1. Manuals
  2. Brands
  3. PromLegion Manuals
  4. Measuring Instruments
  5. Z-METER DX4190
  6. User manual

PromLegion Z-METER DX4190 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PromLegion Ltd.
Z-METER DX4190
USER GUIDE
Moscow, 2016
version 1.11

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Z-METER DX4190 and is the answer not in the manual?

Questions and answers

Related Manuals for PromLegion Z-METER DX4190

Summary of Contents for PromLegion Z-METER DX4190

  • Page 1 PromLegion Ltd. Z-METER DX4190 USER GUIDE Moscow, 2016 version 1.11...
  • Page 2 Edition July 2016 Copyright All rights reserved. Reproduction in any manner, in whole or in part is straightly prohibited without written permission of PromLegion Ltd. The information contained in this document is the subject to change without notice. page 2 of 62...
  • Page 3 Z-Meter DX4190/ User Guide PromLegion Ltd WARRANTY PROMLEGION LLC warrants that the Z-Meter, if properly used and installed, will be free from defects in material and workmanship and will substantially conform to PROMLEGION’s publicly available specification for a period of one (1) year after date of the Z-Meter was purchased.

  • Page 4: Table Of Contents

    PromLegion Ltd Z-Meter DX4190/ User Guide CONTENTS 1. INTRODUCTION ................7 2. TECHNICAL CHARACTERISTICS ..........9 2.1. Specifications ................. 9 2.2. Delivery Kit ................10 2.3. Features ................11 2.4. Design overview ..............11 2.5. System Requirements ............14 3. WORKING WITH Z-METER ............15 3.1.
  • Page 5 Z-Meter DX4190/ User Guide PromLegion Ltd 6.1. Time Constant Measuring ........... 46 6.2. Interpolation Results ............48 ���� 6.3. Figure-of-Merit Z Measuring ..........49 ���� 6.3.1. Single-stage TE Module 6.3.2. Two-stage TE Module 6.3.3. Alternative Correction 7. MEASURING PROCESSES ............54 ����...
  • Page 6 PromLegion Ltd Z-Meter DX4190/ User Guide page 6 of 62 ver.1.11 (2016)

  • Page 7: Introduction

    Z-Meter DX4190/ User Guide PromLegion Ltd INTRODUCTION The ten channel Z-Meter provides measurement of the following parameters of thermoelectric (TE) modules (also TE coolers, TECs) - ���� the measurement of up to 10 TE modules at a time. ���� •...
  • Page 8 PromLegion Ltd Z-Meter DX4190/ User Guide The Z-Meter is operated by computer under the operating system Windows 98/2000/XP/Vista/7. ADVANTAGES FEATURES  Express testing performance  Ten Channels of single stage and multi-  Current adjustable in a range stage thermoelectric modules 0...80 mA...

  • Page 9: Technical Characteristics

    Z-Meter DX4190/ User Guide PromLegion Ltd TECHNICAL CHARACTERISTICS 2.1. Specifications ���� Parameters Units Values Electrical Resistance Range 0.1...100 Accuracy 0.6 (but>0.01Ohm) ���� Repeatability Figure-of-Merit Range 1...3 Accuracy ���� Repeatability Time Constant Range 1...100 Accuracy Repeatability Power Supply AC Voltage 85...264 Frequency 47...63...

  • Page 10: Delivery Kit

    PromLegion Ltd Z-Meter DX4190/ User Guide Parameters Units Values Testing Unit 388х180х44 Dimensions Mass 2.2. Delivery Kit Measuring unit 1 pc. Testing unit 1 pc. Connection cable 2 pcs. Temperature sensor 1 pc. Measuring terminal* 10 pcs. page 10 of 62...

  • Page 11: Features

    Z-Meter DX4190/ User Guide PromLegion Ltd Power supply cable 1 pc. USB cable 1 pc. * Measuring terminals can be made on the basis of Kelvin clips of various designs. 2.3. Features Z-meter consists of two units that allow using either the testing unit (supplied) for a TEC connection or any other means providing the 4-wire connection.
  • Page 12 PromLegion Ltd Z-Meter DX4190/ User Guide The testing unit is a passive thermostat, providing TEC constant temperature during the measuring procedure and is equipped with terminals for an easy connection of the measured TEC. There is a sensor, and a LED indicating the measurement results. In addition, there is a testing unit heater checking the TE module polarity.
  • Page 13 Z-Meter DX4190/ User Guide PromLegion Ltd Measuring unit Measuring module 1 Test unit Precision current bridge source Instrumentation amplifier Measuring module 2 Measuring module 10 Precision current bridge source Instrumentation amplifier Collector current switch source Microcontroller AC/DC driver Z-meter functional scheme ver.

  • Page 14: System Requirements

    PromLegion Ltd Z-Meter DX4190/ User Guide The description of the measurement processes is in Section 9 Measuring Processes. 2.5. System Requirements The Z-Meter works under the control of the program "Z-Meter". The program "Z-Meter" provides all possible operational modes of the Z- Meter.

  • Page 15: Working With Z-Meter

    Z-Meter DX4190/ User Guide PromLegion Ltd WORKING WITH Z-METER 3.1. Getting Ready Make sure that the switch on the front of the measuring unit is turned off. Using the power cable, plug in the measuring unit to the supply voltage.
  • Page 16 PromLegion Ltd Z-Meter DX4190/ User Guide If you want to use the testing unit, connect the appropriate connectors of the measuring unit and the testing one by the flat measuring cables. The corresponding connectors are marked similarly: "1…5" and "6…10".

  • Page 17: Drivers Installation

    Z-Meter DX4190/ User Guide PromLegion Ltd 3.2. Drivers Installation For the device operation, a driver should be installed. The latest driver, depending on the Windows version of the operating system found http://www.ftdichip.com: http://www.ftdichip.com/Drivers/D2XX.htm. You can see the installation procedure for a specific version of Windows in the documents linked to the following webpage http://www.ftdichip.com/Support/Documents/InstallGuides.htm.
  • Page 18 PromLegion Ltd Z-Meter DX4190/ User Guide There should appear USB Serial Converter in the Windows Device Manager. Important! For the proper operation of the program tick off the virtual COM port in the properties of USB Serial Converter in the tab "Advanced".

  • Page 19: Software Installation

    Z-Meter DX4190/ User Guide PromLegion Ltd 3.3. Software Installation The program is distributed in the form of the installation file ZMeterXsetup.exe. As the program is designed to control multichanel Z-meters of different types, the name of the device may be "DX4165".
  • Page 20 PromLegion Ltd Z-Meter DX4190/ User Guide During the installation you will be offered options of direction that can be changed according to your preferences. When choosing the disk, bear in mind that the program requires 20 MB free hard drive space (additional space may be required later as your database is growing.

  • Page 21: Te Modules Handling

    Z-Meter DX4190/ User Guide PromLegion Ltd 3.4. TE Modules handling 3.4.1. Preparations Before measuring, it is necessary to keep the Z-Meter and tested TE modules during one hour at room temperature. Attention! If Z-Meter was outdoors at low temperature for a long time (temperature below +10°C), it is necessary to keep...
  • Page 22 PromLegion Ltd Z-Meter DX4190/ User Guide If the testing unit is used, open the cover and connect your TEC to the terminals. Mind the correct polarity. Close the cover. page 22 of 62 ver.1.11 (2016)

  • Page 23: Software

    Z-Meter DX4190/ User Guide PromLegion Ltd SOFTWARE 4.1. Introduction Before running the Program, the device should be switched on. Run the program "Z-Meter". Corrections/ coefficient field Dynamics field Control field Program main window and its structure If the device is properly plugged in and the program has found it, the status bar will show the device ID: ver.

  • Page 24: Main Window

    PromLegion Ltd Z-Meter DX4190/ User Guide If for some reason the program failed to discover the device, in the status bar the information "Not found" will appear. In this case make sure the device is rightly powered and plugging into the PC is correct. Check if the USB drivers have been properly installed and rescan the device (File->Rescan Device):...
  • Page 25 Z-Meter DX4190/ User Guide PromLegion Ltd TEC Base Editor. TEC Base Editor allows editing the TE modules data banks (see “Database Update”). • "History" Show - displays or hide the History window. New - creates a new history. Load - downloads the history from the history file.
  • Page 26 PromLegion Ltd Z-Meter DX4190/ User Guide • "Options" Resistance mode - allows measuring TE module resistance only. TEC base allows selecting a TE modules data base of a manufacturing company. Cooler type allows selecting a system type to be measured (a single-stage TE module;...

  • Page 27: Reference" Bar

    Z-Meter DX4190/ User Guide PromLegion Ltd 4.2.2. "Reference" Bar There are two fields in the Reference bar. The field "Cooler type ID" gives a list box for selecting a TE module type to be tested. ���� ∆���� ������������ The field "Reference T" serves for the reference temperature input.

  • Page 28: Functional Fields

    PromLegion Ltd Z-Meter DX4190/ User Guide 4.2.3. Functional Fields There are four functional fields in the main window (Section 4.1): • "Control Field" presents the following measuring parameters: electric current, total time of measurement, time step. The button "Measure" starts the measuring procedure.
  • Page 29 Z-Meter DX4190/ User Guide PromLegion Ltd • "Corrections Field" contains calculated corrections values (see Chapter 6.3). ���� It allows switching a certain correction ON or OFF. As an alternative it provides a general coefficient (see Section 6.3.3). For this coefficient calculation it is possible to choose one of the...
  • Page 30 PromLegion Ltd Z-Meter DX4190/ User Guide ∆���� ������������ Maximum temperature difference of the TE module ���� (for two polarities and averaged); Time constant of the TE module (for two polarities and averaged). While TE modules are being tested there can be a situation when a TE module line in the Results field is colored red.

  • Page 31: Ac Resistance Measurement

    Z-Meter DX4190/ User Guide PromLegion Ltd Make your measuring electric current lower and retry the test. 4.3. AC Resistance Measurement For measuring AC electrical resistance only (of a TE module or a resistor) it is necessary to choose Resistance Mode in the menu "Options".
  • Page 32 PromLegion Ltd Z-Meter DX4190/ User Guide command "File"-"TEC Base Editor". RMT is the default TE modules base. The following window reports that one or more parameters of the TE module selected is/are absent: If a necessary TEC type is absent in the list, you should introduce the TE module parameters to the database manually (see Chapter "Database Update").

  • Page 33: Correction Coefficients

    Z-Meter DX4190/ User Guide PromLegion Ltd module type is "Default"). 4.4.3. Correction Coefficients А With all TEC parameters available, the corrections as well as their equivalent coefficient are taken into account by default (see Equation 6.3.3.1). It is possible to switch this or that correction on/off with the help of corresponding radio button pairs on the "Corrections"...

  • Page 34: Te Module Polarity Verification

    PromLegion Ltd Z-Meter DX4190/ User Guide average thickness area of the TE module - header contact. Attention! The temperature of a TE module changes slightly owing to hands touching. Besides, the measuring procedure induces a slight TE module average temperature increasing.

  • Page 35: Te Modules Database Update

    Z-Meter DX4190/ User Guide PromLegion Ltd The time of the heating can be set manually. To do that it is necessary to select the menu item "Option->Heater->Heating Period". The following window pops up. One can set the heating period in it (in seconds).
  • Page 36 PromLegion Ltd Z-Meter DX4190/ User Guide Choose a database you want to edit (see the figure above). Select the "File" - "TEC Base Editor" command from the "Main" menu. The window titled "Add TE cooler" will appear as shown below.

  • Page 37: Measuring In Temperature Range

    MEASURING IN TEMPERATURE RANGE ���� = ����(����℃) ���� = ����(����℃) �������� = ����(����℃) Using the Z-meter DX4190 with the thermostat DX2100 (an option) ���� = ����(����℃) allows you to obtain the dependence of the measured values on the temperature. These are .

  • Page 38: Additional Tools

    PromLegion Ltd Z-Meter DX4190/ User Guide For the connection to Z-meter, use the thermostat chamber cover with probes: Connect the ribbon cable from the cover to the Z-Meter terminal with channels 6…10. Switch on the Z-meter and thermostat. 5.2. Additional Tools Select the item "Fan"...
  • Page 39 While the thermostat is achieving the set point, the fan driven by the Z-Meter DX4190 works in the chamber (in the cover). It makes convection more effective and temperature distribution even. Before starting the measurement of thermoelectric coolers the fan is turned off.
  • Page 40 PromLegion Ltd Z-Meter DX4190/ User Guide Set the desired values of stabilization time: "Setpoint stabilization" is the time to wait after the thermostat set point achieved to start the measurement. It ensures minimum fluctuations of air temperature in the chamber after the start of measurements.
  • Page 41 Z-Meter DX4190/ User Guide PromLegion Ltd Adding and editing a number of set points at which it is supposed to perform measurements is carried out using the buttons "Add", "Edit", "Remove", and "Clear All". Add necessary measurement points: If the thermostat is in the local mode, press the button "Ok".
  • Page 42 PromLegion Ltd Z-Meter DX4190/ User Guide To switch the thermostat to the operational mode under the PC control, press the function key "F2" on the DX2100 control panel. page 42 of 62 ver.1.11 (2016)

  • Page 43: Measurement

    Z-Meter DX4190/ User Guide PromLegion Ltd LEFT RIGHT DOWN START STOP 5.3. Measurement Select an appropriate type of modules and correct the measurement parameters, if necessary (current, measuring time and telemetry period – time step): Press the button "Measure": ver. 1.11 (2016)
  • Page 44 PromLegion Ltd Z-Meter DX4190/ User Guide The thermostat starts temperature control: • From the lower set point; • Indication is displayed in the field "Progress"; • When the set point is settled, thermoelectric module measurement is started; • Entire measurement cycle is automated;...
  • Page 45 Z-Meter DX4190/ User Guide PromLegion Ltd ver. 1.11 (2016) page 45 of 62...

  • Page 46: Theoretical Groundings

    PromLegion Ltd Z-Meter DX4190/ User Guide After the end of the measuring procedure, the results can be viewed by clicking on the button "Report": The generated report can be saved, exported to various formats or printed. THEORETICAL GROUNDINGS 6.1. Time Constant Measuring ����...
  • Page 47 Z-Meter DX4190/ User Guide PromLegion Ltd module. The differential equation describing transient dynamics for a pellet of the TE module can be presented as the following exponential superposition: ∞ ∆���� ( ����, ���� ) = � ���� ( ���� ) ����...

  • Page 48: Interpolation Results

    PromLegion Ltd Z-Meter DX4190/ User Guide ���� ���� - TE material thermal conductivity, ���� - TE module pellets number, ���� - pellets height, ���� - pellets cross-section, ���� - electric current density. As Eq. (6.1.3) shows, calculation is stumbling because in practice the values involved are never known with accuracy required.

  • Page 49: Xd835;���

    Z-Meter DX4190/ User Guide PromLegion Ltd Measuring window of TEC dynamics The obtained experimental data is then fitted by the following function: ( ���� ) = ���� ���� (1 − ���� −���� ���� � ���� �������� ���� (6.2.2) ���� ����...
  • Page 50 PromLegion Ltd Z-Meter DX4190/ User Guide thermophysical measurements. This approach is based on the ���� Harman method. The Figure-of-Merit is one of most important parameters of a TE ���� module. In a simplified form it may be defined as: ���� = ��������...
  • Page 51 Z-Meter DX4190/ User Guide PromLegion Ltd ���� ���� - heat exchange coefficient for the cold side, ���� ′ - heat exchange coefficient for the hot side, - efficient thermal conductance of a pellet allowing for additional heat fluxes between the pellets.

  • Page 52: Two-Stage Te Module

    PromLegion Ltd Z-Meter DX4190/ User Guide ���� ����ℎ ���� ���� ���� ���� The value is the correction for additional heat flux between the pellets; is the correction for leading wires electric resistance; the correction allowing for inequality of the TE module average ����...
  • Page 53 Z-Meter DX4190/ User Guide PromLegion Ltd ���� �������� ���� − ���� ���� − ���� ���� − ���� (���� − ���� ⎧ ′ ���� ���� ⎪ ���� ⎪ �������� ���� ���� ���� − ���� ���� − ���� ���� − ���� ⎪...

  • Page 54: Alternative Correction

    PromLegion Ltd Z-Meter DX4190/ User Guide ���� we obtain: ���� = (1 + ���� + ���� + ���� � � ���� ���� ���� ����ℎ ���� ���� ���� ���� (6.3.2.5) �������� Attention! In real testing Eq. (6.3.2.4) is not rigorous, and ����...
  • Page 55 Z-Meter DX4190/ User Guide PromLegion Ltd ���� ���� periodically (with 50% duty circle) reverses a circuit of the reference current . The “Commutator’s” simplified diagram is shown below. ⁄ ���� ���� = 4.096 V ���� ���� If there is no input signal, the output voltage of the instrumentation...

  • Page 56: The And Telemetry

    PromLegion Ltd Z-Meter DX4190/ User Guide ∑ (���� − ���� ���� ���� = �������� �������� ����=1 2���� ���� ���� (7.1.1) ���� ���� ���� where ���� ���� voltage gain of the instrumentation amplifier; - total number of readouts per measurement. ����...

  • Page 57: Voltages For Testing

    Z-Meter DX4190/ User Guide PromLegion Ltd ���� ���� ���� 7.3. Voltages for Testing ���� ���� ���� Equations (7.1.5) and (7.2.5) contain both . These are the voltage values referred to the time at which the process becomes ���� steady. ����...

  • Page 58: Maintenance

    PromLegion Ltd Z-Meter DX4190/ User Guide ���� � ���� (���� ���� ���� ���� (7.4.1) ����≥ ( ����−10 ) ���� > ���� If the TEC polarity is right: ′ ���� ���� (7.4.2) ���� < ���� In case of the polarity confused: ′...
  • Page 59 Z-Meter DX4190/ User Guide PromLegion Ltd ver. 1.11 (2016) page 59 of 62...
  • Page 60 PromLegion Ltd Z-Meter DX4190/ User Guide page 60 of 62 ver.1.11 (2016)
  • Page 61 Z-Meter DX4190/ User Guide PromLegion Ltd ver. 1.11 (2016) page 61 of 62...
  • Page 62 PromLegion Ltd Z-Meter DX4190/ User Guide Overseas Sales representative PromLegion Ltd. TEC Microsystems GmbH 46 Warshawskoe shosee Schwarzschildstrasse 8 Moscow 115230 Russia Berlin 12489, Germany e-mail: info@promln.com phone: +49-(0)30-6789-3314 phone: +7-499-678-3231 fax: +49-(0)30-6789-3315 fax: +7-499-678-3258 e-mail: info@tec-microsystems.com website: www.promln.ru website:www.tec-microsystems.de page 62 of 62 ver.1.11 (2016)

Table of Contents