MNM GX-1-SH-1K 1,000 lb Stainless NTEP Shear Beam Load Cell Guide

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Call MNM Scales at (832) 290-3120 or email mnmscales@yahoo.com for details and help confirming the correct capacity, mounting geometry, wiring and approval requirements before ordering.

MNM GX-1-SH-1K 1,000 lb Stainless NTEP Shear Beam Load Cell Guide

The MNM GX-1-SH-1K 1,000 lb stainless NTEP shear beam load cell is a single replacement or OEM sensor for platform, floor, hopper and other industrial weighing systems where stainless construction and moisture resistance are useful. MNM currently lists this exact 1,000 lb model at $129 with stock available, and the listing states that it includes a foot and spacer.

Published electrical and performance specifications

MNM publishes a rated output of 3.00 ±0.015 mV/V, input resistance of 385 ±5 Ω, output resistance of 350 ±3 Ω, insulation resistance of at least 5000 MΩ, 10 V AC/DC excitation, ±0.02% FS nonlinearity and hysteresis, ±0.01% FS repeatability, ±0.02% FS 30-minute creep, ±1% FS zero balance, compensated temperature range of -10°C to 50°C, operating range of -20°C to 60°C, and 120% FS safe overload. The listed four-wire color code is red +excitation, black -excitation, green +signal and white -signal.

Why these specs matter

A 3 mV/V nominal signal is common in industrial strain-gauge systems, but replacement compatibility is not determined by signal alone. A correct replacement also has to match rated capacity, load direction, mounting-hole pattern, loading point, overall height, thread and foot geometry, bridge resistance, wiring, cable routing and the environmental exposure. Matching the mechanical interface prevents side loading and binding; matching the electrical characteristics helps the existing indicator and junction box behave predictably.

Published interchange families

MNM lists Artech SS30310, Celtron SQB SS, HBM B35, Revere 9123, Rice Lake RL35023S, Rice Lake RL39123, Sensortronics 65023SS and Coti Global CG-23SS as interchangeable product families. Treat those as starting points, not permission to install any capacity or revision blindly. Verify the exact capacity, dimensions, threads, foot/spacer geometry, mV/V, resistance, wiring and environmental rating of the old cell before replacement.

Installation and setup

Remove load from the structure before service. Confirm that the platform or vessel is mechanically free, the mounting surfaces are flat, and the load enters the cell in the intended direction. Protect the cable from pinch points, weld current and abrasion. On a multi-cell scale, route the new cell into the junction box using the same excitation and signal conventions as the other cells. After installation, perform a corner test before final span calibration because replacing one cell can change load sharing.

Calibration after replacement

The load cell itself does not store the scale calibration; the indicator or transmitter does. After replacement, verify wiring and zero, perform a repeatable corner test if the scale uses multiple cells, trim the junction box only when necessary, then perform zero and known-load span calibration in the indicator. Recheck return to zero, repeatability and multiple points across the useful range. Legal-for-Trade installations may also require sealing and local weights-and-measures procedures.

Common troubleshooting questions

A reading that changes when the cable moves suggests a cable, connector or termination problem. One corner reading high or low usually points first to mechanical load sharing, junction-box trim or one cell's output—not automatically a bad indicator. A scale that will not return to zero can be caused by binding, debris, damaged mounts, moisture in a junction box, overloaded cells or wiring faults. Compare excitation voltage and millivolt signal at the junction box before replacing additional parts.

FAQ

Is this a four-cell kit? No. This article covers the single GX-1-SH-1K 1,000 lb sensor. Can it replace an RL35023S or SQB SS? MNM publishes those as interchange families, but exact capacity and dimensions still need verification. Is stainless the same as waterproof? MNM describes the item as stainless/waterproof washdown, but installation sealing, cable entries and junction-box protection still matter. Does a new cell require recalibration? Yes, at minimum verify zero, span, corner balance and repeatability. Can it be used in a hopper? Yes when the mounting arrangement supports proper loading and piping or structure does not bypass the weighing system.

Where to buy

Buy the exact MNM GX-1-SH-1K from MNM Scales and contact them before ordering when replacing an unknown existing shear beam. Product URL: https://mnmscales.com/product/gx-1-sh-1k-stainless-steel-washdown-shear-beam-load-cell-1000-lb-ntep-moisture/