[[DE-5000 - LCR Meter]] - Annotations for [[DE_5000 English Manual.pdf]] ### Measurement Factors Quality Factor is for Inductive Measurements Dissipation Factor is for Capacitive Measurements ![[Pasted image 20250113073119.png]] The meter can measure the impedance in parallel mode or in series. #### Capacitors For small capacitors, Rp is more important. For large capacitors, Rs is more important. Use parallel mode to measure small capacitors. Use series mode to measure large capacitors. #### Inductors For small inductors, Rp is negligible. For large inductors, Rs is negligible. Use series mode to measure small inductors Use parallel mode to measure large inductors. ### Open/Short Calibration There is an **open/short calibration** process that can be used to reduce parasitic effects of the text fixture on the measurements. ![[Pasted image 20250113073446.png]] `Z_DUT` (*device under test*) - the thing you're trying to measure `Z_M` is what the meter reports `Rs+jwLs` and `Go+jwCo` are parasitic effects that distort the accuracy of the reading. ![[Pasted image 20250113073659.png]] Replacing the Z_DUT with an OPEN lets us read the `GojCo` and a SHORT lets us read the `RsLs` parasitic factors. Once these are known, it is straightforward to calculate the desired `Z_DUT`. I've seen people online suggest that any time you use new connectors/terminals you need to recalibrate/re-zero the device. Which makes sense to me. 5 min APO - Auto Power Off - will beep 3x to let you know. Don't be scared :0 You can plug in a 9V barrel jack and run it corded. APO is automatically disabled when wired. One beep means the button has a function. Two beeps means the button doesn't have a function. #### To run the Open/Short Calibration: 1. Remove any leads or DUT from the meter's native connectors 2. Hold CAL 2 seconds 3. Open Ready 4. Press CAL 5. Wait 30 seconds for PASS/FAIL 6. Press CAL 7. Short Ready 8. Press CAL 9. Wait 30 seconds for PASS/FAIL 10. Press CAL Calibration is now complete and saved to EEPROM ### LCR Auto The meter will analyze the Q (X/R) factor to determine whether to report the DUT as L, C, or R: - If |Q|<0.2, it's a resistor. - If Q > 0.2, it's an inductor. - If Q < -0.2, it's a capacitor. Additionally: - If C < 5pF, secondary display is Rp instead of D - In Auto-R or DCR mode, there is no secondary display #### Terminal Connections DIP components can be placed directly into the + and - sockets. But the TL-21 alligator test lead case is a quieter connection. The tweezers it came with are for measuring SMD components. For extremely high or extremely low impedance ranges, it is recommended to perform the Open/Short Calibration before measurement. It is best practice to always discharge any capacitors before measurement. ### Other Keys #### FREQ Pressing the `FREQ` key will cycle through the 5 test frequencies: 1. 1kHz 2. 10kHz 3. 100kHz 4. 100Hz 5. 120Hz 6. 1kHz Backlight lasts 60 seconds after push. #### SORTING/SETUP/ENTER `SORTING`, `SETUP`, and `ENTER` are disabled in `LCR AUTO` mode. During measurement, press `SORTING` to enable the pass/fail feature. Pass/Fail status is based on whether the impedance measured exceeds the specified tolerance range. When `SORTING` is active, press `SETUP` and the arrow keys to set the *Reference Value, Range, and Tolerance* for Pass/Fail, and then press `ENTER`. I don't believe I have the IR to USB adapter thing that goes on the back. #### D/Q/ESR/Θ `D/Q/ESR/Θ` cycles through the secondary parameters - D - Dissipation Factor - Q - Quality Factor - ESR - Equivalent Series Resistance - Θ - Impedance Angle (X,R) #### SER/PAL `SER/PAL` toggles between Series and Parallel measurement In any of the L,C,R modes, the series or parallel mode will be selected automatically based on the total impedance measured: - If the impedance is more than 100kΩ - Parallel Mode - If the impedance is less than 100kΩ - Series Mode #### REL Relative mode will show the % variance of the current measurement with respect to a reference value. Press `REL` to switch on relative mode and save the current measurement as the reference value `REL% = (DCUR - DREF) / DREF x 100%` Range is -99.9% to +99.9% Hold `REL` 2 sec to exit relative mode #### HOLD Hold will freeze the current reading. Press again to unhold. ### Technical Specs ![[Pasted image 20250113085521.png]] ![[Pasted image 20250113085532.png]] ![[Pasted image 20250113085543.png]]