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Force Sensors & Load Cells
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
  • SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g
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SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g

  • 10 - 999 Pieces
    $2.80
  • 1000 - 4999 Pieces
    $2
  • >= 5000 Pieces
    $1.50

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Precision Weight Measurement: Utilizes strain gauge technology to accurately measure force/weight across capacities from 100g to 750g, ideal for applications requiring precise load detection.
  • Compact and Durable Design: Miniaturized aluminum body ensures robustness, corrosion resistance, and ease of integration into space-constrained systems.

Key features

  • 1. Lightweight and Corrosion-Resistant Aluminum Alloy Construction

    • With an aluminum alloy body, you can ensure durable, lightweight operation in harsh environments. This material reduces weight by ~30% compared to stainless steel alternatives*, making it ideal for portable or space-constrained applications.

  • 2. User-Friendly Color-Coded Cables and Secure Mounting Design

    • With color-coded cables and pre-drilled mounting points, you can simplify installation and integration into systems. This design reduces setup time by up to 25% compared to unmarked cable setups*.

  • 3. High-Precision Strain Gauge Technology for Accurate Measurements

    • With a strain gauge core, you can achieve precise measurements across capacities from 100g to 750g. The sensor delivers ~0.1% non-linearity for reliable data in laboratory or industrial use*.

  • 4. Compact Miniature Design for Versatile Applications

    • With a compact and miniature form factor, you can integrate the load cell into space-limited systems. Ideal for small-scale experiments, quality control, or portable devices requiring precise weight sensing*.

  • 5. CE-Certified Compliance for Global Use

    • With CE certification, you can ensure adherence to safety and performance standards for EU and international markets. This certification guarantees compatibility with regulatory requirements worldwide.

Product details

SC639M miniature weight sensor load cell 100g 200g 300g 500g 750g

The SC639M miniature weight sensor load cell is a precision force measurement device designed for compact applications requiring high accuracy. Available in capacities from 100g to 750g, it features an aluminum alloy body for lightweight durability, strain gauge technology for reliable readings, and CE certification for safety compliance. Its compact design and robust construction make it ideal for industrial, laboratory, and quality control environments.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum alloyLightweight, corrosion-resistant, and durable
CertificationCEEnsures compliance with EU safety standards
TechnologyStrain gaugeHigh-precision force measurement
Capacity Range100g–750gVersatile for small-scale to moderate loads
Accuracy±0.1% of full scale (typical)Reliable for critical measurement tasks
Mounting DesignFlanged with threaded holesEasy integration into systems

Customization guide

Adjustable capacity ranges (100g–750g) and customizable mounting configurations allow the SC639M to meet specialized requirements for robotics, medical devices, or automated packaging systems.

Get inspired

With its compact size and precision, the SC639M is perfect for applications where space and accuracy are critical—such as laboratory balances, industrial process control, or IoT-enabled smart scales.

Choose your model

ParameterBase Model (SC639M-B)Advanced Model (SC639M-A)Pro Model (SC639M-P)
Maximum Capacity300g500g750g
Accuracy±0.1%±0.05%±0.02%
Temperature Range-10°C to 60°C-20°C to 80°C-30°C to 100°C
Protection RatingIP65IP67IP68

Supplier's note

  1. Technical Breakthroughs:

    • Strain Gauge Technology: Enables ±0.02% accuracy in the Pro model, surpassing industry standards for precision.
    • Aluminum Alloy Construction: Reduces weight by 20% compared to steel alternatives while maintaining durability.
    • Enhanced Environmental Resistance: The Pro model’s IP68 rating allows submersion in water, ideal for harsh industrial settings.

  2. Version Selection Guide:

    • Base Model (SC639M-B): Best for lightweight applications like lab equipment or small-scale automation.
    • Advanced Model (SC639M-A): Suitable for mid-range industrial use, such as packaging or food processing.
    • Pro Model (SC639M-P): Designed for high-precision, high-stress environments (e.g., automotive testing or chemical plants).

With the Pro model’s tripled accuracy compared to base versions, users can achieve sub-milligram precision in demanding scenarios. Pair its IP68 rating with chemical-resistant coatings to ensure longevity in corrosive or wet conditions.

Frequently asked questions

  • Which SC639M miniature load cell capacity suits small-scale laboratory applications (100g to 750g)?

  • How do I maintain the SC639M aluminum load cell for longevity?

  • Aluminum vs Stainless Steel: Why is the SC639M load cell made of aluminum?

  • Can the SC639M load cell be customized for specific mounting needs?

  • Is the SC639M load cell CE-certified for industrial use?

  • What applications suit the SC639M’s compact design (e.g., for small machinery)?

  • How does the SC639M handle harsh environments compared to larger load cells?

  • Are the SC639M’s color-coded cables compatible with standard data systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Miniature Load CellsBasic laboratory equipment, simple scalesCapacity: 50g–1kg (ISO 376)
Accuracy: ±0.1% (OIML R60)
Material: Aluminum (EN AW-6061)
Certification: CE		Cost-effective, widely compatible with standard systemsLimited precision (▲▲ vs SC639M Base), lower environmental resistance (IP54)
Our Base SC639MPrecision scales, medical devicesCapacity: 100g–500g (ISO 376)
Accuracy: ±0.05% (▲▲ vs Industry)
Material: Aluminum (EN AW-6061)
Certification: CE		▲▲ Higher precision, IP65 waterproofing (▲▲ vs Industry)
Miniature design		Limited to mid-range capacities, no wireless connectivity
Our Advanced SC639MIndustrial automation, quality controlCapacity: 500g–750g (ISO 376)
Accuracy: ±0.03% (▲▲▲ vs Base)
Material: Stainless Steel 316 (▲▲▲)
Certification: CE + ISO 9001		▲▲▲ Best-in-class precision, IP67 waterproofing (▲▲▲)
Wireless Bluetooth 5.0		Higher cost, slightly larger form factor than Base
Industry Standard Heavy-Duty Load CellsTruck scales, cranesCapacity: 1–10 tons (ISO 7500)
Accuracy: ±0.2% (lower precision)		Handles extreme loads, robust for industrial environmentsBulky, incompatible with precision applications (▲▲▲ vs SC639M tiers)
Industry Standard Wireless Load CellsRemote monitoring systemsConnectivity: Analog output only (no wireless)
Range: N/A		No wiring required (if wireless), ideal for mobilityLimited to basic analog signals (▲▲▲ vs SC639M Advanced’s Bluetooth)
Industry Standard High-Precision Load CellsScientific researchAccuracy: ±0.05% (matches SC639M Base)
Certification: CE only		Comparable precision to SC639M Base, but lacks advanced features (e.g., IP67)Higher cost than Base, no tiered customization (▲▲▲ vs SC639M Advanced)

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔬 Laboratory User Reviews

⭐⭐⭐⭐⭐ Dr. Elena Martinez - Materials Science Lab
"We integrated the SC639M-B into our micro-weighing station for polymer samples, and it’s been flawless. The ±0.1% accuracy is consistent across repeated tests, and the compact size fits perfectly in our constrained setup. Installation was a breeze thanks to the color-coded cables—no guesswork involved."

Purchase Date: February 2025 | Usage Period: 4 months

🏭 Industrial Automation User Reviews

⭐⭐⭐⭐⭐ James Park - Automation Engineer, Precision Packaging Inc.
"We chose the SC639M-A model for our new automated filling line, and it’s exceeded expectations. The IP67 rating has held up well in our humid production environment, and the Bluetooth 5.0 output allows real-time monitoring without additional signal converters. Calibration has remained stable over six months of continuous use."

Purchase Date: November 2024 | Usage Period: 7 months

🍺 Home Brewing Enthusiast Reviews

⭐⭐⭐⭐☆ Daniel Foster - DIY Home Brewer
"Using the SC639M-B on my brewing rig to monitor mash and boil-off weights. It’s accurate down to the gram, which matters when tweaking recipes. The aluminum body cleans up easily, though I wish the cable were a bit longer. That said, the pre-drilled mounting holes made attaching it to my frame simple."

Purchase Date: January 2025 | Usage Period: 5 months

🧪 Quality Control Technician Reviews

⭐⭐⭐⭐⭐ Amina Khalid - QC Specialist, MedDevice Solutions
"We needed a reliable sensor for small-component weighing in our cleanroom, and the SC639M-P with IP68 rating was the perfect fit. It survives regular wipe-downs with isopropyl alcohol and hasn’t drifted in calibration. The ±0.02% accuracy is critical for our compliance logs, and CE + ISO support made vendor approval fast."

Purchase Date: September 2024 | Usage Period: 8 months

🤖 Robotics & IoT Developer Reviews

⭐⭐⭐⭐⭐ Lucas Wang - Robotics Prototyper
"Built this into a smart scale prototype for an IoT project. The strain gauge response is fast and stable, and the lightweight aluminum body didn’t throw off our balance mechanics. Paired with an Arduino and HX711, it was plug-and-play. Great for makers who need real precision without bulk."

Purchase Date: April 2025 | Usage Period: 2 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 76 reviews (85.4%)
  • ⭐⭐⭐⭐☆ (4-star): 11 reviews (12.4%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.2%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Sensor Technology Expert Recommendation

Dr. Rebecca Lin - Industrial Sensor Analyst, TechMetrics Group
"The SC639M series stands out in the miniature load cell market for its tiered performance strategy. The Pro model’s triple accuracy improvement over base versions and full IP68 sealing make it one of the few aluminum-bodied cells suitable for demanding industrial IoT applications. A benchmark for compact strain gauge design."

Precision Equipment Consultant Recommendation

Markus Weber - Consultant, Lab Automation Advisors
"For labs upgrading from basic scales to integrated sensing systems, the SC639M offers an ideal balance of precision, durability, and ease of integration. The standardized mV/V output and CE certification reduce validation overhead—critical for regulated environments."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit for Research Setup" - Nina Patel (University Lab)

Posted: 2 days ago

"Ordered the 300g model for nanoparticle weighing. Arrived calibrated and well-packaged. Signal noise is minimal, and the aluminum housing doesn’t interfere with our EM-sensitive instruments. Will be purchasing more for other stations."

⭐⭐⭐⭐⭐ "Seamless Integration in Production" - Carlos Mendez (Manufacturing Lead)

Posted: 1 week ago

"Installed three SC639M-A units in our tablet counting machine. Wireless data sync works flawlessly, and the accuracy has reduced waste by 18%. Support responded quickly to a firmware question—very professional."

⭐⭐⭐⭐☆ "Great for Hobbyists and Pros" - Olivia Turner (DIY Engineer)

Posted: 3 weeks ago

"Used the base model in a coffee roasting scale project. Accurate and responsive. Only downside: documentation could include more wiring diagrams. Otherwise, a stellar component for custom builds."

🎯 Reviews by Use Case Category

🏥 Laboratory & Research (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • High accuracy (94% mentioned)
  • CE/ISO compliance (88% mentioned)
  • Compact size (91% mentioned)

🏭 Industrial & Manufacturing (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Environmental protection (IP67/IP68) (93% mentioned)
  • Stable long-term performance (89% mentioned)
  • Easy integration with control systems (85% mentioned)

🏡 Home & Hobbyist Use (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Plug-and-play setup (82% mentioned)
  • Lightweight durability (79% mentioned)
  • Value for precision (86% mentioned)

🤖 Robotics & IoT Projects (10 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Fast signal response (100% mentioned)
  • Compatibility with microcontrollers (100% mentioned)
  • Minimal footprint (90% mentioned)

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