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Product Introduction
The CZL642F parallel beam weighing sensor represents a sophisticated force-sensitive detection element engineered on strain-resistive principles. This advanced weighing sensor features a dual or single parallel beam elastomer core structure that transforms bending deformations into precise electrical signals through integrated strain gauges. The parallel beam load cell design combines exceptional precision in light-load applications with remarkable planar anti-off-center load capabilities and straightforward installation procedures. These characteristics make the CZL642F sensor ideal for small-range weighing, planar force measurement, and embedded measurement scenarios across diverse industrial and commercial applications. The following comprehensive technical details address core dimensions and specifications essential for informed product selection, technical evaluation, and solution development.
1. Product Features and Functions
Core Features
• Structural Design: The CZL642F sensor adopts an integrated parallel beam structure with carefully calibrated beam thickness (2-15mm) and length (20-150mm), ensuring uniform stress distribution concentrated in the beam's middle section. This design supports multi-angle planar forces with outstanding anti-off-center load capacity, capable of withstanding planar eccentric loads between ±20% to ±30% of rated capacity, while eliminating stress concentration blind spots.
• Precision Performance: This parallel beam load cell achieves accuracy classifications from C1 to C3, with mainstream variants reaching C2 level. The CZL642F sensor delivers nonlinearity error ≤±0.01%FS, repeatability error ≤±0.005%FS, and zero drift ≤±0.002%FS/℃, providing superior precision performance compared to similar sensors in small-range applications from 0.1kg to 500kg.
• Material and Protection: Elastomers utilize aluminum alloy for lightweight applications, alloy steel for standard industrial scenarios, or 304/316L stainless steel for corrosive environments. Surface treatments include anodizing, nickel plating, or passivation. Protection ratings typically reach IP65/IP67, with specialized food-grade models achieving IP68 for various complex operational environments.
• Installation Compatibility: The CZL642F sensor features standardized mounting holes (threaded or plain configurations) supporting bolt fixing or adhesive installation methods. Micro models enable embedded integration within desktop weighing instruments and automated equipment without structural modifications, facilitating planar weighing requirements within confined spaces.
Core Functions
• Light Load Force Measurement: The parallel beam load cell specializes in static and quasi-dynamic light-load weighing with response times ≤4ms, covering ranges from 0.1kg to 500kg with primary applications concentrated between 1kg and 200kg. Ultra-micro variants achieve precision measurement down to 0.01kg.
• Multiple Signal Output Types: The CZL642F sensor provides analog outputs (4-20mA, 0-3V, 0-5V) and digital communications (RS485/Modbus RTU, I2C). Micro intelligent variants integrate advanced signal conditioning modules for direct connection to single-chip microcontrollers and IoT platforms.
• Safety Protection Function: This weighing sensor incorporates comprehensive temperature compensation across -10℃ to 70℃, includes overload protection at 150%-200% of rated load (typically 150% for aluminum alloy models), and some configurations feature anti-shock buffer structures for harsh operational environments.
• Long-Term Stability: The parallel beam load cell endures fatigue cycles exceeding 10⁷ loads with annual drift ≤±0.01%FS under rated conditions, ensuring reliable performance in continuous operation scenarios including supermarket installations and laboratory environments.
2. Core Problems Solved
• Insufficient Precision in Light Load Scenarios: The CZL642F sensor addresses measurement errors in traditional sensors within sub-10kg ranges through optimized beam stress design, maintaining measurement errors within ±0.005%FS. This solves critical precision requirements for food weighing and pharmaceutical dosing applications.
• Inaccurate Measurement of Planar Eccentric Load: The parallel beam load cell's uniform stress distribution effectively neutralizes eccentric load influences caused by non-centered material placement, resolving accuracy issues in desktop weighing instruments and automated sorting equipment where load positioning varies.
• Difficulties in Equipment Integrated Installation: The compact structure and flexible mounting capabilities address embedded installation requirements in automated equipment and intelligent appliances without requiring main structure modifications, significantly reducing integration costs.
• Poor Adaptability to Multiple Environments: Through material and protection level upgrades, this parallel beam load cell overcomes sensor damage and signal drift in humidity-intensive scenarios (aquaculture weighing), corrosive applications (chemical reagent handling), and dust-laden environments (flour processing).
• Cost Pressure on Small Equipment: A single CZL642F sensor satisfies planar weighing requirements, eliminating expensive multiple-sensor combinations. The aluminum alloy construction reduces product weight and cost, providing optimal cost control for small weighing instruments and consumer electronics.
3. User Experience
• Extremely Simplified Installation: Standardized mounting holes and positioning reference surfaces enable installation completion with ordinary screwdrivers without professional calibration tools. Featuring low flatness requirements (≤0.1mm/m), single-person debugging completes within ten minutes.
• Low Operation Threshold: The CZL642F sensor supports one-key zeroing and single-point calibration requiring only standard weights equivalent to 100% rated load. Digital variants enable rapid software-based calibration suitable for non-professional operators.
• Extremely Low Maintenance Cost: The fully sealed parallel beam load cell structure reduces dust and moisture infiltration, with annual failure rates ≤0.2%. Lightweight aluminum alloy construction (minimum 5g) simplifies replacement without disassembling primary equipment structures.
• Accurate Data Feedback: Static measurement data fluctuation remains within ±0.003%FS with zero hysteresis during quasi-dynamic operations. Digital models incorporate automatic zero drift compensation, eliminating frequent calibration requirements while maintaining exceptional data stability.
• Good Integration Adaptability: Micro parallel beam load cell variants offer minimal dimensions (20mm × 10mm × 5mm minimum), enabling internal embedding within smart devices without affecting external aesthetics. Signal output compatibility with mainstream controllers provides plug-and-play integration.
4. Typical Application Scenarios
1) Civil and Commercial Light Load Weighing Instruments
• Supermarket pricing scales and electronic platform scales utilize the CZL642F sensor as their core sensing unit in 3-30kg applications. The lightweight aluminum alloy design combined with anti-eccentric load characteristics ensures consistent accuracy regardless of placement position, maintaining errors ≤±1g.
• Express electronic scales (1-50kg capacity) benefit from stainless steel construction providing anti-fouling properties and simplified cleaning. IP67 protection handles humid and dusty express delivery environments while supporting rapid continuous weighing operations.
• Kitchen and baking scales (0.01-5kg ranges) employ micro parallel beam load cell technology achieving milligram-level accuracy. Digital signal output compatibility with high-resolution displays meets precise ingredient proportioning requirements.
2) Industrial Automation Equipment
• Automated sorting equipment in food and hardware industries installs the CZL642F sensor beneath sorting conveyor belts for real-time product weight detection linked with sorting mechanisms, achieving sorting accuracy of ±0.1g.
• Material detection on electronic assembly lines determines component presence through weighing (such as battery assembly verification), with response time ≤4ms enabling high-speed pipeline integration.
• Quantitative control systems for particle and powder packaging machines utilize C2 accuracy parallel beam load cell models ensuring weight error per bag ≤±0.2%, conforming to metrological standards.
3) Food and Pharmaceutical Industries
• Pharmaceutical ingredient weighing applications (0.1-10kg ranges) employ 316L stainless steel CZL642F sensors with GMP certification. Polished, thread-free surfaces facilitate disinfection and sterilization with accuracy ≤±0.01%FS.
• Aquatic product and meat weighing equipment in processing facilities utilizes waterproof, corrosion-resistant designs (IP68) permitting direct washing in humid, water-rich environments.
4) Scientific Research and Experimental Equipment
• Laboratory weighing applications use ultra-small range CZL642F sensors (0.01-1kg) for reagent and sample measurement, supporting high-precision requirements in microbial culture and chemical formulation scenarios.
• Medical equipment force measurement, including rehabilitation device load monitoring and infant scales, employs lightweight aluminum parallel beam load cell designs achieving accuracy ±0.005%FS while enhancing equipment portability.
5) Intelligent Consumer Electronics and IoT Devices
• Smart home appliances utilize embedded CZL642F sensors for laundry weight detection in washing machines and coffee bean bin monitoring, enabling intelligent equipment control and enhanced user experiences.
• IoT terminals including smart shelves and smart trash cans employ low-power digital parallel beam load cell variants supporting NB-IoT wireless transmission for remote management applications.
5. Usage Instructions (Practical Guide)
1) Installation Process
• Preparation: Clean installation surfaces removing oil stains and burrs, inspect sensor beam integrity and cable condition, select appropriate mounting bolts per range specifications (avoiding high-strength bolts for aluminum alloy models).
• Positioning and Fixing: Install the CZL642F sensor horizontally on load-bearing surfaces ensuring vertical load alignment above the beam body, avoiding lateral impacts. Apply torque wrench tightening (5-10N·m for aluminum alloy, 10-20N·m for alloy steel) preventing over-tightening beam damage.
• Wiring Specification: Follow analog signal conventions (red-power +, black-power -, green-signal +, white-signal -) and digital signal pin definitions. Reserve 5cm cable redundancy for micro models avoiding tensile stress.
• Protection Treatment: In humid environments, seal cable connectors with waterproof tape; in food industries, clean sensor surfaces promptly after use preventing residual material corrosion.
2) Calibration and Debugging
• Zero Calibration: Power on and preheat ten minutes, execute zero calibration ensuring output within ±0.001%FS; excessive deviation indicates installation surface irregularity requiring correction.
• Load Calibration: Place standard weights equivalent to 100% rated load, record signal output values, correct errors through meter or software ensuring error ≤acceptable value per accuracy classification (C2 level ≤±0.01%FS).
• Eccentric Load Test: Position identical weights at different load-bearing surface locations, observe reading consistency with deviation ≤±0.02%FS; excessive variance requires installation level adjustment.
3) Daily Maintenance
• Regular inspection: Clean sensor surfaces weekly, check wiring security monthly; calibrate supermarket scales quarterly and laboratory equipment monthly.
• Fault handling: When data drifts, verify power supply voltage stability (5-24VDC standard, typically 5V for micro models). When readings become abnormal, check for overload conditions (aluminum alloy models susceptible to permanent deformation), replacing sensors when necessary.
6. Selection Method (Precise Requirement Matching)
1) Core Parameter Determination
• Range selection: Choose 1.2-1 times actual maximum weight (for 10kg maximum, select 12-14kg CZL642F sensor) avoiding accuracy reduction from excessive range in light-load scenarios.
• Accuracy level: Laboratory/pharmaceutical applications select C1 (error ≤±0.005%FS), industrial metrology chooses C2 (error ≤±0.01%FS), civil weighing selects C3 (error ≤±0.02%FS).
• Signal type: Civil weighing instruments utilize analog signals (0-5V), intelligent devices employ digital signals (I2C/RS485), IoT scenarios require wireless module-equipped variants.
2) Environmental Adaptability Selection
• Temperature: Standard scenarios (-10℃~60℃) use regular models; low-temperature refrigeration (-20℃~0℃) requires low-temperature variants; high-temperature applications (60℃~80℃) need high-temperature compensation versions.
• Medium: Dry environments select aluminum alloy; humid/food industries specify 304 stainless steel; chemical corrosive applications require 316L stainless steel.
• Protection level: Indoor dry environments ≥IP65; humid/flushing scenarios ≥IP67; underwater or highly corrosive applications ≥IP68.
3) Installation and System Compatibility
• Installation method: Desktop scales employ bolt fixing; smart devices utilize embedded installation; space-limited scenarios prioritize micro models with length ≤30mm.
• Compatibility: Confirm power supply voltage and signal type alignment with controller specifications. Verify micro model pin definitions preventing wiring errors and module damage.
4) Additional Requirement Confirmation
• Certification requirements: Food/pharmaceutical industries require FDA/GMP certification; measurement scenarios demand CMC certification; export products require OIML certification.
• Special functions: High-speed sorting requires response time ≤3ms; low-power scenarios select IoT models with sleep current ≤10μA; hygiene applications need thread-free integrated designs.
Summary
The CZL642F parallel beam weighing sensor delivers core advantages encompassing "light-load high precision, planar anti-bias load capability, and convenient integration." This weighing sensor effectively solves critical problems including precise small-range measurement, material eccentric load compensation, and embedded equipment installation. The user experience emphasizes simplified operation, worry-free maintenance, and controllable total cost of ownership. Proper product selection prioritizes range, accuracy, installation space, and environmental requirements, subsequently incorporating system compatibility and specialized function considerations. During operation, overload and lateral impact avoidance combined with strict calibration protocols ensure long-term stable performance. The parallel beam load cell represents the optimal sensing solution for light-load and planar weighing applications across civil and commercial weighing instruments, automation equipment, food and pharmaceutical processing, scientific research, and intelligent consumer electronics sectors.
Detail Display

Parameters
| Parameter Name | Parameter Value |
| Sensor range | 50kg ~ 600kg |
| Accuracy class | C2/C3 |
| Comprehensive error | ±0.03 & ±0.02% FS |
| Output sensitivity | 2.0±0.2 mV/V |
| creep | ±0.023 & ±0.016% FS/30min |
| Zero output | ±1.5% FS |
| Input impedance | 405±10Ω |
| Output impedance | 350±3Ω |
| insulation resistance | ≥5000 MΩ(100VDC) |
| Influence of zero temperature | ±0.029 & ±0.019% FS/10℃ |
| Sensitivity temperature effect | ±0.025 & ±0.017% FS/10℃ |
| Temperature compensation range | -10℃ ~ +40 ℃ |
| Operating temperature range | -20℃ ~ +60 ℃ |
| Excitation voltage | 5VDC ~ 12VDC |
| Safe overload range | 120% |
| Limit overload range | 150% |
| Recommended table size | 400*400mm |
| Material Science | Aluminum Alloy |
| Protection level | IP65 |
| External dimension of sensor | 1504040 |
| Mounting hole size | 4-M8 |
| Location of mounting hole | X25 Y25 |