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Performance Evaluation and Certification for Checkweighing Equipment

Performance Evaluation and Certification for Checkweighing Equipment

商品の詳細:
起源の場所: 中国
モデル番号: チェックワイング機器のパフォーマンス評価と認定
お支払配送条件:
最小注文数量: 1セット
価格: 交渉可能
パッケージの詳細: キャロンボックス
受渡し時間: 10-30DAYS
供給の能力: 2000年あたりのセット
連絡先
詳細製品概要
製品: チェックワイング機器のパフォーマンス評価と認定 重量の寛容: 標的体重の±0.1〜0.5%(クラスによって異なります)
最小除数(E): E = 1–10g(クラスIIIの場合) スループットレート: 100〜600ユニット/分(コンベア速度に依存)
安定化時間: 2秒以下(動的計量用) 頻度: 毎週(高使用)または四半期(低使用)
自動キャリブレーション: 温度トリガーまたは時間ベース(装備の場合) 温度範囲: 0°Cから40°C(動作)、-20°C〜60°C(ストレージ)
振動抵抗: ±0.2g(産業振動のためのISO 10816-3) コンベア速度: 0.1–1.5 m/s(調整可能)
過負荷容量: 最大容量の120%(安全限界) EMCコンプライアンス: メカニズムを拒否します
電源: 24V DC±5%または100–240V AC、50/60Hz 再現性: 標的体重の±0.05〜0.2%(10回連続してテスト)
線形エラー: ±0.1〜0.3%のフルスケール 法的貿易: ntep(米国)、2014年半ば/32/EU(ヨーロッパ)、OIML R51(グローバル)
物質的な安全: FDA準拠(食品接触の場合)、ステンレス鋼316 データロギング: タイムスタンプ、重量、バッチID(CSV/PDFエクスポート)
メカニズムを拒否します: 空気圧/機械的(応答時間≤100ms)
ハイライト:

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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.
Attribute Value
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)
Key Components of Performance Evaluation
1. Initial Assessment and Mechanical Inspection
Before any tests begin, a thorough physical inspection is necessary to ensure the checkweigher's fundamental components are in good working order and not causing 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.
2. Calibration and Verification
Calibration adjusts the checkweigher to ensure correct measurements, while verification confirms the system's accuracy and consistency.
  • Static Calibration: Preliminary calibration with certified test weights while the conveyor is stopped to establish baseline accuracy.
  • Dynamic Calibration: Crucial test where a known product is passed over the moving conveyor multiple times to confirm motion weighing accuracy.
  • Repeatability Test: A single product of known weight is run through multiple times to check consistency within tight tolerances.
  • Corner Load Test: Weight is placed at different corners of the weigh platform to verify performance of all load cells.
Performance Evaluation and Certification for Checkweighing Equipment 0

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SMARTWEIGH INSTRUMENT CO.,LTD

コンタクトパーソン: Mrs. Shirley

電話番号: +86-15851932889

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