Load Cell & Verification System for Propellant Metering

Product Specifications

Technical details and manufacturing context for Load Cell & Verification System

Definition

The Load Cell & Verification System is a critical subsystem within the Precision Propellant Metering and Charging Station. It combines high-accuracy load cells with integrated verification mechanisms to ensure precise measurement, monitoring, and validation of propellant mass during transfer and charging processes. This subsystem maintains strict quality control and safety standards by providing real-time weight data and performing automated checks to confirm measurement integrity. The system is designed for use in other transport equipment manufacturing, where precise propellant dosing is essential. It features a rated capacity range of 50–500 kg, selectable based on the maximum propellant mass per charge. Accuracy classes C3 to C6 per OIML R60 are available, with C6 recommended for high-precision dosing. Nonlinearity is ±0.02–±0.05%FS, repeatability ±0.01–±0.03%FS, and creep (30 min) ±0.02–±0.05%FS. Temperature effects on zero and span are ±0.01–±0.03%FS/10K, and the operating temperature range is -40 to 85°C. Excitation voltage is 5–12 V DC, insulation resistance is ≥5000 MΩ at 50 V DC per IEC 60255-5, and ingress protection is IP65–IP68 per IEC 60529. The material is 17-4PH stainless steel per ASTM A564, with safe overload of 150%FS and ultimate overload of 300%FS. The system includes verification features such as calibration checks, zero-point validation, and measurement accuracy confirmation through reference standards or redundant measurement techniques. It is essential to verify model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The system uses strain gauge-based load cells to convert the applied force from propellant weight into electrical signals. These signals are processed to determine mass. The verification subsystem performs calibration checks, zero-point validation, and accuracy confirmation using reference standards or redundant measurement techniques. This ensures that the load cells maintain accuracy over time and under varying conditions. The system is designed to operate within specified temperature ranges and environmental conditions, with ingress protection up to IP68 for harsh environments. Regular verification is critical to maintain measurement integrity and safety.

Common Materials

Stainless steel, Aluminum alloy, Strain gauge elements, Electronic components

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Capacity	50–500 kg	Select based on max propellant mass per charge
Accuracy Class	C3–C6	C3 for standard, C6 for high-precision dosingOIML R60
Nonlinearity	±0.02–±0.05 %FS	Lower is better for linearity
Repeatability	±0.01–±0.03 %FS	Critical for consistent charging
Creep (30 min)	±0.02–±0.05 %FS	Affects long-term stability during hold
Temperature Effect on Zero	±0.01–±0.03 %FS/10K	Minimize for outdoor or variable temp
Temperature Effect on Span	±0.01–±0.03 %FS/10K	Affects accuracy over temperature range
Operating Temperature Range	-40–85 °C	Wider range for harsh environments
Excitation Voltage	5–12 V DC	Typical 10 V DC; check compatibility
Insulation Resistance	≥5000 MΩ	At 50 V DC; ensures safetyIEC 60255-5
Ingress Protection	IP65–IP68	IP68 for washdown or submersionIEC 60529
Material	17-4PH	Stainless steel for corrosion resistanceASTM A564
Safe Overload	150 %FS	Without permanent damage
Ultimate Overload	300 %FS	Mechanical failure limit

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

Load Cell Assembly
Converts propellant weight into electrical signals for measurement

Material: Stainless steel
Signal Conditioner
Amplifies and processes load cell output signals

Material: Electronic components
Verification Mechanism
Performs calibration checks and accuracy validation

Material: Aluminum alloy
Mounting Frame Part
Provides structural support and alignment for load cells

Material: Steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Precision Propellant Metering and Charging Station

View system integration details

Manufacturers of Load Cell & Verification System

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Frequently Asked Questions

What is the rated capacity range of the Load Cell & Verification System?

The rated capacity is 50–500 kg, selected based on the maximum propellant mass per charge. Confirm the exact capacity with the manufacturer for your application.

What accuracy classes are available?

Accuracy classes C3 to C6 per OIML R60 are available. C6 is recommended for high-precision dosing. Verify the class required for your process.

What is the operating temperature range?

The operating temperature range is -40 to 85°C. For outdoor or variable temperature environments, consider the temperature effects on zero and span, which are ±0.01–±0.03%FS/10K.

What ingress protection ratings are offered?

Ingress protection is IP65–IP68 per IEC 60529. IP68 is suitable for washdown or submersion. Confirm the required rating for your installation environment.

Data Basis

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

Preliminary Technical Classification

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pressure:	0 to 100 bar
flow rate:	0.1 to 100 L/min
temperature:	-40°C to +85°C
slurry concentration:	0-60% solids by weight

Load Cell & Verification System

Product Specifications

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