32-Channel Electronic Counting Machine for Tablets

Accurate counting is a non-negotiable requirement in pharmaceutical and nutraceutical bottling. Whether the product is a standard round tablet, a hard capsule, a soft gel, or a sugar-coated pill, the count in each bottle must match the label declaration precisely. The Fully Automatic 32-Channel Electronic Particle Counting Machine is designed to meet this requirement at production-relevant speeds, combining multi-channel vibratory feeding with photoelectric sensor counting to deliver consistent, auditable output across a wide range of solid dosage forms.

Product Overview

The Fully Automatic 32-Channel Electronic Particle Counting Machine is a high-speed counting and bottling solution for pharmaceutical and nutraceutical production lines. It is designed to count and fill tablets, hard capsules, soft capsules, pills, and solid granules into bottles at speeds from 10 to 100 bottles per minute, depending on product type, target count, and bottle configuration.

The machine integrates 32-channel vibratory feeding with a photoelectric sensor counting system to separate, detect, and count individual dosage units before they are discharged into the bottle. This combination of multi-channel feeding and sensor-based counting supports the accuracy and throughput requirements of modern pharmaceutical and supplement bottling lines.

What This Machine Is Designed to Count

The 32-channel counting machine is designed for the full range of solid oral dosage forms used in pharmaceutical and nutraceutical production. Applicable products include standard tablets and irregular-shaped tablets, hard capsules from size 000 to size 5 covering the full range of standard capsule dimensions, soft capsules with diameters from 5.5 mm to 22 mm, pills with diameters up to 20 mm, sugar-coated tablets, and other solid granule forms that can be separated and detected individually by the sensor system.

The range of applicable capsule sizes — from the large 000 capsule to the small size 5 — means the machine can be configured for products across the full spectrum of pharmaceutical and supplement dosage forms without requiring a separate machine for each capsule size. Soft capsule compatibility extends the machine's applicability to fish oil, vitamin E, and other softgel supplement products that are increasingly common in nutraceutical bottling lines.

32-Channel Feeding for Stable High-Speed Counting

The 32-channel vibratory feeding system is the foundation of the machine's throughput capability. Product is loaded into the hopper and distributed across 32 parallel feeding channels by controlled vibration. Each channel carries a single-file stream of product units toward the sensor detection zone, where each unit is counted individually as it passes through.

The multi-channel design provides two key advantages over single-channel or low-channel-count systems. First, it increases the total number of units that can be counted per unit time, supporting the 10 to 100 bottles per minute output range across different product and count configurations. Second, it improves counting continuity: because 32 channels are feeding simultaneously, the sensor system receives a steady stream of units rather than intermittent bursts, which reduces the variation in fill time per bottle and supports consistent line speed.

Channel separation also reduces the risk of double-counting caused by two units passing through the detection zone simultaneously. When product is spread across 32 channels, the density of units in each individual channel is low enough that single-file flow is maintained reliably, provided the product dimensions are within the machine's specified range.

Sensor-Based Counting Accuracy

The machine uses a photoelectric sensor array to detect and count each unit individually as it passes through the counting zone. The sensor system detects the interruption of a light beam caused by each passing unit, generating a count signal that is independent of unit weight, density, or surface finish variation.

This approach eliminates the count error that is inherent in weight-based filling, where unit weight variation within a batch produces a range of counts around the target rather than a precise count. Sensor-based counting guarantees the exact target count in every bottle, regardless of whether individual units are at the high or low end of their weight specification.

The Electronic Particle Counting Machine range from Keypack Intelligent applies this sensor-based counting principle across different channel configurations and speed ranges, allowing the right machine to be matched to the specific throughput and product requirements of each bottling line. Compared with manual counting, sensor-based counting eliminates human error, reduces labor cost, and provides a countable, auditable production record for quality and regulatory purposes.

Bottle Compatibility and Production Fit

The machine is compatible with bottles from 30 to 100 mm in diameter and 50 to 180 mm in height. This range covers the standard bottle formats used in pharmaceutical and supplement bottling: small-mouth tablet bottles, standard supplement jars, and taller bottles used for high-count products.

Bottle diameter compatibility from 30 to 100 mm means the machine can run narrow-mouth pharmaceutical bottles and wider supplement jars on the same platform, with adjustment between formats handled through the machine's bottle positioning system. Height compatibility from 50 to 180 mm accommodates both short, wide jars and tall, narrow bottles without requiring a different machine for each format.

This format flexibility is particularly valuable for contract manufacturers and supplement brands that run multiple SKUs with different bottle sizes on the same line. The ability to adjust for different bottle dimensions without changing the core counting system reduces changeover time and capital cost compared with maintaining separate counting machines for each bottle format.

Dust Control and Anti-Jamming Options

Two optional features address common operational challenges in tablet and capsule counting lines. The first is an optional dust collection box that captures airborne powder and coating dust generated during the counting and filling process. In pharmaceutical environments where airborne contamination must be controlled for product quality and operator safety, the dust collection option reduces the amount of dust that escapes into the production area and simplifies cleaning between batches.

The second option is a special nozzle structure designed to prevent tablet jamming at the bottle mouth. Standard discharge chutes can cause jamming when tablets or capsules bridge across the opening of small-mouth bottles, interrupting the fill cycle and requiring operator intervention. The anti-jamming nozzle geometry reduces the frequency of bridging events, improving line continuity for products and bottle formats that are prone to this issue. This option is particularly relevant for lines running small-mouth pharmaceutical bottles or products with irregular shapes that are more likely to bridge at the discharge point.

Key Technical Parameters

Where This Machine Fits in a Complete Bottling Line

The 32-channel counting machine is the core counting station in a complete pharmaceutical or supplement bottling line. Upstream, bottles are fed to the counting station by a bottle unscrambler or conveyor system that positions each bottle under the discharge chute in sequence. The counting machine fills each bottle to the target count and releases it to the downstream conveyor.

After filling, the bottle moves to capping. The Turntable Automatic Capping and Screw Capping Machine applies caps at production speed with consistent torque, sealing each bottle before it moves to labeling. Labeling applies product labels, lot codes, and expiry dates. Inspection — either inline vision or checkweighing — verifies that each bottle is correctly filled, capped, and labeled before it enters the cartoning stage.

Each downstream stage must be matched in speed to the counting machine's output rate to prevent accumulation or starvation at any point in the line. When planning a complete bottling line, the counting machine's bottles-per-minute output at the target count per bottle should be used as the reference speed for sizing all downstream equipment.

Why Choose This Machine for Tablet and Capsule Bottling

The 32-channel electronic counting machine brings together the features that matter most for pharmaceutical and nutraceutical bottling. The 32-channel vibratory feeding system provides the product separation and throughput capacity needed to support 10 to 100 bottles per minute across a wide range of dosage forms and count targets. Photoelectric sensor counting delivers exact count accuracy that weight-based filling cannot match, eliminating both underfill risk and systematic overcount giveaway.

Compatibility with tablets, hard capsules from size 000 to 5, soft capsules up to 22 mm, pills up to 20 mm, and sugar-coated tablets means a single machine platform covers the full range of solid oral dosage forms used in pharmaceutical and supplement production. Bottle compatibility from 30 to 100 mm diameter and 50 to 180 mm height supports multiple SKUs and bottle formats on the same machine.

The optional dust collection box and anti-jamming nozzle address the specific operational challenges of pharmaceutical environments and small-mouth bottle formats. And the machine's compatibility with upstream bottle feeding and downstream capping, labeling, and cartoning equipment makes it a practical core station for a complete automated bottling line.

Ready to configure your tablet or capsule bottling line? Contact Keypack Intelligent to match your tablet, capsule, pill, or supplement product with the right counting speed, bottle size, feeding design, and downstream bottling line configuration. Our engineering team will help you select the options and integration that fit your production requirements.