PromLegion DX4085 User Manual
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PromLegion DX4085 User Manual

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PromLegion Ltd.
Z-METER DX4085
USER GUIDE
Moscow, 2017
version 1.00

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  • Page 1 PromLegion Ltd. Z-METER DX4085 USER GUIDE Moscow, 2017 version 1.00...
  • Page 2 Edition April 2017 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 64...

  • Page 3: Warranty

    Z-Meter DX4085/ 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 DX4085/ User Guide CONTENTS WARRANTY TECHNICAL SUPPORT CONTENTS 1. INTRODUCTION 2. TECHNICAL CHARACTERISTICS 2.1. Specifications 2.2. Delivery Kit 2.3. Design overview 3. PREPARATIONS FOR WORKING 3.1. Battery change 3.2. Connections 3.3. TE module connections 3.4. Device power ON and power OFF 4.
  • Page 5 Z-Meter DX4085/ User Guide PromLegion Ltd 6.5.5. Measurement results 7. SOFTWARE 7.1. Introduction 7.2. Main Window 7.2.1. Menu Bar 7.2.2. Reference Bar 7.2.3. Functional Fields 7.3. Measurement Presets 7.3.1. Temperature Setting 7.3.2. TE Module Type 7.3.3. Correction Coefficients 7.3.4. Package Thermal Resistance 7.4.
  • Page 6 PromLegion Ltd Z-Meter DX4085/ User Guide page 6 of 64 ver.1.00 (2017)

  • Page 7: Introduction

    Z-Meter DX4085/ User Guide PromLegion Ltd INTRODUCTION The portable Z-Meter provides measurement performance operational operating parameters thermoelectric (TE) modules. measure operation and performance thermoelectric cooling modules, thermoelectric generators, and thermoelectric sensors. ���� The performance parameters are the following: ���� •...
  • Page 8 PromLegion Ltd Z-Meter DX4085/ User Guide With the device it is also possible to test thermoelectric generators and sensors: voltage at thermoelectric generator (TEG) provided by temperature difference; response of thermoelectric heat flux sensor ADVANTAGES FEATURES  Express testing performance ...

  • Page 9: Technical Characteristics

    Z-Meter DX4085/ 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 Voltage (DC) Range -20…+20 Accuracy 0.02...

  • Page 10: Delivery Kit

    PromLegion Ltd Z-Meter DX4085/ User Guide Parameters Units Values Operational Conditions Temperature range °С +15...+35 Humidity 0...95 Storage Temperatures range °C -20…+60 Humidity 5…95 Mechanical Parameters General Unit Dimensions 70х160х21 Mass 2.2. Delivery Kit 1 pc. Z-meter unit 1 pc.

  • Page 11: Design Overview

    Z-Meter DX4085/ User Guide PromLegion Ltd 2.3. Design overview Portable design. Aluminum metal housing. Large screen 2.4 TFT. Built-in Li-ion battery provides 8 hours of continuous operation during a day. Option of working with remote computer and common software for Z- meter family.

  • Page 12: Preparations For Working

    PromLegion Ltd Z-Meter DX4085/ User Guide PREPARATIONS FOR WORKING Before very first use of the device we recommend to change battery of the device to 100%. Details are in chapter “Battery charge procedure” Before routine switch ON the device connect the measuring probes and external temperature sensor –...

  • Page 13: Connections

    Z-Meter DX4085/ User Guide PromLegion Ltd Connect cable to USB port of device and other connector to AC-DC adaptor. Changing status is placed in to top-right of status line and the main screen. Additionally LED near USB port indicate status of charging.
  • Page 14 PromLegion Ltd Z-Meter DX4085/ User Guide Connection of measuring probes Connection of temperature sensor Attention! connect disconnect external temperature sensor during device is ON. page 14 of 64 ver.1.00 (2017)

  • Page 15: Te Module Connections

    Z-Meter DX4085/ User Guide PromLegion Ltd Note! If temperature sensor is not connected then all following measurements related standard temperature – default value 300K. 3.3. TE module connections Examining TEC must be contacted to working devices by measuring probes and (in particular case) – with external temperature sensor.

  • Page 16: Device Interface

    PromLegion Ltd Z-Meter DX4085/ User Guide Attention! Dump is possible in any status of device if to push the power button for 5 seconds. . DEVICE INTERFACE Device main windows onto 2.4’ TFT screen consists of three areas: top status string; large working area and bottom command string connected with command buttons.

  • Page 17: Navigations

    Z-Meter DX4085/ User Guide PromLegion Ltd 4.1. Navigations Interface navigations provided by command buttons. Their functions are indicated by bottom command string. 4.2. Operation modes The device provides the following modes of operation: • Main Mode - measurement of TEC performance parameters...
  • Page 18 PromLegion Ltd Z-Meter DX4085/ User Guide MAIN MODE -> RESISTANCE MODE-> OPERATING MODE. Note! Main mode is default on device switch ON. page 18 of 64 ver.1.00 (2017)

  • Page 19: Main Mode

    Z-Meter DX4085/ User Guide PromLegion Ltd 4.4. Main Mode Main mode provides measurement of thermoelectric module ���� performance parameters. ���� • AC Resistance ( • Figure-of-Merit ( ∆���� τ • Time Constant ( ������������ • Maximum Temperature Difference ( This is relatively long procedure takes up to minute or more.
  • Page 20 PromLegion Ltd Z-Meter DX4085/ User Guide Time step between measuring points. Set of the parameters are provided by use one command button <SETUP>. Press the button and retrieve setting windows of the above mentioned parameters one by one. Select required value by buttons “<” and “>”.

  • Page 21: Measurements

    Z-Meter DX4085/ User Guide PromLegion Ltd 4.4.2. Measurements Start measurement cycle by button <START>. The measurement cycle is relatively long. It takes tens of seconds (selected total measuring time). Colored bar at the bottom of screen indicates progress of the measurements –...

  • Page 22: Measurement Of Ac Resistance

    PromLegion Ltd Z-Meter DX4085/ User Guide 4.5. Measurement of AC Resistance Note! Make sure that before the testing thermoelectric module is correspondingly connected to measuring probe and external temperature sensor is placed correctly – see chapter “TE module connections”. Select measurement mode by command button <MODE>...
  • Page 23 Z-Meter DX4085/ User Guide PromLegion Ltd Start the measurement by button <START>. Result will be indicated with two values: • Top value – AC resistance measured as is at ambient temperature measured by temperature sensor. • The bottom value – recalculated AC resistance to standard reference temperature 27°C (300K).

  • Page 24: Measurement Of Operating Voltage And Temperature

    PromLegion Ltd Z-Meter DX4085/ User Guide 4.6. Measurement of operating voltage and temperature This is useful mode which provides measurement of operating voltage at thermoelectric modules. It is important information for testing of: • Operating voltage of thermoelectric cooling module in an application.

  • Page 25: Additioonal Messages

    Z-Meter DX4085/ User Guide PromLegion Ltd ADDITIOONAL MESSAGES In the resistance measurement mode. Measured resistance is high and comes out of specification Measured resistance is low and comes out of specification At switch ON the device The temperature sensor is not found (not...

  • Page 26: Worwing With Remote Computer

    PromLegion Ltd Z-Meter DX4085/ User Guide WORWING WITH REMOTE COMPUTER The device has option of connecting with computer and measuring on operating software. The operating software provides some additional useful options of measuring: • storage of measurement results, • use of database of known thermoelectric modules.

  • Page 27: Software Installation

    Z-Meter DX4085/ User Guide PromLegion Ltd Manager after successful installation. 6.3. Software Installation Insert the CD/flash to a PC and start the Setup program. The window of the standard Windows installer will appear – see below. Click “Install” and proceed according to the installer directions.

  • Page 28: Measurements

    PromLegion Ltd Z-Meter DX4085/ User Guide Connect Z-meter to USB port of your PC. To select this operation mode press command button <MODE> for about 5 seconds. Connect by microUSB cable the device with USB port of computer. 6.5. Measurements 6.5.1.
  • Page 29 USB driver installation procedure if required (see 6). The main window will appear: Important! TEC polarity check option must be switched off (See “Software”). The Z-Meter type DX4085 does not support the option. ver. 1.00 (2017) page 29 of 64...

  • Page 30: Te Modules Connection

    PromLegion Ltd Z-Meter DX4085/ User Guide 6.5.2. TE Modules Connection Connect your TEC firmly as shown below. Ensure minimum possible air convection in the area of measurement. It is recommended to place the TEC as close to the Z-meter as possible keeping internal chamber opened.
  • Page 31 Z-Meter DX4085/ User Guide PromLegion Ltd In the case software will extract default corrections factors for the particular TEC type in the field of corrections If type is unknown then the state is “Default”. If the TEC type is not listed into software database one can stay correction coefficient as 1 (One), or to set own corrections coefficients if they are known of can be calculated.

  • Page 32: Measurements

    PromLegion Ltd Z-Meter DX4085/ User Guide beginning. Time of measurement Set the total measurement time. Recommended value – more than 5…6 of time constant of the TEC. If the value is unknown set stay default – 10 second for the beginning.

  • Page 33: Measurement Results

    Z-Meter DX4085/ User Guide PromLegion Ltd After two curves appear (direct and reversed current measurement) the software will calculate all measured parameters TECs and Z-meters must be kept at ambient conditions expected during tests for at least of one hour before any measurement.
  • Page 34 PromLegion Ltd Z-Meter DX4085/ User Guide "History" file on a default printer. Submenu "Export" will help you to keep a «History» file in various formats: More detailed descriptions of working with results and with software are described in Article – “Software”...

  • Page 35: Software

    Z-Meter DX4085/ User Guide PromLegion Ltd SOFTWARE 7.1. Introduction The Z-meter must be plugged-in to PC before running the Program. The following windows will be displayed one after another in case you run Z-meter program for the first time, see below: If the “DEVICE NOT FOUND”...

  • Page 36: Menu Bar

    PromLegion Ltd Z-Meter DX4085/ User Guide Its functional structure is the same for three Z-Meter measurement options: • Single-stage TE module; • Single-stage TE sub-mount; • Two-stage TE module. 7.2.1. Menu Bar There are four items in the Menu bar.

  • Page 37: Functional Fields

    Z-Meter DX4085/ User Guide PromLegion Ltd The field "Cooler type ID" allows selecting a TE module type to be tested. ���� ∆���� ������������ The field "Reference T" serves for the reference temperature input. The values displayed will be recalculated to this temperature. The temperature step is 0.1 K.
  • Page 38 PromLegion Ltd Z-Meter DX4085/ User Guide • Dynamics field depicts the chart window of the Seebeck voltage Uα(t) temporal behavior telemetry. It also indicates obtained values of: Time constants at different current polarities, Z at different current polarities • ����...

  • Page 39: Measurement Presets

    Z-Meter DX4085/ User Guide PromLegion Ltd Default - using of the calculated corrections (only for the TE modules fully described in the database); Manual - using a User's own coefficient value A, manually inputted; None – no use of any correction.

  • Page 40: Te Module Type

    Cooler Type". Note if no option is chosen, corrections are set zero. Choose the type of a TE module from the "Cooler type ID" list. PROMLEGION is the default TE modules base. Other databases may be found/selected following "File"->"TEC Base Editor".

  • Page 41: Correction Coefficients

    Z-Meter DX4085/ User Guide PromLegion Ltd Cooler Type” field will change to DEFAULT in this case. 7.3.3. Correction Coefficients With all TEC parameters available, the corrections as well as their equivalent coefficient А are taken into account by default (see Equation 5.3.3.1).

  • Page 42: Measurement Procedure And Notes

    TE module. Note the last case is hardly possible in practice according to PROMLEGION’s experience. Therefore, open circuit is more likely the reason. Double-check the terminals for proper contacting TEC. Retry measuring. Occurring of the message indicates on TE module page 42 of 64 ver.1.00 (2017)

  • Page 43: History

    Z-Meter DX4085/ User Guide PromLegion Ltd failure/malfunction. Attention! Selection of a too higher TEC control current (see the Main Window) may result in exceeding of a full scale of ADC used. The message as shown below will be generated automatically. In such a case, select the value recommended for measurements and try again.
  • Page 44 PromLegion Ltd Z-Meter DX4085/ User Guide The history file is created in the "/History" folder of the "/Z-meter" directory during every measuring session after the first successful measurement. ("Measuring session" means the period between the first successful measurement and the program exit).

  • Page 45: Options

    Z-Meter DX4085/ User Guide PromLegion Ltd records will be copied on a printer under the "Print" command. The marking/unmarking is performed with the mouse left button click on the appropriate field. The default record state is "Marked". 7.5.2. Options If menu item "Auto Save" is checked, the "History" file will be saved automatically.

  • Page 46: Te Modules Database Update

    PromLegion Ltd Z-Meter DX4085/ User Guide The example of Preview Report is shown below. 7.6. TE Modules Database Update If the parameters of any TE module are not available in the database, you can add them by yourself. The full set of parameters consists of: TE module cold and hot sides dimensions;...
  • Page 47 Z-Meter DX4085/ User Guide PromLegion Ltd Leading wires cross-section. Choose the database you want to change (see the figure above, example only). Select the "File" -> "TEC Base Editor" command from the "Main" menu. The window titled "Add TE cooler" will appear.

  • Page 48: Maintenance

    PromLegion Ltd Z-Meter DX4085/ User Guide The contents of "Cooler ID" field are not used for calculations. You can fill any information in this field. You can also edit or delete a TE module existing in the database. To do it just select the TE module, make appropriate changes in the data and click on the "Add/Modify"...
  • Page 49 Z-Meter DX4085/ User Guide PromLegion Ltd Compare the data obtained. If the difference in the resistance values is within 0.5%, the Z-Meter can be further used for measurements. ver. 1.00 (2017) page 49 of 64...

  • Page 50: Appendix 1. Theoretical Groundings

    PromLegion Ltd Z-Meter DX4085/ User Guide APPENDIX 1. THEORETICAL GROUNDINGS 9.1. Time Constant ���� ���� Let us consider a single-stage TE module. The ambient temperature . At a certain moment electric current is applied to the module. The differential equation describing transient dynamics for a pellet of...

  • Page 51: Interpolation Results Single-Stage Te Module ����

    Z-Meter DX4085/ User Guide PromLegion Ltd �������� ���� ���� = ������������ (���� + ���� ) �1 + � ���� ���� ���� ���� (5.1.3) ���� ���� Where ���� - TE module cold side and hot side heat capacities, ���� - TE material Seebeck coefficient, ����...
  • Page 52 PromLegion Ltd Z-Meter DX4085/ User Guide ���� ∆���� ∆���� �������� ���� ∆���� Note! TE module time constant is the time during which TE �������� module temperature difference grows from 0 to 0.63 is steady state value) at electric current turned on.

  • Page 53: Figure-Of-Merit Z Two-Stage Te Module ����

    Z-Meter DX4085/ User Guide PromLegion Ltd ���� 9.3. Figure-of-Merit Z ���� ���� ∆���� , ����), measured by the Z-Meter 9.3.1. Single-stage TE Module ������������ ���� ���� Among the parameters ( the AC resistance is the only measured directly. The measurement method is described in the Section "AC Resistance ����...
  • Page 54 PromLegion Ltd Z-Meter DX4085/ User Guide ���� ���� - electric current, ���� - electric resistance of a TE module pellet, ���� - TE module cold side temperature, ���� - TE module hot side temperature, ���� ���� - ambient temperature, ����...
  • Page 55 Z-Meter DX4085/ User Guide PromLegion Ltd ���� = ��������(���� − ���� Where ���� ���� = �������� ���� - TEC Seebeck voltage, ���� ���� ���� - TEC Ohmic component of the voltage. ���� ���� �������� The ratio of the voltages in Eq. (5.3.1.5) must be averaged ����...
  • Page 56 PromLegion Ltd Z-Meter DX4085/ User Guide Harman method and can only be regarded as a criterion of an average quality of pellets if certain requirements are met. ���� Here are heat rate equations for a two-cascade TE module: �������� ����...

  • Page 57: Alternative Correction

    Z-Meter DX4085/ User Guide PromLegion Ltd ∆���� = ∆���� (5.3.2.4) ���� we obtain: ���� = (1 + ���� + ���� + ���� � � ���� ���� ���� ����ℎ ���� ���� ���� ���� (5.3.2.5) �������� ���� Attention! In real testing Eq. (7.2.4) is not rigorous, and (7.2.5) is only a relative criterion of a TE module quality.

  • Page 58: Appendinx 2. Measuring Processes

    PromLegion Ltd Z-Meter DX4085/ User Guide 10. APPENDINX 2. MEASURING PROCESSES 10.1. AC Resistance AC resistance is measured by applying a small AC signal to TE ���� module. The AC is generated by a “Commutator” (switch), which ���� periodically (with 50% duty circle) reverses a circuit of the reference current .
  • Page 59 Z-Meter DX4085/ User Guide PromLegion Ltd ���� ���� �������� �������� ���� the positive signal ( ) and negative signal ( ) are used for a TE ∑ (���� − ���� module resistance ( ) calculation by the following formula: ����...
  • Page 60 PromLegion Ltd Z-Meter DX4085/ User Guide Testing current and voltage schematic temporal behavior ���� ���� ���� 10.3. Voltages for Testing ���� ���� Equations (5.3.1.5) and (5.3.2.5) contain both . These are the voltage values referred to the time at which the process becomes ����...
  • Page 61 Z-Meter DX4085/ User Guide PromLegion Ltd Attention! Make sure the measured TE module has reached the steady state. To assess it, the telemetry capability is available (see dynamics window). ver. 1.00 (2017) page 61 of 64...
  • Page 62 PromLegion Ltd Z-Meter DX4085/ User Guide page 62 of 64 ver.1.00 (2017)
  • Page 63 Z-Meter DX4085/ User Guide PromLegion Ltd ver. 1.00 (2017) page 63 of 64...
  • Page 64 PromLegion Ltd Z-Meter DX4085/ 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 64 of 64 ver.1.00 (2017)

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