SMARTWEIGH INSTRUMENT CO.,LTD
| Supply Ability | 2000 set per month |
| Delivery Time | 10-30days |
| Packaging Details | Caron box |
| Product | Performance Evaluation and Certification for Checkweighing Equipment |
| Weighing Tolerance | ±0.1–0.5% of target weight (varies by class) |
| Minimum Divisor (e) | e = 1–10g (for Class III) |
| Throughput Rate | 100–600 units/minute (depends on conveyor speed) |
| Stabilization Time | ≤2 seconds (for dynamic weighing) |
| Frequency | Weekly (high-use) or Quarterly (low-use) |
| Auto-Calibration | Temperature-triggered or time-based (if equipped) |
| Temperature Range | 0°C to 40°C (operational), -20°C to 60°C (storage) |
| Vibration Resistance | ±0.2g (ISO 10816-3 for industrial vibration) |
| Conveyor Speed | 0.1–1.5 m/s (adjustable) |
| Overload Capacity | 120% of max capacity (safety limit) |
| EMC Compliance | Reject Mechanism |
| Power Supply | 24V DC ±5% or 100–240V AC, 50/60Hz |
| Repeatability | ±0.05–0.2% of target weight (10 consecutive tests) |
| Linearity Error | ±0.1–0.3% of full scale |
| Legal-for-Trade | NTEP (US), MID 2014/32/EU (Europe), OIML R51 (Global) |
| Material Safety | FDA-compliant (if food contact), Stainless Steel 316 |
| Data Logging | Timestamp, weight, batch ID (CSV/PDF export) |
| Reject Mechanism | Pneumatic/mechanical (response time ≤100ms) |
| Brand Name | |
| Model Number | Performance Evaluation and Certification for Checkweighing Equipment |
| Place of Origin | CHINA |
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Product Specification
| Supply Ability | 2000 set per month | Delivery Time | 10-30days |
| Packaging Details | Caron box | Product | Performance Evaluation and Certification for Checkweighing Equipment |
| Weighing Tolerance | ±0.1–0.5% of target weight (varies by class) | Minimum Divisor (e) | e = 1–10g (for Class III) |
| Throughput Rate | 100–600 units/minute (depends on conveyor speed) | Stabilization Time | ≤2 seconds (for dynamic weighing) |
| Frequency | Weekly (high-use) or Quarterly (low-use) | Auto-Calibration | Temperature-triggered or time-based (if equipped) |
| Temperature Range | 0°C to 40°C (operational), -20°C to 60°C (storage) | Vibration Resistance | ±0.2g (ISO 10816-3 for industrial vibration) |
| Conveyor Speed | 0.1–1.5 m/s (adjustable) | Overload Capacity | 120% of max capacity (safety limit) |
| EMC Compliance | Reject Mechanism | Power Supply | 24V DC ±5% or 100–240V AC, 50/60Hz |
| Repeatability | ±0.05–0.2% of target weight (10 consecutive tests) | Linearity Error | ±0.1–0.3% of full scale |
| Legal-for-Trade | NTEP (US), MID 2014/32/EU (Europe), OIML R51 (Global) | Material Safety | FDA-compliant (if food contact), Stainless Steel 316 |
| Data Logging | Timestamp, weight, batch ID (CSV/PDF export) | Reject Mechanism | Pneumatic/mechanical (response time ≤100ms) |
| Brand Name | Model Number | Performance Evaluation and Certification for Checkweighing Equipment | |
| Place of Origin | CHINA | ||
| High Light | Mettler Toledo load cell checkweighing equipment ，checkweighing equipment performance evaluation ，certified checkweighing equipment | ||
Performance Evaluation and Certification for Checkweighing Equipment
Performance evaluation and certification for checkweighing equipment is a critical process for ensuring product quality, legal compliance, and operational efficiency. Unlike static scales, checkweighers weigh products in motion, which introduces unique variables that must be carefully managed. A comprehensive evaluation and certification process ensures the system is not only accurate but also reliable under real-world production conditions.
Before any tests begin, a thorough physical inspection is necessary. This step ensures the checkweigher's fundamental components are in good working order and not causing any measurement errors.
Visual Check: Inspect the conveyor belts, weigh platform, and frame for any signs of damage, wear, or debris. The weigh platform must be free-floating and not touching any surrounding parts.
Component Integrity: Check for loose bolts, screws, or wiring. The load cell, which is the heart of the weighing system, must be secure and undamaged.
Environmental Factors: The checkweigher's performance is sensitive to its environment. Factors like vibration from other machinery, temperature, and humidity can all affect accuracy. Technicians assess these conditions to ensure they are within the manufacturer's specifications.
Calibration is the process of adjusting the checkweigher to ensure it measures weight correctly. Verification, on the other hand, is the act of confirming that the system is performing accurately and consistently.
Static Calibration: This is a preliminary step where the checkweigher is calibrated with certified test weights while the conveyor is stopped. It establishes a baseline of accuracy.
Dynamic Calibration: This is the most crucial part for a checkweigher. A known, stable product (or a test weight) is passed over the moving conveyor multiple times. This test confirms the system's ability to accurately weigh products in motion.
Repeatability Test: To check consistency, a single product of known weight is run through the checkweigher multiple times (e.g., 10-20 times). The recorded weights should fall within a very tight tolerance, typically within a few standard deviations, to prove the machine's repeatability.
Corner Load Test: For static calibration, a weight is placed at different corners of the weigh platform to ensure the system measures accurately regardless of where the product is positioned. This verifies the performance of all load cells.
Specifications:
| Parameter | Specifications |
| Weighing Tolerance | ±0.1–0.5% of target weight (varies by class) |
| Minimum Divisor (e) | e = 1–10g (for Class III) |
| Throughput Rate | 100–600 units/minute (depends on conveyor speed) |
| Stabilization Time | ≤2 seconds (for dynamic weighing) |
| Frequency | Weekly (high-use) or Quarterly (low-use) |
| Auto-Calibration | Temperature-triggered or time-based (if equipped) |
| Temperature Range | 0°C to 40°C (operational), -20°C to 60°C (storage) |
| Vibration Resistance | ±0.2g (ISO 10816-3 for industrial vibration) |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2005
Total Annual:
500-1000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
SMARTWEIGH INSTRUMENT CO.,LTD , established over 15 years, which is one of the largest manufacturers and exporter in China. Our workshop occupy 20,000 square meters and located in a very convenient and beautiful city, Changzhou, it is close to Shanghai and only take one hour by high speed railway. ... SMARTWEIGH INSTRUMENT CO.,LTD , established over 15 years, which is one of the largest manufacturers and exporter in China. Our workshop occupy 20,000 square meters and located in a very convenient and beautiful city, Changzhou, it is close to Shanghai and only take one hour by high speed railway. ...
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