PL Engineering DX4085 Bedienungsanleitung

Moscow, 2020

version 1.02

Z-METER DX4085

USER GUIDE

PL Engineering Ltd

PL Engineering Ltd Z-Meter DX4085/ User Guide

page 2 of 63 ver.1.02 (2020)

Edition February 2020

Reproduction in any manner, in whole or in part is straightly

prohibited without written permission of PL Engineering Ltd.

The information contained in this document is the subject to change

without notice.

Z-Meter DX4085/ User Guide PL Engineering Ltd

ver. 1.02 (2020) page 3 of 63

WARRANTY

PL ENGINEERING 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 PL ENGINEERING’s publicly

available specification for a period of one (1) year after date of the Z-

Meter was purchased.

PL ENGINEERING LLC also provides a 3-month warranty for the

following parts and components included in the standard delivery set

of the product: the cables, program disks and documentation

If the Z-Meter fails during the warranty period PL ENGINEERING will

repair the Z-Meter or replace it or its parts.

For the warranty support a Consumer can address to the office of the

company PL ENGINEERING or its sales representative.

The product repaired or replaced in whole or in part, will have the

warranty period counted as one (1) year from initial shipment but not

less than 3 months upon shipping of repair or replacement.

TECHNICAL SUPPORT

For the technical support and repair within and after the warranty

period, please, address:

In Russia and CIS

PL Engineering Ltd.

46 Warshawskoe shosse, Moscow 115230, Russia

Tel: +7-499-678-3231

Fax: +7-499-678-3258

e-mail: info@promln.com

In Europe, the USA and other countries

TEC Microsystems GmbH.

Schwarzschildstrasse 8, Berlin 12489, Germany

Phone: +49-(0)30-6789-3314

Fax: +49-(0)30-6789-3315

e-mail: info@tec-microsystems.com

PL Engineering Ltd Z-Meter DX4085/ User Guide

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CONTENTS

Warranty .......................................................................................... 3

Technical support ........................................................................... 3

1. Introduction ................................................................................. 7

2. Technical characteristics ........................................................... 9

2.1. Specifications 9

2.2. Delivery Kit 10

2.3. Design overview 11

3. Preparations for working ......................................................... 12

3.1. Charging battery 12

3.2. Connections 13

3.3. TE module connections 15

3.4. Device power ON and power OFF 15

4. Device interface ........................................................................ 16

4.1. Navigations 16

4.2. Operation modes 17

4.3. Selection of operation mode 17

4.4. Main Mode 18

4.4.1. Set of measuring parameters 19

4.4.2. Measurements 20

4.5. Measurement of AC Resistance 22

4.6. Measurement of operating voltage and temperature 24

5. Additioonal messages .............................................................. 25

6. Worwing with remote computer .............................................. 26

6.1. System Requirements 26

6.2.

Drivers Installation 26

6.3. Software Installation 27

6.4. Getting Ready 27

6.5. Measurements 28

6.5.1. Run the “Z-Meter II” software 28

6.5.2. TE Modules Connection 30

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6.5.3. Make the pre-sets for measurements 30

6.5.4. Measurements 32

6.5.5. Measurement results 33

7. Software ..................................................................................... 35

7.1. Introduction 35

7.2. Main Window 35

7.2.1. Menu Bar 36

7.2.2. Reference Bar 36

7.2.3. Functional Fields 37

7.3. Measurement Presets 39

7.3.1. Temperature Setting 39

7.3.2. TE Module Type 40

7.3.3. Correction Coefficients 41

7.3.4. Package Thermal Resistance 41

7.4. Measurement Procedure and Notes 42

7.5. History 44

7.5.1. File 44

7.5.2. Options 45

7.5.3. Report 45

7.6. TE Modules Database Update 46

8. Maintenance ............................................................................. 48

9. Appendix 1. theoretical groundings ....................................... 50

9.1. Time Constant 50

9.2. Interpolation Results 51

9.3. Figure-of-Merit Z 53

9.3.1. Single-stage TE Module 𝒁 53

9.3.2. Two-stage TE Module 𝒁 55

9.3.3. Alternative Correction 57

10. Appendinx 2. Measuring Processes ................................ 57

10.1. AC Resistance 57

10.2. The 𝑼 and 𝑼𝜶 Telemetry 59

10.3. Voltages for Testing 𝒁 59

PL Engineering Ltd Z-Meter DX4085/ User Guide

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Z-Meter DX4085/ User Guide PL Engineering Ltd

ver. 1.02 (2020) page 7 of 63

1. INTRODUCTION

The portable Z-Meter

provides measurement

of performance and

operational operating

parameters of

thermoelectric (TE)

modules. It can

measure operation and

performance of

thermoelectric cooling

modules, thermoelectric generators, and thermoelectric sensors.

The performance parameters are the following:

 AC Resistance (𝑅),

 Figure-of-Merit (𝑍),

 Time Constant (



 Maximum Temperature Difference (∆𝑇).

Maximal temperature difference ∆𝑇 only for single stage TECs.

Because of direct correlation with Figure of Merit is calculated within Harman

method approximations.

Additionally new functionality of this device in the family of Z-meters –

measurement of operating parameters of TECs:

 Operating voltage (𝑈),

 Working temperature (𝑇 or 𝑇 ).

Measurements of temperature can be used for evaluation of cooling

temperature of working TEC (𝑇) if thermal sensor is placed on TEC

cold side. Or to measure ambient temperature (𝑇)of performance

measurements – if to place near TEC.

The Z-Meter provides testing of various types of single- and two-

stage TE modules. It is possible to evaluate quality of more-stage TE

modules by the measurement of electrical resistance.

The parameters are measured at the ambient temperature 𝑇. The Z-

Meter provides recalculation of 𝑅 and ∆𝑇 to another temperature

value from the Ta vicinity.

PL Engineering Ltd Z-Meter DX4085/ User Guide

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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

 Express testing

performance of single stage

and multi-stage

thermoelectric modules.

 Testing performance of TE

modules integrated into

optoelectronic devices

(photodetectors, lasers

etc.).

 Operating parameters

measurements.

 Compatible with other Z-

Meters of PL Engineering

Devices Family.

FEATURES

 .Portable device. Metal

housing.

 Measurement at direct and

reversed current.

 Results normalization to

standard temperatures.

 Low power consumption.

 Long autonomous

operation.

Z-Meter DX4085/ User Guide PL Engineering Ltd

ver. 1.02 (2020) page 9 of 63

2. TECHNICAL CHARACTERISTICS

2.1. Specifications

Parameters U

nits Values

Electrical Resistance

𝑅

Range

0.1...100

Accuracy

0.6 (but>0.01Ohm)

Repeatability

0.3

Figure-of-Merit

𝑍

Range 1

0-3/K

1...3

Accuracy

1.5

Repeatability

0.4

Time Constant

𝜏

Range s

1...100

Accuracy

1.5

Repeatability

Voltage (DC)

Range V

-20…+20

Accuracy V

0.02

Temperature Sensor

Range °

-40...+85

Accuracy °

±0.25 (typical)

±1 (maximum)

+0.05 (typical) lifetime drift

Repeatability °

±0.06

Power Supply

Build-in battery Li-

ion

3.7 (2050mAh)

Power Supply

PL Engineering Ltd Z-Meter DX4085/ User Guide

page 10 of 63 ver.1.02 (2020)

Parameters U

nits Values

AC Voltage V

110...240

Frequency H

z 50/60

Voltage DC

Power (max)

Operational Conditions

Temperature range °

+15...+35

Humidity

0...95

Storage

Temperatures range °C -20…+60

Humidity % 5…95

Mechanical Parameters

General Unit

Dimensions

70х160х21

Mass g

280

2.2. Delivery Kit

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