MNM 2,000 lb × 0.5 lb S-Type Tension/Compression Scale Guide
- pete8781
- Jul 30
- 4 min read
Need more details or help choosing the correct force scale? Call MNM Scales at (832) 290-3120 or email mnmscales@yahoo.com.
The MNM 2,000 lb × 0.5 lb S-type tension/compression scale is a calibrated force-measurement package for users who need substantially more capacity than a handheld force gauge but still want half-pound displayed increments, Peak Hold, portable power and a separate digital readout. MNM lists the package as a 2,000 lb system with 0.5 lb accuracy, an alloy-steel S-type load cell, rechargeable indicator, power supply and two eye bolts, ready to use after shipment.
What Comes with the 2,000 lb × 0.5 lb Force Scale?
The product listing describes a complete measuring package rather than a bare sensor. The major pieces are an alloy-steel S-type load cell, a digital LED/LCD indicator with rechargeable battery and power supply, and two eye bolts. That distinction matters: a bare load cell produces a small electrical signal and cannot show force by itself, while this package is supplied as a calibrated readout system.
Published Specifications and Features
Capacity — 2,000 lb. Published increment/accuracy — 0.5 lb. Sensor style — alloy-steel S-type load cell. Functions — zero, gross, net, accumulation, printing, counting, check weighing and auto-hold, plus Peak Hold called out for the system. Units — lb/kg selectable. Output — RS-232. Display — six-digit, approximately 1-inch LED or LCD with backlight. Power — 6 V rechargeable battery plus power supply. Mounting — desktop, wall, column or adjustable angle. The indicator specification also lists 6000e, up to 30,000d and 0.3 µV/e resolution.
What Does 2,000 lb × 0.5 lb Mean in Practice?
A 0.5 lb displayed increment gives 4,000 divisions across a 2,000 lb range. That is useful for comparing forces that change by several pounds while preserving a large capacity margin. Display resolution should not be confused with complete measurement uncertainty: fixture alignment, calibration quality, side loading, temperature, loading rate and mechanical repeatability can all affect the real-world result.
Where This Force Scale Fits Best
Common uses include cable and wire-rope tension checks, winch and pull-force comparisons, spring testing, actuator push/pull testing, clamp-force fixtures, breakaway-force measurements, component proof testing, production quality-control fixtures and custom test stands. Peak Hold is especially useful when the important value is the maximum force reached during a pull, compression cycle or breakaway event rather than a continuously changing live value.
Setup: Get the Mechanics Right Before Chasing the Number
An S-type load cell works best when the applied force travels through the intended axis. In tension, use suitable rated fixtures that keep the load centered rather than bending the cell. In compression, use aligned interfaces that do not introduce a large side load or moment. The two supplied eye bolts can simplify test-fixture connection, but every fixture, shackle, fastener, frame and lifting component must be selected for the actual application independently of the scale's 2,000 lb measuring capacity.
Indicator Features That Matter on a Test Bench
The rechargeable battery is valuable when the test point is away from an outlet, while the supplied power source supports longer bench sessions. RS-232 can be useful when an operator wants to send readings to compatible logging or printing equipment. Hold and Peak Hold reduce the need to stare at the display during a dynamic event. Gravity adjustment is also listed, which can be relevant when a system is moved between locations and calibrated under different local conditions.
Calibration and Verification
MNM says the system is calibrated and ready to use, but periodic verification is still good measurement practice. Check unloaded zero, apply one or more known reference forces, unload and confirm return to zero, then repeat a point to check repeatability. The listing also says this family can be supplied with different indicator models and brands, so calibration-menu button sequences should come from the exact indicator delivered with the unit rather than from a generic online procedure.
Troubleshooting Unstable or Inconsistent Readings
If readings wander or repeat poorly, first remove mechanical causes: side load, binding, fixture flex, a cable being pulled, loose threaded hardware or a force source that is itself unstable. If the scale will not return to zero after unloading, inspect the fixture for residual preload before using the zero key to hide it. If readings are consistently wrong by a percentage, verify calibration with a known reference and confirm that the correct capacity, unit and division settings are stored in the actual indicator.
FAQ
Is this a bare 2,000 lb load cell? No. MNM lists a calibrated S-type load cell, digital indicator, power supply/rechargeable battery and two eye bolts. Can it measure tension and compression? S-type cells are designed for axial tension/compression measurement when fixtured correctly. Does it have Peak Hold? Yes, Peak Hold is listed. Can it send data out? The indicator listing includes RS-232. Is 0.5 lb resolution the same as ±0.5 lb system uncertainty? No; displayed increment and total uncertainty are different concepts. Does it include a specific indicator model? The listing says this family may use different models and brands, so confirm the delivered readout if an exact communication or calibration procedure matters. Is it appropriate as lifting hardware? It is a measuring system; all rigging and lifting hardware must be independently selected and rated for the application.
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