Company Overview and Contact Information

Jieman Technology, founded in 1993, specializes in the research, manufacturing, and sales of core weighing components including weighing instruments, checkweighers, and quantitative weighing units. The company operates multiple manufacturing bases across China and serves over 2000 customers worldwide in industries such as lithium batteries, grain, feed, plastics, building materials, and logistics. Their products meet international certifications like CE, CPA, and OIML, adhering to strict global standards.

Product Categories and Series

The product catalog includes a wide range of load cells and weighing modules:

• Shear Beam Load Cells (GML-X8 Series: Q, F, S variants)
• Bending Beam Load Cells (GML-B5 M Series)
• Canister Load Cells (GML-Z4 D Series)
• S Type Load Cells (GML-S3 Series: E, A)
• Single Point Load Cells (GML-D6 Series: 1260, 1241, 1022, 845)
• Box Type Load Cells (GML-X11 K Series)
• Weighing Modules incorporating various load cell types

Technical Specifications and Features

• Capacity Range: From 0.1 tons up to 25 tons or more depending on the model.
• Accuracy Class: Typically C3 or better, with detailed metrics on hysteresis, non-linearity, and creep over 30 minutes.
• Materials: Alloy steel or stainless steel options, including 17-4PH stainless steel for higher capacity models.
• Protection Ratings: IP65 to IP69K, many models rated IP68 for water and dust resistance.
• Explosion Protection: Select models certified with Ex ia II C T4 Ga and Ex iaD 20 T135 standards for hazardous environments.
• Output Signal: Available in analog (mV/V) and digital versions.
• Operating Temperature: Ranges from -40°C to +70°C depending on model.
• Cable Specifications: Typically 5-7.5 meters in length, 5-6 mm diameter, with color-coded wiring for excitation and signal lines.

Design and Mechanical Features

• Compact installation with low mounting height for space efficiency.
• Overload protection and self-restoring pendulum bearings in shear beam models enhance durability.
• Welded sealing and laser welding techniques improve robustness and ensure IP68 protection.
• Pre-adjusted corner compensation facilitates parallel load cell connections.
• Comprehensive assembly drawings with detailed dimensional data support accurate installation.

Model Ordering Information

The model coding system encodes load cell type, output signal (digital or analog), capacity, series, material, cable length, accuracy, and explosion-proof features. For example, the GML-X8 F Series shear beam load cells come in digital or analog versions, capacities from 0.1t to 10t, alloy or stainless steel construction, and IP68 protection.

Applications and Industry Use

These products are designed for diverse industrial weighing applications including platform scales, belt scales, commercial scales, check weighers, loss-in-weight feeders, filling and packing scales, and crane scales. Their robust design and certifications make them suitable for harsh environments requiring high precision and reliability.

Representative Technical Parameters: GML-X8 F Series

• Capacity: 0.1t to 10t
• Accuracy: C3 class
• Output: Analog mV/V or Digital
• Protection: IP68, Explosion-proof Ex ia II C T4 Ga
• Material: Alloy steel or stainless steel
• Operating Temperature: -30°C to +70°C
• Overload Protection: Included with stay rod and pendulum bearing for self-restoring
• Cable: 6mm diameter, 5-15m length

Best Practices and Recommendations

• Select load cell type based on load range and environmental conditions.
• Use digital versions for applications requiring higher speed and accuracy.
• Follow provided assembly drawings and consider corner compensation for parallel load cell setups.
• Verify explosion-proof requirements for hazardous environments.
• Adhere to manufacturer guidelines for cable handling and connections to maintain signal integrity.

Detailed Load Cell Series and Modules Overview

1. Single Point Load Cells (GML-D6 845 and GML-X11 K Series)

• Designed for precise weighing with capacities from 10 kg to 1000 kg.
• Typical sensitivity around 2.0 ±0.02 mV/V; input resistance ~400 Ω, output resistance ~352 Ω.
• Protection class IP65 to IP67, suitable for harsh environments.
• Color-coded wiring for excitation and signal lines.

2. Weighing Modules with Shear Beam Load Cells (GML-M810 to GML-M850)

• Compatible with GML-X8 series sensors (F/B, S, Q).
• Compact design with stainless steel or alloy steel options.
• Overturn and overload protection for dynamic/static weighing.
• Applications include hopper, silo, batching, platform, and tank scales.
• Detailed mechanical dimensions provided for capacities 0.1t to 10t.
• Digital sensor compatibility available.

3. Weighing Modules with Canister and Bending Beam Load Cells (GML-M420 and GML-M510)

• GML-M420: Canister load cell module with compact design and material options.
• GML-M510: Bending beam load cell module with capacities from 25t to 70t.
• Both modules designed for easy installation and digital sensor compatibility.

4. Ordering and Model Coding

• Model codes specify sensor type, module type, accessory type, material, capacity, and explosion-proof features.
• Material codes: 'S' for stainless steel, 'C' for alloy steel.
• Capacity ranges tailored per module and sensor combination.

5. Key Technical Parameters and Installation Recommendations

• Eccentric error specified as a percentage of nominal capacity per 10K units, critical for accuracy.
• Protection ratings from IP65 to IP67 ensure suitability for industrial dust and moisture exposure.
• Stainless steel recommended for corrosion resistance; alloy steel for strength.
• Modules designed for compact, straightforward installation with overload and overturn protection.
• Digital sensor versions enhance integration with modern weighing systems.

Summary

This document provides a comprehensive overview of Jieman Technology's load cells and weighing modules, detailing mechanical and electrical specifications, material options, protection classes, and application suitability. Clear ordering codes and dimensional data facilitate correct product selection and installation. The inclusion of digital sensor compatibility and protective features underscores the products' adaptability to modern industrial weighing requirements.