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Three-axis load cell price comparisons are unreliable when one offer includes calibrated force channels and another supplies only a sensor body. Define what the acquisition system must receive: separate Fx, Fy and Fz values, their coordinate system, and the calibration information needed to interpret them. A single force reading is not three-axis measurement simply because the assembly can experience loads in several directions.
Check the three-axis model before comparing price
The METRAVON MV-LC0240 page lists Fx, Fy and Fz ratings of 500 kg each and nominal 1 mV/V sensitivity. These catalogue ratings identify a three-direction force candidate, but do not establish simultaneous-load limits, a supplied calibration matrix or the complete acquisition package. Confirm the force-unit convention, excitation and channel wiring with the quotation.
By contrast, the current MV-LC0226 specification describes a supported load pin, despite its older page address. It does not document independent X, Y and Z channels. Use that model only for an appropriate pin-reaction review, not as a presumed substitute for MV-LC0240.
Request an example of the delivered data
Ask each supplier for a channel list and an example output record. Establish whether the device supplies raw bridge signals, conditioned analogue channels or digitally calculated forces. Use the force-component selection review to distinguish the required axes. If cross-axis compensation is required, identify where it is performed and how its calibration coefficients reach the receiving software.
Do not assume three independent single-axis calibrations establish performance under combined loading. Specify the simultaneous force combinations that matter to the fixture and ask what evidence the proposed calibration covers. The allowable loads and the measurement error under those conditions are separate questions.
Three-axis load cell price: compare what arrives with the hardware
| Deliverable | Quotation question |
|---|---|
| Channels | Are three independent forces reported, and how are their positive directions defined? |
| Calibration | Which loads, combinations and cross-axis effects are measured and reported? |
| Electronics | Are excitation, conditioning, acquisition hardware and required software included? |
| Integration | Who applies coefficients, converts units and verifies coordinates after installation? |
A configuration file is useful only if its channel order, units and sensor identity are documented. Request a procedure for loading it and a test dataset with expected results where the proposed system requires software conversion. Replacement sensors may need their own coefficients rather than reuse of the original file.
Questions about the quotation
Q1. Can three ordinary load cells replace one three-axis sensor?
Only through an engineered mechanism and a validated calculation that resolve the required loads. Mounting three sensors together does not automatically produce independent orthogonal measurements; fixture coupling and alignment must be assessed.
Q2. What should a combined-load acceptance test demonstrate?
It should show the required channel readings under agreed simultaneous loads, within the proposed assembly's limits. Define the reference method and allowable errors in advance rather than accepting three plausible numbers as proof.
Summary
Compare complete measurement deliverables, not an unqualified multi-axis label. Send the required force components, combined loads and data interface so a product enquiry can be accepted, narrowed or redirected on technical grounds.
