iET DE-6000 Guía de solución de problemas
♦PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT ♦
Email: [email protected]
TEL: (516) 334-5959 • FAX: (516) 334-5988
www.ietlabs.com
IET LABS, INC.
Copyright © 2014 IET Labs, Inc.
Visit www.ietlabs.com for manual revision updates
DE-6000 im/April 2014
DE-6000
Portable, Full-Featured
LCR Meter
User and Service Manual
♦PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT ♦
Email: [email protected]
TEL: (516) 334-5959 • FAX: (516) 334-5988
www.ietlabs.com
IET LABS, INC.
♦PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT ♦
Email: [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 specifi cations. 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 specifi cations 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.
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 qualifi ed personnel
HIGH VOLTAGES MAY BE PRESENT AT 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 SAFELY AWAY.
CAUTION
DO NOT APPLY ANY 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.
Table of Contents
Chapter 1: Introduction .........................................................1
1.1. Overview ............................................................................1
1.2. Introduction to measuring principles..................................2
1.2.1. What is impedance ..........................................................2
1.2.2. Measuring impedance......................................................4
1.3. Equivalent circuit ...............................................................6
1.4. Instrument layout................................................................7
1.5. LCD display layout ..........................................................10
Chapter 2: Operation............................................................12
2.1. How to obtain optimum precision ....................................12
2.2. Default settings.................................................................12
2.3. Zeroing the meter .............................................................14
2.4. Attaching DUT’s to the meter ..........................................17
2.5. Primary measurements and functions...............................19
2.5.1. Measuring inductance, capacitance, and resistance .......19
2.5.2. Measuring dissipation, quality, ESR, and phase angle...22
2.5.3. Sorting components.......................................................24
2.5.4. Making relative measurements......................................26
2.6. Additional settings............................................................30
2.6.1. Selecting test frequency.................................................30
2.6.2. Making measurements in series and parallel .................32
- iii -
- iv -
2.7. Additional features ...........................................................33
2.7.1. Connecting to a PC........................................................33
2.7.2. Using the backlight........................................................35
2.7.3. Holding a reading on the display...................................35
2.8. Replacing Batteries ..........................................................36
Chapter 3: Specifications......................................................37
3.1. General specifications ......................................................37
3.2. Accuracy specifications....................................................39
3.3. Ordering information........................................................42
Chapter 1: Introduction
1.1. Overview
The DE-6000 is a portable, high-performance LCR meter that is
full-featured yet cost effective. It measures in true 4-wire Kelvin
mode and rivals the capabilities and options of many of its bench
counterparts. It measures:
Ls/Lp -- Series and parallel inductance
Cs/Cp -- Series and parallel capacitance
Rs/Rp -- Series and parallel resistance (ac)
Rdc/Rp -- Series and parallel resistance (dc)
ESR/Rp -- Series and parallel equivalent resistance
D-- Dissipation factor
Q-- Quality factor
Θ-- Phase angle
This LCR meter can transfer data to a PC via a standard, fully
isolated, optical IR-USB interface. It also features a Sorting
mode, allowing users to quickly sort components.
DE-6000 has automatic LCR selection. This allows the user to
measure the L/C/Rcomponents in Auto LCR mode without
having to select the type of measurement.
- 1 -
To accommodate various test requirements, the DE-6000 offers
selectable test frequencies: 100 Hz / 120 Hz / 1 kHz / 10 kHz /
100 kHz.
The unit is powered by a standard 9V battery. For additional
convenience, it may also use an optional ac adapter
(DE-5000-AC).
To transfer data to a PC, the unit comes with a built-in IR
interface. IET offers an optional Data Transfer Kit
(DE-5000-DTK). This kit includes: IR-USB interface adapter,
a USB cable, and a CD with software for the PC.
1.2. Introduction to measuring principles
1.2.1. What is impedance
Impedance (Z) consists of resistance (real part) and reactance
(imaginary part). Series impedance (Zs) can be defined as a
combination of series resistance (Rs) and series reactance (Xs). It
can be represented mathematically as magnitude |Z|=√(Rs2+Xs2)
at a phase angle Θ.
- 2 -
Θ= tan-1(Xs/Rs)
Zs = Rs + jXs or |Zs|∠Θ
Rs = |Zs| cosΘ
Xs = |Zs| sinΘ
Xs/Rs = tanΘ
There are two types of reactance. One is inductive reactance –
XL, and the other is capacitive reactance – XC.
If Θ> 0, the reactance is inductive. If Θ< 0, the reactance is
capacitive.
The inductive and capacitive reactances (XLand XC) can be
defined as:
XL= 2πƒL
XC=1÷(2πƒC)
Where:
L= Inductance
C= Capacitance
ƒ= signal frequency)
- 3 -
1.2.2. Measuring impedance
Impedance can be measured in series or in parallel. In parallel
mode, impedance can be represented as reciprocal of admittance
(Y). The admittance can be defined as Y= G+ jB, where:
G= Conductance
B= Susceptance
Series impedance Parallel admittance
Rp = Parallel resistance
Xp = Parallel reactance
Cp = Parallel capacitance
Lp = Parallel inductance
Y= 1/Z= 1/Rp + 1/jXp = G+jB
Ls = Series Inductance
Xs = Series reactance
Cs = Series capacitance
Rs = Series resistance
To understand the ratio of resistance and reactance, it is
important to consider two factors: quality factor (Q) and
dissipation factor (D). Usually Qis used when measuring
inductance and Dis used when measuring capacitance. Dis
defined as the reciprocal of Q.
Q= 1/D= tanΘ
Q= Xs/Rs = 2πf Ls/Rs = ½πf CsRs
Q = B/G= Rp/|Xp| = Rp/2πf Lp = 2πf CpRp
- 4 -
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