METRAVON MV-LC0101 is a diaphragm compression load cell for industrial weighing equipment in the 5-300 kg family. The sealed body carries compression through the intended upper contact and supporting base. For a replacement, identify the existing unit rating and measuring circuit before accepting a similar-looking housing. A shared footprint does not establish identical wiring, configuration or installed weighing performance.
Inspect the installed assembly before ordering the replacement
Record the existing capacity, top contact, base drawing, cable exit and reader model. The reference outline is 80 by 80 mm at the base and 52 mm high, with four 6.5 mm holes on a 65 mm square pattern. Compare the complete stack, including any tray or cap that will be retained. Check whether the old connection can be routed without pulling on the sensor or contacting the moving weighing structure. Do not assume the old cable and new unit use the same signal identification.
| Item | Value | Selection notes |
|---|---|---|
| Capacity family | 5-300 kg | Confirm the old and offered ratings rather than matching housing alone. |
| Base pattern | 4 x 6.5 mm on 65 x 65 mm | Reference base size is 80 x 80 mm. |
| Total height reference | 52 mm | Compare the retained loading cap and full support stack. |
| Input / output resistance | 380 / 350 ohms | Input tolerance is +/-5 ohms and output tolerance +/-2 ohms. |
| Operating temperature / protection | -40 to +85 deg C / IP66 | Check termination and surrounding equipment exposure. |
| Excitation / signal | 10-12 V DC / mV/V bridge | The offered connection and polarity must be confirmed. |
Keep calibration adjustments separate from mechanical repairs
If the offered unit has accessible adjustment features, obtain its approved procedure before using them. A span adjustment should not be used to hide a load bypass, rubbing guard or a changed contact point. First compare the empty indication and known compression references with the final attachment fitted. Record the existing reader configuration so that a deliberate calibration change can be distinguished from a wiring or mechanical fault during replacement.
Check the diaphragm compression load cell at 10-12 V excitation
The nominal output is 2.0 +/-0.015 mV/V. A raw bridge still needs excitation and a suitable millivolt reader; the housing does not establish a built-in PLC current-loop output. Confirm the delivered wire or connector identification because the reference colour legend and circuit sketch disagree on the signal-pair polarity. Verify the expected sign with a known load before deciding whether a reversed display is a sensor fault. Use the selected rating and actual calibration data when setting engineering-unit scaling.

Recheck the production load points after replacement
Compare reference loads near the values used for batching, acceptance or inventory decisions, then check return after unloading. Include the relevant container or tooling positions rather than checking only one high central load. The precision entry is 0.05% FS and the listed temperature effect is 0.05% FS per 10 deg C. These entries do not approve every fixture configuration. Keep the normal working load within the selected rating; the 200% FS safe load limit is not an enlarged operating range.
Replacement connections and calibration discipline
Q1. Can a connector-equipped and fixed-cable unit be treated as the same replacement?
Confirm the exact delivered connection, sealing arrangement and signal identification. A matching bridge sensitivity does not establish identical pin assignment or cable routing. Include the mating connector or required cable termination in the scope.
Q2. Should an unstable reading be corrected with the span adjustment?
Investigate contact changes, rubbing, retained preload, cable force and the reader first. Adjustment changes scaling but does not remove a mechanical path that varies with load. Calibrate only after the installation is stable and the prescribed procedure is available.
Q3. Can the 0.5 kg rating of a similar capsule model be assigned to this family?
The documented lower limit for MV-LC0101 is 5 kg. MV-LC0100 has a separate 0.5-300 kg family entry. Obtain the exact low-capacity model and calibration data instead of extending this unit range from a similar photograph.
