ZONESUN
ZONESUN ZS-MD910K Automatic Checkweigher & Metal Detector with Reject System
ZONESUN ZS-MD910K Automatic Checkweigher & Metal Detector with Reject System
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Description
The ZONESUN ZS-MD910K Automatic Checkweigher & Metal Detector combines dynamic weight inspection, metal detection and automatic rejection in one continuous conveyor system.
It detects underweight, overweight and metal-contaminated products, including compatible ferrous, non-ferrous and stainless-steel contaminants. Non-conforming products are automatically removed by the push-rod reject system, while qualified products continue downstream.
Inspection Process
Product Infeed → Metal Detection → Dynamic Checkweighing → Result Comparison → Automatic Rejection → Qualified Product Output
Technical Specifications
| Model | ZS-MD910K |
|---|---|
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Rated Power | 0.15 kW |
| Metal Detection Aperture | Approx. 150 mm H × 210 mm W |
| Reference Metal Sensitivity | Fe Φ1.0 mm / Cu Φ1.5 mm / SUS Φ2.0 mm under suitable test conditions |
| Single Product Weight | Up to 3000 g; customization available |
| Reference Weighing Accuracy | Approx. ±0.3 g to ±1 g, depending on product and speed |
| Minimum Division | 0.1 g |
| Conveyor Speed | 20–90 m/min |
| Reference Throughput | Up to 80 pcs/min under suitable conditions |
| Reference Product Size | Less than 280 mm L × 200 mm W; product height must fit the detection aperture |
| Reject Method | Push-rod rejection |
| Product Recipes | Up to 100 preset product programs |
| Air Supply | 0.6–1 MPa, Φ8 mm inlet |
| Machine Material | SUS304 stainless steel |
| Weighing Belt Size | Approx. 400 mm L × 210 mm W |
| Conveyor Direction | Left infeed → right outfeed when facing the machine |
Important performance note: Metal-detection sensitivity varies with product composition, moisture, salt content, temperature, package material, aperture size and conveyor conditions. Checkweigher accuracy also varies with product weight, package dimensions, conveyor speed, vibration and product spacing.
Checkweigher Touchscreen Control
Operators can set target weight, upper and lower tolerance limits, product recipes and operating parameters while monitoring inspection results in real time.
Metal Detector Controller
The independent touchscreen controller allows adjustment of metal-detection sensitivity and inspection settings for different products. Final sensitivity should be confirmed using actual samples and test pieces.
Metal Detection Tunnel
The inspection tunnel is designed to detect compatible ferrous, non-ferrous and stainless-steel contaminants as products pass through the conveyor. Products with metallic or metallized packaging require separate evaluation because the packaging itself can affect detection.
Dynamic Checkweighing
The weighing conveyor measures each product while it is moving and compares the result with the programmed acceptable range. Products that are underweight or overweight can be rejected automatically.
Automatic Reject System
The push-rod reject mechanism removes products that fail the configured metal or weight inspection criteria while allowing qualified products to continue downstream.
