LCR40 User Guide November 2021 – Rev 7
Page 2
Want to use it now?
We understand that you want to use your LCR40 right now.
The unit is ready to go and you should have little need to refer to
this user guide, but please make sure that you do at least take a
look at the very important notices on page 4!
Contents Page
Introduction ......................................................................... 3
Important Notices ................................................................ 4
Using your LCR40 ............................................................. 5
Normal use .................................................................... 5
Probe compensation ....................................................... 6
Testing Inductors ................................................................. 7
Testing Capacitors ............................................................... 8
Testing Resistors ............................................................... 11
Low Resistance and Inductance................................... 11
Taking care of your LCR40 .............................................. 12
Battery Replacement.................................................... 12
Self Tests ..................................................................... 13
Appendix A – Accessories ................................................ 14
Appendix B – Component Identification .......................... 15
Appendix C – Technical Specifications ............................ 17
Appendix D – Troubleshooting ......................................... 18
Appendix E – Statutory Information ................................. 20
This user guide has been written to accompany the LCR40 meter with
revision 3.72 firmware. Other revisions of firmware may differ in operation,
features and specifications. The firmware version is displayed briefly upon
power-up.