PRO-TEK 9216A Manuel utilisateur

PROTEK 9216A

Digital LCR Meter

User’s Manual

Volume1: BasicOperation Rev.3.0

Table of contents

Introduction...........................................................................................................................................................4

Warranty.........................................................................................................................................................4

General Safety Summary..............................................................................................................................5

Preventing Injury.....................................................................................................................................5

Preventing Instrument Damage..............................................................................................................5

Maintenance, Repair, and Storage...................................................................................................5

Product Damage Prevention............................................................................................................6

Line Voltage Requirements..............................................................................................................6

Fuse Requirements..........................................................................................................................6

Conventions Used in This Manual .................................................................................................................7

Safety Terms...........................................................................................................................................7

Product Familiarization.........................................................................................................................................8

Front Panel Components...............................................................................................................................8

Fixture Inputs...........................................................................................................................................8

Measurement Modes and the Mode Selection Keys...............................................................................9

Alphanumeric Displays and Parameter Indicators..................................................................................9

Programming and Operator Interface Keys..........................................................................................10

Rear Panel Components..............................................................................................................................12

Specifications...............................................................................................................................................13

Display...................................................................................................................................................13

Test Conditions......................................................................................................................................13

Accuracy................................................................................................................................................13

Features and Options...................................................................................................................................14

General Features...................................................................................................................................14

Options..................................................................................................................................................15

Basic Operations.................................................................................................................................................16

Operation of the LCR Meter For the First Time...........................................................................................16

Unpacking and Inspection.....................................................................................................................16

Installation .............................................................................................................................................16

Startup Procedures......................................................................................................................................17

Before Applying Power..........................................................................................................................17

Before Using the Test Fixture................................................................................................................17

Fixture Options...............................................................................................................................17

Null Calibration Procedure..............................................................................................................18

Changing Test Setup Parameter Settings....................................................................................................18

Default Setup.........................................................................................................................................19

Changing, Storing, and Recalling Custom Setups................................................................................20

Measurement Mode........................................................................................................................20

Frequency.......................................................................................................................................20

Drive Voltage..................................................................................................................................21

Bias.................................................................................................................................................22

Measurement Rate.........................................................................................................................24

Settling Time..................................................................................................................................25

Triggering........................................................................................................................................25

Store and Recall.............................................................................................................................26

Range.............................................................................................................................................26

Series and Parallel Equivalent Circuits..........................................................................................29

Display Types.................................................................................................................................29

Introduction

ImportantBackgroundInformation

The PROTEK 9216A DIGITAL LCR Meter is a high quality instrument that gives you

many years of good service. Please read the information in this chapter before using or

applying power to the meter. Information on operating and using the meter is given in

the following chapters.

Warranty

PROTEK warrants that this product will be free from defects in materials and

workmanship for a period of one year from the date of purchase. If any such product

proves defective during this warranty period, PROTEK, at its option, either will repair the

defective product without charge for parts and labor, or will provide a replacement in

exchange for the defective product.

In order to obtain service under this warranty, the customer must notify PROTEK of

the defect before the expiration of the warranty period and make suitable arrangements

for the performance of service. The customer shall be responsible for packaging and

shipping the defective product to the service center designated by PROTEK, with

shipping charges prepaid. PROTEK shall pay for the return of the product to customer if

the shipment is to a location within the country in which the PROTEK service center is

located. The customer shall be responsible or paying all shipping charges, duties, taxes,

and any other charges forproducts returned to any other locations.

This warranty shall not apply to any defect, failure or damage caused by improper

use or improper or inadequate maintenance and care. PROTEK shall not be obligated

to furnish service under this warranty:

To repair damage resulting from attempts by personnel other than PROTEK repre-

sentatives to install, repair or service the product;

To repair damage resulting from improper use or connection to incompatible

equipment; or

To service a product that has been modified or integrated with other products when

the effect of such modification or integration increases the time or difficulty of

servicing the product.

This warranty is given by PROTEK with respect to this product in lieu of any other

warranties, expressed or implied. PROTEK and its vendors disclaim any implied

warranties of merchantability or fitness for a particular purpose.

Chapter

PROTEK’s responsibility to repair or replace defective products is the sole and

exclusive remedy provided to the customer for breach of this warranty. PROTEK

and its vendors will not be liable for any indirect, special, incidental, or

consequential damages irrespective of whether PROTEK or the vendor has

advance notice of the possibility of such damages.

General Safety Summary

Review the following safety precautions to avoid injury and prevent damage to this

product or any products connected to it.

NOTE: Only qualified personnel should perform service procedures.

Preventing Injury

Use Proper Power Cord. To avoid fire hazard, use only the power cord specified for this

product.

Avoid Electrical Overload. To avoid electric shock or fire hazard, do not apply a voltage

to a terminal this is outside the range specified for that terminal.

Ground the Product. This product is grounded through the grounding conductor of the

power cord. To avoid electric shock, the grounding conductor must be connected to

earth ground. Before making connections to the input or output terminal of the product,

ensure that the product is properly grounded.

Do Not Operate Without Cover. To avoid electric shock or fire hazard, do not operate

this product with covers or panels removed.

Use Proper Fuse. To avoid fire hazard, use only the fuse type and rating specified for

this product.

Do Not Operate in Wet/Damp Conditions. To avoid electric shock, do not operate this

product in damp or wet conditions.

Do Not Operate in an explosive atmosphere. To avoid injury or fire hazard, do not

operate this product in an explosive atmosphere.

Keep Probe Surface clean. To avoid electric shock and erroneous readings, keep the

probe surface clean.

Preventing Instrument Damage

Maintenance, Repair, and Storage

This equipment is composed of many high-precision components and components

which require high internal pressure. Care is required when handling or storing this

equipment.

Occasionally, if the surface of the panel is dirty, rub the affected area lightly with a

soft cloth soaked in a light neutral detergent or alcohol. Never use highly volatile

material such as benzene or paint thinner.

The ideal ambient temperature range for storing this equipment is 10C to 60C

(14F to 140F).

To avoid personal injury, do not remove the product covers. Do not operate the

product without the covers properly installed.

Two spare fuses are shipped with this equipment.

In order to maintain this equipment in a stable and efficient operating condition,

calibrate the equipment after every 1,000 hours operating time or every 6 months,

whichever is shorter.

Product Damage Prevention

Use Proper Power Source. Do not operate this product from a power source that

applies more than the voltage specified.

Provide Proper Ventilation. To prevent product overheating, provide proper ventilation.

Do Not Operate With Suspected Failures. If you suspect there is damage to this

product, have it Suspected Failures inspected by qualified service personnel.

Do not immerse in Liquids Clean the probe using only a damp cloth. Refer to the

cleaning instructions.

Line Voltage Requirements

Refer to the following table for the correct operating voltage ranges for this LCR meter.

Check the line voltage prior to connecting to the power source, and verify that it is within

a voltage range listed below.

Rating

Operating Voltage Range

AC 115 V

AC 98 V–132 V

AC 230 V

AC 196–253 V

If the LCR meter is to be used at a voltage other than 230V AC, the operating voltage

may be changed by the following procedure ·

Remove the power cable from AC input.

Insert a flat-bladed screwdriver into the slot located on right side of the fuse holder

cap; remove the cap by pressing and then pulling up the screwdriver.

Rotate the cap on the fuse holder to set the voltage to the desired level.

Connect power cable to the AC input.

If a voltage below AC 115 V is required, the power cable and fuse may need to be

changed. In such case, contract your nearest dealer for appropriate service.

After use, disconnect the equipment from the AC outlet.

Fuse Requirements

In order to prevent circuit damage resulting from over current, use the correct fuse value.

The fuse ratings are as follows.

Circuit No.

Shape (diameter length) mm

Rating

Remarks

F1101

5.2 20

250 V T500 mA

For AC l15V

250 V T250 mA

For AC 230 V

F601

5.2 20

250 V F250 mA

The internal fuse rating is as follows:

Circuit No.

Shape (diameter length) mm

Rating

Remarks

F602

5.2 20

250 V F250 mA

Note: Refer to the section on troubleshooting in the Reference Manual for instructions

on replacement of the internal fuse.

Conventions Used in This Manual

In this manual, you will find various procedures, which contain steps of instructions

for you to perform. To keep these instructions clear and consistent, this manual

uses the following conventions:

Operating procedures and names of front panel controls are in uppercase and

boldface print.

The case of each name used in the manual is the same (Initial Capitals or

UPPERCASE) as that used on the instrument itself.

Instruction steps are numbered (1, 2, 3, ), unless there is only one step.

When steps require that you make a sequence of selections using front panel

controls and keys, an arrow () is used in the text to indicate an LED result when a

front panel entry is made. Also, whether a name is a key or LED display reading is

clearly indicated:

Example: Press DISP (Entry) ENTER

Safety Terms

The following terms are also used in this manual:

WARNING identifies conditions or practices that could result in injury.

CAUTION identifies conditions or practices that could result in damage to this

product or other property.

NOTICE identifies conditions or practices that could result in incorrect test

data.

Product Familiarization

DescriptionoftheLCRMeterandItsFeatures

In this chapter, the controls and connections of the LCR Meter are described, and its

basic operation is summarized in terms of the meter’s specifications, features and options,

and operating modes.

Front Panel Components

The front panel and its displays, controls, and connections are shown in the following

illustration:

Test Frequency Measurement Rate

Bias

Test Voltage Display option Back space

Measurement modeFixture inputs Trigger

Setup Key pad Enter

First, the displays, controls, and connections on the left side of the front panel are ex-

plained, and thenthe many buttons and keysonthe right side are described.

Fixture Inputs

The input terminals labeled IL, PL, PH, and IH connect the test fixture or adapter to the

instrument, as discussed in the section in Chapter 3 on “Connecting a Component.” Two

of the terminals provide a current source to the component under test, and the other two

terminals provide a high impedance connection to measure the voltage across the device.

This four-wire or “Kelvin” type of measurement setup is designed to increase accuracy by

reducing the amount of current in the voltage-sensing wires. Warning: Do not connect

any active voltage source to these terminals, especially high voltages.

Measurement Modes and the Mode Selection Keys

These keys select the measurement to make on the component under test. One of five

measurement modes may be selected: Auto, R+Q, L+Q, C+D or C+R. The selected

Chapter

mode is indicated by LEDs above the alphanumeric displays. The operation of each

mode can be explained as follows:

AUTO In this mode, the meter automatically selects the most appropriate

measurement on the device. The selection is made according to the following

criteria:

If |Q| < 0.125, the meter selects the R+Q measurement mode.

If Q > +0.125, the meter selects the L+Q measurement mode.

If Q < 0.125 and the meter is in the series equivalent circuit mode, the C+R

measurement mode is selected.

If Q < 0.125 and the meter is in the parallel equivalent circuit mode, the C+D

measurement mode is selected.

R+Q In this mode, resistance is displayed on the main parameter display

and the Q (quality factor) is displayed on the secondary parameter display. The R-

value is either the series or parallel equivalent resistance of the component under test.

The unit for R is , k, or M. The Q value is the dimensionless ratio of the

imaginary part of the component’s impedance to its real part. If Q has a positive (+)

value, the reactive component of the device under test is inductive. If Q has a

negative () value, it is capacitive.

L+Q In this mode, the series or parallel equivalent inductance value of a

component under test is displayed on the main parameter display units in units of µH,

mH, or H, and its dimensionless Q value is displayed on the secondary parameter

display.

C+D In this mode, the series or parallel equivalent capacitance value of a

component under test is displayed on the main parameter display in units of pF, nF,

or µF. On the secondary parameter display, the dimensionless ratio D 1/Q is given.

D is normally a smallvaluefora good capacitor.

C+R In this mode, the capacitance is displayed on the main parameter

display and the equivalent resistance is displayed on the secondary parameter

display. The unitfor resistance is unless the kindicator LED is lit.

Alphanumeric Displays and Parameter Indicators

The two 5-digit (plus sign) LED

-segmented alphanumeric displays provide measurement

results, entered parameter values, and status messages. The left display gives the value

of the main parameter of the component under test (L, R, C) and the right display gives

the value of its secondary parameter (Q,D, R, %). Above and next to these two

alphanumeric displays are various LEDs that, when lit, indicate something about the

measurement:

LED = light-emitting diode

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