Load Cells

Compression Fully Digital Load Cell

Stainless steel compression load cell with digital output, built-in calibration and diagnostics.

Robust stainless steel construction
Built-in digital calibration
Half and full duplex wiring options

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Compression Fully Digital Load Cell by Nipro Weitek

Overview

About the Compression Fully Digital Load Cell

The compression fully digital load cell is designed for weighing accuracy, long-term stability and durability in demanding industrial applications. Advanced digital sensing provides high-precision measurement while minimising the effects of electrical noise, temperature variation and signal interference.

Its robust stainless steel construction ensures reliable performance in harsh industrial environments.

Used in weighbridges and truck scales, tank and silo weighing, press and force measurement, structural load testing, material testing machines and automated manufacturing systems.

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Key features

What you get

Excellent long-term stability and repeatability

High overload and shock resistance from its robust compression design

Built-in digital calibration and diagnostics that simplify set-up and maintenance

Easy installation and maintenance; durable construction minimises routine servicing

Technical data

Specifications

Model NM-CMP40 — technical specifications

Parameter	Specification
Capacity	40 t
Accuracy class	OIML R60 C3
Material	Stainless steel
Ingress protection	IP68
Certifications	NTEP, OIML, ATEX
Maximum safe overload	150% FS
Ultimate safe overload	300% FS
Maximum excitation voltage	15 V DC
Recommended excitation voltage	5 – 15 V DC
Cable length	16 m
Operating temperature range	−20 to +70 °C
Compensated temperature range	−10 to +40 °C
Insulation resistance (50 V DC)	≥ 1000 MΩ
Zero balance	±1% FS
Application	Truck scales and weighbridges

Minimum order 6 pieces. Supplied ex-stock or within 7 days.

Wiring — standard (half duplex)

Signal	Wire colour
V in Pos	Red
V in Neg	Black
TX	Green
RX	White

Wiring — optional (full duplex)

Signal	Wire colour
V in Pos	Red
V in Neg	Black
TX	Green
TX n	White
RX	Brown
RX n	Blue

Applications

Where it is used

Steel & Cement

Automated, unmanned weighing with RFID and ANPR keeps queues short and every transaction recorded with images.

Manufacturing

Weighbridge and process weighing data can be integrated with SAP, ERP or Tally for one source of truth.

Public Weighbridges, Toll & Check Posts

The Public Weighbridge software version produces customised tickets, and we assist with legal metrology stamping.

Installation

Site & installation requirements

Supplied with a 16 m cable; choose half duplex (4 wire) or full duplex (6 wire) wiring to match your indicator.
Mount with the matching top and bottom plates so the load is applied straight down through the cell.

How our installation and maintenance works

FAQ

Questions about this product

A compression load cell measures force applied downward onto it. It is the common choice for weighbridges, truck scales, tanks and silos where the structure rests on the cells.

The NM-CMP40 carries NTEP, OIML and ATEX certifications. Tell us your zone classification and we will confirm the right configuration.

It communicates digitally. Standard wiring is half duplex (4 wire) and full duplex (6 wire) is optional — the wiring tables above show the colour codes.

Analogue strain gauge load cells output a millivolt signal that is combined in a junction box and read by the indicator. Digital load cells convert the signal inside each cell and communicate over RS485, so every cell can be monitored individually, faults are easier to locate and the signal is more resistant to tampering and interference.

Yes. Share the weighbridge make, capacity, number of load cells and indicator model. Our service team will confirm a compatible replacement or recommend upgrading the weighbridge to digital load cells, then install and recalibrate it.

The capacity per load cell, quantity, application (weighbridge, tank, silo or process), the indicator or controller it connects to, and any hazardous-area (ATEX) requirement.