Editorial Technical Reference

Intelligent Food Grade Metal Detector

This page explains how Intelligent Food Grade Metal Detector is classified within Food Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

This industrial-grade metal detection system is designed for integration into food processing and packaging lines.

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Product Specifications

Technical details and manufacturing context for Intelligent Food Grade Metal Detector

Definition
This industrial-grade metal detection system is designed for integration into food processing and packaging lines. It uses electromagnetic field technology to identify and reject ferrous, non-ferrous, and stainless steel contaminants within food products. The system features a hygienic, food-grade stainless steel construction, automatic rejection mechanisms, and HMI interfaces for real-time monitoring and data logging to support compliance with food safety standards such as HACCP and GMP. The detector is available with an aperture width of 400–800 mm, and sensitivity ranges from 0.8–2.0 mm for non-ferrous metals and 1.2–2.5 mm for stainless steel. It is rated IP65–IP69K for washdown environments, operates on 220–240 V AC (single phase, 50/60 Hz), and consumes 0.5–1.5 kW. The conveyor speed is adjustable from 10–60 m/min, and detection accuracy is ±0.5 mm. The machine is constructed from food-grade stainless steel (grade 304 per ASTM A240) and other materials including high-impact polycarbonate and copper wire coils. It weighs 150–350 kg depending on aperture size, with a footprint ranging from 1200×800×1200 mm to 2000×1200×1600 mm. Operating temperature is -10 to 50 °C, and humidity range is 20–80% RH (non-condensing). The reject mechanism is pneumatic. All listed parameters are reference ranges; verify model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
The detector generates a balanced electromagnetic field within its aperture. When a metal contaminant passes through, it disrupts this field, creating a signal that is processed by industrial electronics. This triggers an automatic rejection mechanism (pneumatic) to remove the contaminated product from the line. The system is calibrated to detect ferrous, non-ferrous, and stainless steel particles, with sensitivity settings adjustable based on product characteristics and regulatory requirements. The HMI allows operators to monitor detection events, adjust parameters, and log data for traceability. Regular testing with test pieces is required to verify performance.
Common Materials
food-grade stainless steel (304/316), high-impact polycarbonate, copper wire coils, industrial-grade electronics
Technical Parameters
ParameterTypical rangeNotes & selection driver
Aperture WidthRequired400–800 mmInternal width of detection aperture
Sensitivity (Non-Ferrous)Required0.8–2.0 mmMin. detectable non-ferrous (e.g., aluminum) sphere diameter
Sensitivity (Stainless Steel)Required1.2–2.5 mmMin. detectable stainless steel sphere diameter
IP RatingRequiredIP65–IP69K IPXXIngress protection rating for washdown environmentsIEC 60529
Reject Mechanism TypeRequiredPneumatic N/AType of rejection (e.g., air blast, pusher, flap)
Conveyor Speed10–60 m/minAdjustable via VFD
Detection Accuracy±0.5 mmPositional accuracy of metal detection
Operating Temperature-10–50 °CFor electronics; higher with cooling
Humidity Range20–80 % RHNon-condensing
Supply Voltage220–240 V ACSingle phase, 50/60 HzIEC 60038
Power Consumption0.5–1.5 kWDepends on conveyor and rejector
Material Grade304Food-grade stainless steelASTM A240
Machine Weight150–350 kgDepends on aperture size
Footprint (L×W×H)1200×800×1200–2000×1200×1600 mmCompact design for integration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Detection Head / Aperture
    Houses transmit/receive coils for creating detection zone
    Material: Stainless Steel
  • Control Unit / Signal Processor
    Analyzes signals, controls rejection, provides user interface
    Material: Polycarbonate / Electronics
  • Reject Mechanism
    Physically removes contaminated product from line
    Material: Stainless Steel / Pneumatics
  • Conveyor Section Optional
    Integrated or compatible belt for product transport through aperture
    Material: Stainless Steel / FDA-approved belt

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Intelligent Food Grade Metal Detector.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar (21.8 psi)
flow rate: Up to 10,000 kg/h (22,046 lb/h)
sensitivity: Ferrous: 0.3 mm, Non-ferrous: 0.5 mm, Stainless steel: 0.8 mm
temperature: 0°C to 50°C (32°F to 122°F)
aperture size: 50 mm to 300 mm (2 in to 12 in)
slurry concentration: Up to 70% solids by weight
Media Compatibility
✓ Dry bulk foods (grains, powders, cereals) ✓ Wet/slurry products (sauces, purees, dairy) ✓ Packaged foods (cans, pouches, sealed containers)
Unsuitable: Highly conductive saltwater environments or products with high salt content exceeding 5%
Sizing Data Required
  • Product flow rate (kg/h or lb/h)
  • Product type and consistency (dry, wet, slurry, packaged)
  • Required detection sensitivity (ferrous, non-ferrous, stainless steel minimum size)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor Drift or Calibration Loss
Cause: Environmental factors like temperature fluctuations, humidity, or contamination buildup on sensor surfaces, leading to inaccurate metal detection sensitivity and false positives/negatives.
Conveyor System Mechanical Failure
Cause: Wear and tear on belts, rollers, or bearings due to continuous operation, improper tensioning, or exposure to food residues causing corrosion or jamming.
Maintenance Indicators
  • Frequent false alarms or failure to detect test samples during routine checks, indicating calibration issues or sensor malfunction.
  • Unusual noises (e.g., grinding, squeaking) from the conveyor or motor, or visible wear/tear on moving parts, suggesting imminent mechanical breakdown.
Engineering Tips
  • Implement a strict calibration schedule using certified test samples (e.g., ferrous, non-ferrous, stainless steel) and monitor environmental conditions to maintain detection accuracy.
  • Establish a preventive maintenance routine for the conveyor system, including regular cleaning to prevent residue buildup, lubrication of bearings, and inspection of belt tension and alignment.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/UL 61010-1 - Safety requirements for electrical equipment for measurement, control, and laboratory use CE Marking - Compliance with EU directives for machinery safety and electromagnetic compatibility

Quoted from the published standard.

Manufacturing Precision
  • Aperture dimensions: +/-0.5mm for consistent detection sensitivity
  • Conveyor alignment: +/-1.0mm to prevent product jamming and ensure reliable operation
Quality Inspection
  • Metal detection sensitivity test using standardized test pieces (ferrous, non-ferrous, stainless steel)
  • Hygienic design verification for cleanability and prevention of contamination (e.g., crevice-free surfaces, sealed electronics)

Manufacturers of Intelligent Food Grade Metal Detector

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Guangdong Kenwei Intellectualized Machinery Co., Ltd.
Zhongshan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Techik Instrument (Shanghai) Co., Ltd.
Shanghai, Shanghai, CN
Founded 2010
CE ISO 9001 ISO 14001 OHSAS 18001
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Frequently Asked Questions

What types of metal contaminants can this detector identify?

It can detect ferrous, non-ferrous (e.g., aluminum), and stainless steel contaminants. Sensitivity ranges are 0.8–2.0 mm for non-ferrous and 1.2–2.5 mm for stainless steel, but these are reference values; actual performance depends on product and installation.

What is the IP rating and why is it important?

The IP rating is IP65–IP69K per IEC 60529, indicating protection against dust and high-pressure water jets, suitable for washdown environments. Verify the specific rating for your model to ensure it meets your cleaning requirements.

How is the reject mechanism operated?

The reject mechanism is pneumatic, meaning it uses compressed air to activate a pusher, air blast, or flap to remove contaminated products. The exact type may vary; confirm with the supplier.

What are the electrical requirements?

The system operates on 220–240 V AC, single phase, 50/60 Hz, with power consumption of 0.5–1.5 kW. Ensure your facility's power supply matches these specifications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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