECESSITATED

BY ANY CAUSE BEYOND THE CONTROL OF FACTORY INCLUDING,BUT NOT LIMITED TO, OPERATION CONTRARY TO FURNISHED

I N S T R U C T I O N S , S H I P P I N G A C C I D E N T S , M O D I F I C AT I O N O R R E P A I R B Y T H E U S E R , N E G L E C T, A C C I D E N T S O R O T H E R A C T S O F G O D .

THE FOREGOING IS IN LIEU OF ALL OTHER EXPRESSED WARRANTIES AND THE MANUFACTURER DOES NOT ASSUME OR AUTHORIZE

ANY PARTY TO ASSUME FOR IT ANY OBLIGATION OR LIABILITY.THE DURATION OF ANY WARRANTIES THAT MAYBE IMPLIED BY LAW

(INCLUDINGTHEWARRANTIESOFMERCHANTABILITYANDFITNESS)ISLIMITEDTOTHETERMOFTHISWARRANTY.INNOEVENT

SHALL THE MANUFACTURER BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM OWNERSHIP OR

USE OF THIS PRODUCT,OR FOR ANY DELAY IN THE PERFORMANCE OF ITS OBLIGATIONS UNDER THIS WARRANTY DUE TO CAUSES

B E YO N D I T S CO N T R O L . T H I S WA R R A N T Y I S L I M I T E D I N D U R AT I O N T O O N E (1) Y E A R F R O M T H E D AT E O F O R I G I N A L P U R C H A S E .

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE

REMEDIES. NEITHER MANUFACTURER, NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT,INDIRECT,SPECIAL, INCIDENTAL

OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS DEVICES AND SOFTWARE EVEN IF MANUFACTURER HAS BEEN

ADVISED IN ADVANCE OFTHEPOSSIBILITYOF SUCH DAMAGES.SUCH EXCLUDED DAMAGES SHALL INCLUDE, BUT ARE NOT LIMITED TO:

COSTSOF REMOVAL AND INSTALLATION, LOSSES SUSTAINEDAS THE RESULT OF INJURYTOANY PERSON, ORDAMAGETO PROPERTY.

SAFETY PRECAUTIONS

The following safety precautions should be observed prior to using

this product and any associated accessories. Although devices and

accessories would normally be used with non-hazardous voltages,

there are situations where hazardous conditions may be present.

This product is intended for use by qualiﬁed personnel who

recognize shock hazards and are familiar with the safety precautions

required to avoid possible injury. Read and follow all installation,

operation, and maintenance instructions carefully before g the

product. Refer to the manual for complete product speciﬁcations.

If the product is used in a manner not speciﬁed, the

protection provided by the product may be impaired.

Inspect the Smart Tweezers case before using.

Do not use the device if it appears to be damaged.

• Do not use the device if it operates abnormally.

• Do not attempt to measure any components in-

circuit when your circuit is alive or active.

To avoid possible damage to Smart Tweezers or to the

equipment under test, follow these guidelines:

• Disconnect circuit power supply and discharge all high-voltage

capacitors before testing resistance, inductance, or capacitance.

• Do not apply external voltages of more than 1.6 V.

• Use proper terminals and functions for your measurements.

• Only supplied charger (DC 5V) should be used to charge the battery.

SAFETY SYMBOLS AND TERMS

The WARNING heading in this manual indicates

dangers that might result in personal injury or death.

Always read the associated information very carefully

before performing the indicated procedure.

The CAUTION heading in the manual indicates hazards that could

damage the device. Such damage may invalidate the warranty.

GETTING STARTED

This section summarizes basic operation of Smart Tweezers.

In the section:

OVERVIEW : Overview of the device Controls – Describes controls

POWER-ON: Describes the power-on and power-off sequence,

the warm-up time, and default conditions.

DISPLAY: Discusses the display format and messages that

may appear while using the device.

MENU STRUCTURE: Covers menu structure, system

settings and features.

OVERVIEW

Smart Tweezers (ST) is a portable impedance measuring

device. ST is capable of measuring resistance, capacitance

or inductance over a range of more than 8 orders of

magnitude. The device has a basic accuracy better than

0.2% (resistance) and operates at four test frequencies.

Smart Tweezers is controlled by a microcontroller that sets

measurement conditions, processes data and operates the display

and user interface. The device has a unique mechanical design that

allows manipulation SMT components with size down to 0201.

In actual use Smart Tweezers provides more accurate results than

most of the benchtop LCR meters due to small and very predictable

parasitics of its probes. Probability of measurement errors

associated with setup (wires, tips, probes and etc.) is minimal.

HOW IT WORKS

ST evaluates impedance of a component by measuring the voltage

across the component and current through it. The complex ratio

of voltage to current is equal to the complex impedance. The unit’s

processor calculates various parameters that are displayed i.e. R, C or L.

Voltage across the component is generated by the test signal

source Vs. Both the amplitude and frequency of Vs can be set. The

voltage is applied to the device under test (DUT) through the source

resistance Rs. Current ﬂows to the virtual ground of the current

ampliﬁer AI, and through the current conversion resistor Ri. The

output of AI provides a signal proportional to the current, I*Ri.

Voltage across the DUT is measured by a separate signal path

(ampliﬁer AU), thus providing a pseudo 4-wire Kelvin connection.

Voltage and current signals are processed by the A/D converter.

Obtained values are then corrected using calibration factors,

converted to impedance and sent to the display.

There are four selectable frequencies: 100Hz, 120Hz,

1.0kHz and 10kHz. The output frequency is accurate to

50 ppm (0.005%). Frequencies are set in the menu or by

moving the Navigation Controller to the RIGHT.

There are three output voltage levels that can be

selected: 0.25 Vrms, 0.5 Vrms and 1.0 Vrms. The

accuracy of the output voltage levels is 2 %.

DUT AU

VOLTAGE SIGNAL

TO ADC

CURRENT SIGNAL

TO ADC

The output voltage is applied to the device under test

through the source impedance. The voltage across

the device is always less than or equal to the

output voltage. Source impedance values are

62.5(R1), 1k(R2) and 16 k(R3).

The source impedance is selected as a function of the measurement

range. For most devices, including resistors, most capacitors and many

inductors, the 1.0 Vrms setting provide best result. For some inductors

and active devices, the 0.25 or 0.5 Vrms setting should be used.

Certain devices require a speciﬁc test voltage, such

as Z5U ceramic capacitors (test voltage = 0.5 Vrms

for 25V parts and 1.0V for < 16V parts).

Note: Use the largest voltage possible for the best SNR and accuracy.

The ST5 provides three measurement ranges (R1-R3). Each of

the three ranges has the source impedance of approximately

the mid-scale impedance. The table below speciﬁes the

impedance ranges for each of the measurement ranges.

Range Source R DUT Impedance

162.5< 400

21k400 < < 4 k

316k> 4 k

Note: Measurement ranges determine an impedance range (not

a value range), so the ranges for inductance and capacitance

depend upon the test frequency. In addition, the impedance

for capacitors is inversely proportional to its capacitance, so

larger capacitors are measured in lower impedance ranges.

During normal operations the unit automatically changes to the

optimal range for the DUT. There is a built-in hysteresis allowing to

avoid repeated range changes when a component is near a range

boundary. The auto-ranging function can be disabled by user.

Range holding is helpful if a number of parts with similar values are

being measured or a speciﬁc measurement condition required.

CONTROLS

The Navigation Controller

The controller is used to select a function or to change a

setting of Smart Tweezers. The controller can be moved

(rocked) in 4 directions (UP, DOWN, LEFT, RIGHT). Selection

is performed by pressing along the vertical axis (PRESS).

Quick Controls

The Quick Controls allow changing test parameters or modes

without entering the general menu by moving the Navigation

Controller UP, DOWN, LEFT and RIGHT as shown below.

The following table summarizes functions of

the Navigation Controller moves:

UP – change test signal levels

DOWN – change test ranges

LEFT – changemeasurementmodes

RIGHT – change test frequencies

Note: To avoid errors do

not use the Quick Controls

during component

measurement. The

Navigation Controller

response time depends on

the current test frequency.

POWER ON

POWER-ON - To turn the Smart Tweezers ON,

press the Navigation Controller.

Note: Once powered on, the unit will perform

the last selected function.

POWER-OFF - ST powers off automatically if neither a

measurement is performed nor the navigation controller is

operated for approximately 30 seconds (default value).

The power off timeout value can be set by changing

the TIMEOUT setting in the SYSTEM menu.

The default power-off timeout is 30 seconds in a

measurement mode and 30 seconds in the MENU mode.

Note: Automatic power-off does not occur if test

frequency is manually set to 10kHz.

DISPLAY

The screen is divided in four areas:

• Primary Display

• Secondary Display

• Test Parameters

• Device Status with Test Mode Indicator

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