INDUSTRY COMPONENT

Level Sensor

Level sensor for continuous monitoring of molten metal height in industrial furnaces and casting systems.

Component Specifications

Definition
A precision industrial sensor designed to measure and monitor the height of molten metal in real-time within furnaces, ladles, and casting systems. It ensures optimal metal level control to prevent overflow, maintain consistent casting quality, and enhance operational safety in high-temperature metal processing environments.
Working Principle
Operates primarily on non-contact measurement principles such as radar, laser, or ultrasonic technologies to detect the surface level of molten metal. Some variants use contact methods with refractory probes. The sensor emits signals that reflect off the metal surface, calculating distance based on time-of-flight or phase shift, providing continuous, accurate level data to the control system.
Materials
High-temperature resistant materials: alumina or zirconia ceramic housing, stainless steel (316L) or Inconel alloy body, refractory-coated sensing elements, and fiber-optic or shielded cables.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Accuracy±2 mm
Power Supply24 VDC
Output Signal4-20 mA, HART, or digital (Modbus/Profibus)
Response Time<1 second
Measurement Range0-5 meters
Protection RatingIP67/NEMA 4X
Temperature RangeUp to 1600°C

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

Standards
ISO 13584, DIN 19266, IEC 61508

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Thermal damage from excessive temperatures
  • Signal interference from electromagnetic fields in foundries
  • Mechanical failure due to thermal expansion/contraction
  • Calibration drift over time
FMEA Triads
Trigger: Prolonged exposure to temperatures above rating
Failure: Sensor housing degradation or electronic failure
Mitigation: Use sensors with appropriate temperature ratings, implement cooling systems, and schedule thermal inspections.
Trigger: Build-up of slag or oxides on sensor face
Failure: Inaccurate readings or signal loss
Mitigation: Regular cleaning protocols, use of self-cleaning sensor designs, and installation of protective shrouds.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.1% of full scale under standard conditions
Test Method
Calibration against certified reference levels in controlled high-temperature environments, following ISO/IEC 17025.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Level Sensor

12 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.

Yantai Wepower Electronic Co., Ltd.
Shandong, CN
Founded 2003
CE ROSH Reach Explosion-proof +3
Listed on the company's own website · profile compiled by CNFX from public sources
FBelec
Dongguan, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Feejoy Technology (ShangHai) Co., Ltd.
益紧张和消费, Shanghai, CN
Also makes: Flow Sensor, Flow Meter
Listed on the company's own website · profile compiled by CNFX from public sources
Greegoo Electric
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hunan Rika Electronic Tech Co., Ltd.
Hunan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
MacSensor
Hunan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Nanjing KJT Electric Co,. LTD.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Nanjing Wotian Technology Co., Ltd.
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shaanxi ShengKe Electronic Technology Co., Ltd.
Jilin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shandong Renke Control Technology Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai BOQU Instrument Co., Ltd.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shanghai Ziasiot Technology
Shanghai, CN
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.

Related Components

Work Rolls
Work rolls are precision cylindrical components in heavy-duty rolling mills that directly contact and deform metal during rolling operations.
Venting Channels
Venting channels are precision-engineered passages in metal casting mold cores designed to allow gases to escape during the molten metal pouring process, preventing defects and ensuring high-quality castings.
Aluminum Matrix
Aluminum matrix is the continuous metallic phase in aluminum matrix composites, providing structural integrity and thermal/electrical conductivity in hot-forged aluminum alloy billets.
Grain Structure
The crystalline arrangement of atoms in hot-forged aluminum alloy billets, determining mechanical properties and performance.

Frequently Asked Questions

What is the typical lifespan of a molten metal level sensor?

With proper maintenance, 2-5 years depending on operating temperature, exposure to slag, and thermal cycling frequency.

How does the sensor handle slag or dross on the metal surface?

Advanced signal processing filters out interference from surface impurities, and some models include automatic cleaning cycles or use frequencies that penetrate thin slag layers.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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