PromLegion DX4085, User Manual

Page: 19 / 64

Z-Meter DX4085/ User Guide PromLegion Ltd
4.4. Main Mode
Main mode provides measurement of thermoelectric module
performance parameters.
•
AC Resistance (
𝑅𝑅
)
•
Figure-of-Merit (
𝑍𝑍
)
•
Time Constant (
τ
)
•
Maximum Temperature Difference (
∆𝑇𝑇
𝑚𝑚𝑚𝑚𝑚𝑚
)
This is relatively long procedure takes up to minute or more.
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”.
4.4.1. Set of measuring parameters
Measurement parameters are the following:
- Measurement current
- Total time of measurements
ver. 1.00 (2017) page 19 of 64