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SED-300SLY-B

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SED-300SLY-B

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SED-300SLY-B — Automatic Seed Counter

La description complète de ce modèle est encore en cours de traduction. Consultez les détails en anglais ou demandez des informations à notre équipe. English

SED-300SLY-B Automatic Seed Counter. Microcomputer-controlled (AT89S52) bench instrument for counting grains of rice, wheat, sorghum, corn, vegetable seeds, and similar agricultural samples. Electromagnetic vibratory fee

Délai de livraison

Sur devis

Cadence

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Fonctionnement

The instrument uses an electromagnetic vibrator to lift seeds along a helical trough on the sample plate. Seeds fall one-by-one through a photoelectric gate; each interruption generates a pulse that is amplified, shaped, and sent to the AT89S52 microcontroller. The controller counts via 74LS138 decoder and 74LS164 shift register, displaying the count on LED tubes. When the preset count is reached, the microcontroller cuts power to the vibrator and stops feeding. A membrane keypad provides count setting, zero, count start, and speed adjustment.

Processus de fonctionnement

1The instrument uses an electromagnetic vibrator to lift seeds along a helical trough on the sample plate.

2Seeds fall one-by-one through a photoelectric gate; each interruption generates a pulse that is amplified, shaped, and sent to the AT89S52 microcontroller.

3The controller counts via 74LS138 decoder and 74LS164 shift register, displaying the count on LED tubes.

4When the preset count is reached, the microcontroller cuts power to the vibrator and stops feeding.

5A membrane keypad provides count setting, zero, count start, and speed adjustment.

Caractéristiques techniques

Caractéristiques de la variante : SED-300SLY-B

Caractéristiques

Modèle

SED-300SLY-B

Tension

220V±20V 50Hz

Puissance

0.02 kW

Caractéristiques principales

Microcomputer (AT89S52) automatic counting

Electromagnetic vibratory feeder with helical trough

Photoelectric (silicon photo cell) sensing

5-digit LED display (count range 1–99,999)

Membrane keypad: up/down/left/right, zero/count/set buttons

Adjustable vibration speed knob

Auto-stop at preset count

Continuous working time > 50 hours

Interchangeable sample plates for different seed sizes (small: 0.7–4 × 0.7–12 mm; large: 3–10 × 3–12 mm)

Low price for full-automatic seed counting (~2,420 RMB / ~397 USD)

Count accuracy ≤2/1,000 for large seeds (≤4/1,000 for small seeds)

Throughput ≥1,000 grains per 3 min

Simple membrane keypad operation, no specialist training needed

Standard 220 V single-phase power, bench-top installation

Applications

Rice, wheat, sorghum, corn grain counting

Vegetable seed counting

Lab seed quality testing and germination rate sampling

Secteurs

Agriculture R&D

Seed industry

Agricultural universities and research institutes

SED

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