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Automatic Seed Counter with Rotary Sampling

【Introduction】Automatic counting and 12-cup rotary sampling, weighing and thousand-seed weight calculation.

MODEL:HM-SL20

+86 17853698681

Product details

Fully automatic seed counter series with rotary sampling platform

Seed counter touchscreen sampling and printing features

Seed counting applications for crops and other particles

Modular counter rotary sampler and automatic feeder

Seed counter touchscreen control interface

Twelve-station automatic rotary seed sampling

Synchronized automatic feeding module for HM-SL30

Seed counter pause speed alarm and data functions

HM-SL01 HM-SL10 HM-SL20 HM-SL30 configuration comparison

Seed counter dimensions operation and technical specifications

Hengmei company and staff group photograph

Hengmei laboratory scenes and company product overview

Product Overview

The HM Instruments HM-SL20 counts seeds for sample preparation and seed laboratory work. A rotary sampling unit distributes preset seed counts into 12 sample cups, advancing to the next cup after each count is complete. Automatic weighing records sample weight and calculates thousand-seed weight without an external balance.

Key Features

7-inch colour touchscreen with Chinese and English interface switching.
Set the number of cups and seed count for automatic average or customized sampling.
Automatic deceleration near the preset count; pause and resume or restart the counting process.
Adjust counting-disc speed and sensitivity; audible signals indicate progress and faults.
Preset counting stops the instrument when the selected quantity is reached.
Custom variety names and adjustable vibration settings for different samples.
Automatic result recording, local history viewing and USB export.
Built-in thermal adhesive-label printer for attaching sample records to seed bags.
Automatically record seed count, sample weight, thousand-seed weight, counting time and test time.

Applications

Prepare repeated preset-count seed portions for laboratory sample handling. Suitable crop examples include corn, rice, wheat, soybeans, sesame, vegetable seeds and melon seeds. Use the combined count and weight records when evaluating thousand-seed weight. Counting speed depends on particle geometry and size; adjust the vibration and sensitivity settings for the sample.

Technical Specifications

Parameter	Specification
Model	HM-SL20
Configuration	Automatic counting and 12-cup rotary sampling, weighing and thousand-seed weight calculation
Seed length	0.5–23 mm
Maximum counting speed	1,000–2,000 seeds/min; depends on seed shape and size
Counting capacity	1–9,999 seeds
Counting error	±2‰
Sensitivity setting	0–10
Display	7-inch colour touchscreen; 10.1-inch screen available as a customized configuration
Data output	Thermal adhesive-label printing and USB export
Main unit dimensions (W × D × H)	580 × 390 × 336 mm
Main unit weight	24 kg
Vibration noise	≤80 dB
Operating environment	−10 to 50°C; relative humidity <85%
Rotary sample positions	12
Sample cup size	Ø60 × 80 mm (H)
Counting-disc speed setting	0–99
Sampling unit dimensions (W × D × H)	360 × 390 × 197 mm
Sampling unit weight	12 kg
Continuous operating time	≥8 h
Standard power supply	AC 220 V, 50 Hz
Export power configurations	AC 100 / 110 / 200 / 240 V, 50/60 Hz

Configuration / Accessories

Seed counting unit
Rotary sampling unit with weighing function
Sample cups for the rotary unit
Power cable, discharge ports and thermal label paper
Instruction manual and certificate of conformity

Related Models

HM-SL01 provides manual collection after counting. HM-SL10 adds 12-cup rotary sampling. HM-SL20 adds weighing and thousand-seed weight calculation. HM-SL30 combines rotary sampling and weighing with a synchronized automatic feeder.

Operation and Support

Enter the variety name and preset count, then adjust the vibration and sensitivity settings for the seed type. Set the active cup quantity before starting the rotary sampling sequence. Review saved results and print labels or export records through USB after counting.