Established in 1994, Cometech Testing Machines, Taiwan’s best quality control instrument manufacturer, which has invested in product development, design and manufacturing for a long time. The quality and function of our products continue to update and improve. We have a team of engineers with software and hardware R&D capabilities. In Taiwan, we are the pioneer of QC instrument industry. We are also the largest instrument manufacturer in Taiwan and have our own R&D center.
 
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Other Testing Machines from Cometech

Cometech AAK Mechanical Force Gauge

Key Features

  • Zero Power Required: Operates on a 100% mechanical spring-driven system, making it ideal for field use or environments where batteries and charging are unavailable.

  • Peak Hold Function: Features a toggle switch between “Track” mode (real-time reading) and “Peak” mode, which captures and holds the maximum force encountered during the test.

  • Heavy-Duty Construction: Designed for industrial reliability and long-term durability. Its mechanical nature makes it resistant to electronic interference and easy to maintain.

  • Dual-Scale Display: The dial provides simultaneous readings in both Newtons (N) and Kilograms (kg), eliminating the need for manual unit conversions.

  • Versatile Mounting: Can be used as a portable handheld device or mounted onto a manual or motorized test stand for more controlled and repeatable force applications.

Technical Specifications

  • Measuring Range: Available in various capacities from 10N (1kg) up to 500N (50kg).

  • Resolution: 100 graduations on the circular dial (model dependent).

  • Accuracy: ±1% of Full Scale.

  • Stroke: 10 mm.

  • Standard Accessories: Includes 6 types of attachment heads (Flat, Cone, Hook, etc.) and a rugged carrying case.

Cometech AHF Digital Force Gauge

Key Features

  • High Resolution & Precision: Features a clear digital LCD readout that eliminates visual reading errors and offers significantly higher resolution compared to mechanical spring-type gauges.

  • 180° Reversible Display: The screen orientation can be flipped upside down at the touch of a button, ensuring optimal readability whether the device is handheld or mounted upside down on a test stand.

  • Smart Measurement Modes: Supports Real-time (Track), Peak Hold, and a built-in Comparator function that allows users to set high/low force limits for immediate Pass/Fail judgment.

  • Data Storage & Connectivity: Capable of storing up to 1,000 data points in internal memory. Supports data export to a PC via USB or RS-232 for graphical analysis and reporting.

  • Multi-Unit Selection: Users can instantly toggle between Newtons (N), Kilograms (kg), and Pounds (lb) depending on the required testing standard.

Technical Specifications

  • Measuring Range: Various models available from 2N (200g) up to 1,000N (100kg).

  • Accuracy: ±0.2% of Full Scale.

  • Sampling Rate: High-speed 1,000 Hz (1,000 samples per second) to capture instantaneous peak loads accurately.

  • Power Supply: Rechargeable lithium battery (provides over 10 hours of continuous use).

  • Standard Accessories: 6 types of attachment heads, charging cable, and data link

Teclock SM-1201 Dial Thickness Gauge

Key Features

  • Fast and Accurate Measurement: Specifically designed for measuring the thickness of paper, film, rubber, leather, and small metal parts with a simple lever-operated mechanism.

  • Ceramic Contact Points: Both the contact point and the anvil are made of high-grade ceramic, which is highly resistant to wear and corrosion-free, ensuring long-term precision compared to standard steel components.

  • Clear Analog Readout: Features a large, easy-to-read dial display with a resolution of 0.01 mm, making it ideal for rapid quality control checks on the production floor.

  • Ergonomic Lever Control: Designed for easy one-handed operation; simply lift the lever to insert the specimen and release it to apply a constant spring pressure for an accurate reading.

  • Optimal Throat Depth: The SM-1201 offers a throat depth of 26 mm, providing sufficient clearance to measure specimens further away from the edge than standard compact models.

Technical Specifications

  • Graduation: 0.01 mm.

  • Measuring Range: 0 – 10 mm.

  • Throat Depth: 26 mm.

  • Measuring Force: Less than 2.5 N.

  • Accuracy: ±15 $mu m$.

  • Weight: Approx. 170g.

Cometech QC-117 Coefficient of Friction Tester

Key Features

  • COF Measurement: Specifically designed to determine both the Static and Kinetic Coefficients of Friction (COF) for flat materials, including plastic films, paper, leather, and coated sheets.

  • Motorized Drive System: Features a motorized linear drive that ensures a constant and uniform pulling speed (e.g., 150 mm/min), adhering strictly to international testing standards and eliminating manual variability.

  • Standardized Sled: Equipped with a precision sled of specific mass and contact area as required by ASTM or ISO, providing a consistent downward force on the specimen.

  • Accurate Data Processing: Integrates with a high-resolution Digital Force Gauge to accurately capture peak force (Static) and average moving force (Kinetic).

  • Effortless Specimen Loading: Includes robust clamping mechanisms on both the test bed and the sled to prevent specimen wrinkling or slippage during the procedure.

Technical Specifications

  • Conforming Standards: ASTM D1894, ISO 8295, TAPPI T816.

  • Test Speed: 150 mm/min (Standardized) or customized as per requirements.

  • Sled Weight: 200g (ASTM Standard) or customized options available.

  • Travel Distance: 100 ~ 200 mm.

  • Display System: Digital Readout (when paired with a Digital Force Gauge).

  • Dimensions: Approx. 60 x 30 x 25 cm | Weight: Approx. 25 – 30 kg.

Testing Video

Cometech QC-117A Motorized Coefficient of Friction Tester

Key Features

  • Integrated Intelligent System: The 117A model features a built-in digital display that automatically calculates both Static and Kinetic Coefficients of Friction (COF) immediately after the test is completed.

  • Servo-Driven Precision: Utilizes a high-precision motor drive to provide a perfectly uniform pulling speed. Its vibration-free movement is critical for obtaining accurate Kinetic COF readings.

  • Auto-Stop Functionality: Automatically stops at the pre-set travel distance or if an overload is detected, protecting the high-sensitivity load cell from accidental damage.

  • User-Friendly Interface: Equipped with intuitive directional controls and travel distance settings, facilitating rapid, repetitive testing in high-volume quality control environments.

  • Versatile Application: Ideal for testing plastic films, paper, rubber, textiles, and various flat-surface materials to ensure consistent slip and blocking properties.

Technical Specifications

  • Conforming Standards: ASTM D1894, ISO 8295, TAPPI T816.

  • Load Capacity: 20 N (2 kg) or as per customer specification.

  • Resolution: 0.01 N.

  • Speed Range: 10 ~ 500 mm/min (Adjustable).

  • Sled Weight: 200g (Standardized) or customized options.

  • Dimensions: Approx. 65 x 35 x 30 cm | Weight: Approx. 35 kg.

Testing Video

Cometech QC-119 FPC Flexible Testing Machine

Key Features

  • FPC Fatigue Testing: Specifically engineered to evaluate the flexing resistance and durability of Flexible Printed Circuits (FPC) and ribbon cables under repetitive bending stress.

  • Flexible Parameter Settings: Allows for precise adjustment of the bending angle and testing speed, enabling users to simulate real-world operating conditions for various electronic components.

  • Automated Cycle Management: Equipped with a digital counter that automatically halts the operation once the target cycle count is reached or if an electrical circuit break is detected in the specimen.

  • Precision Clamping System: Features specialized jigs designed to hold the specimen securely while minimizing unwanted stress concentrations at the clamping points, ensuring the test focus remains on the material’s flexibility.

  • High-Stability Drive: Utilizes a smooth motorized drive system to ensure consistent bending rhythm and eliminate sudden jolts that could compromise test data integrity.

Technical Specifications

  • Bending Angle: 0 ~ ±180° (Adjustable).

  • Testing Speed: 10 ~ 60 cycles per minute (model dependent).

  • Test Stations: 1 Station (Multi-station configurations available upon request).

  • Counter: Digital display, 0 ~ 999,999 cycles.

  • Load Weights: Includes various weights (e.g., 50g to 500g) to maintain specimen tension.

  • Dimensions: Approx. 50 x 40 x 60 cm | Weight: Approx. 40 – 55 kg.

Cometech QC-GF-300 Electronic Densimeter

Key Features

  • Rapid & Precise Measurement: Designed to measure the Specific Gravity (SG) and Density of solid materials based on Archimedes’ Principle (liquid displacement method).

  • Instant Digital Results: By weighing the specimen in air and then in water, the device automatically calculates and displays the density digitally, eliminating manual calculation errors.

  • High Resolution: Provides a weighing resolution of 0.001g and a density resolution of 0.001 $g/cm^3$, making it ideal for strict quality control (QC) requirements.

  • Water Temperature Compensation: Allows users to input the actual water temperature to compensate for changes in water density, ensuring the highest level of accuracy across different environments.

  • Versatile Application: Suitable for testing rubber, plastics, pellets, wire & cables, ceramics, and precious metals.

Technical Specifications

  • Maximum Capacity: 300g.

  • Weighing Resolution: 0.001g.

  • Density Resolution: 0.001 $g/cm^3$.

  • Testing Principle: Archimedes’ Principle.

  • Standard Accessories: Wind shield, water tank, floating/sinking specimen attachment, and calibration weight.

  • Dimensions: Approx. 20 x 25 x 25 cm | Weight: Approx. 4 – 6 kg.

Cometech QC-310A Manual Twist Counter for Steel Wire

Key Features

  • Torsion and Ductility Testing: Specifically designed to determine the number of twists a steel or metal wire can withstand before fracturing, providing essential data on the material’s ductility and structural uniformity.

  • Precision Counter: Equipped with a clear mechanical or digital counter to track the exact number of rotations, ensuring accurate data capture at the point of specimen failure.

  • Adjustable Specimen Length: The sliding grip assembly allows for easy adjustment of the testing distance to accommodate various wire lengths as specified by international testing standards.

  • Constant Tension Mechanism: Features a dead-weight tensioning system at one end to keep the wire taut during the twisting process, preventing slack which could lead to inaccurate cycle counts.

  • Manual Crank Operation: Operated via a smooth manual hand-crank designed for ease of use and consistent rotational speed, making it an ideal choice for standard QC laboratory environments.

Technical Specifications

  • Wire Diameter Range: Approx. $phi 1.0 sim phi 4.0 text{ mm}$ (depending on material hardness).

  • Maximum Grip Distance: 300 mm or 500 mm (depending on specific model).

  • Counter Range: 0 ~ 9,999 rotations.

  • Tension Weights: Standard weight set included for pre-tensioning.

  • Dimensions: Approx. 100 x 30 x 40 cm | Weight: Approx. 35 – 50 kg.

Cometech QC-625 De Mattia Flexing Fatigue Tester

Key Features

  • Rubber Fatigue Evaluation: Specifically designed to determine the resistance of rubber and elastomers to crack initiation and crack growth (propagation) under continuous repetitive flexing.

  • Multi-Specimen Testing: Capable of testing up to 6 or 12 specimens simultaneously (depending on the configuration), maximizing laboratory throughput and ensuring consistent comparative data across different batches.

  • Automated Cycle Control: Equipped with a high-precision digital counter featuring an auto-stop function, allowing the operator to pre-set the required cycles for scheduled inspections.

  • Heavy-Duty Construction: Built for long-term continuous operation with a robust motorized drive system designed to minimize vibration and operational noise during extended test periods.

  • Adjustable Grip Distance: Features adjustable clamping distances between grips to ensure full compliance with specific stroke requirements mandated by international testing standards.

Technical Specifications

  • Conforming Standards: ASTM D430, ISO 132, BS 903, JIS K6260.

  • Flexing Speed: 300 cycles per minute (cpm).

  • Stroke Length: 0 ~ 60 mm (Adjustable).

  • Test Stations: 6 or 12 positions.

  • Counter: Digital display, 0 ~ 9,999,999 cycles.

  • Dimensions: Approx. 60 x 50 x 50 cm | Weight: Approx. 100 – 150 kg.

Cometech QC-638 Vertical Rebound Resilience Tester

Key Features

  • Resilience Measurement: Specifically designed to determine the rebound resilience percentage of rubber and polymers by dropping a standardized plunger vertically onto the specimen.

  • Height Precision: Features a high-visibility, calibrated scale that allows operators to accurately measure the rebound height of the plunger, which is used to calculate the material’s resilience.

  • Low-Friction Design: The guide tube is engineered to minimize friction during the drop and rebound, ensuring that energy loss is attributed solely to the specimen’s properties rather than mechanical resistance.

  • Simple & Robust Operation: A manual, high-durability design that is easy to operate, making it an essential tool for rapid quality control in rubber, elastomer, and foam laboratories.

  • Safety & Stability: Constructed with a heavy-duty frame to withstand repetitive impacts and a stable base to prevent vibration interference during the measurement process.

Technical Specifications

  • Conforming Standard: ASTM D2632.

  • Plunger Weight: 28g (per ASTM requirements).

  • Release Height: 400 mm (16 inches).

  • Display: Graduated scale (0 – 100 units).

  • Applicable Materials: Soft rubber, elastomers, polyurethane foam.

  • Dimensions: Approx. 20 x 20 x 60 cm | Weight: Approx. 10 – 15 kg.

Cometech QC-643B Stiffness Tester

Key Features

  • Stiffness Measurement: Specifically designed to measure the force required to bend a specimen to a predetermined angle, providing a critical index of the bending resistance and “hand-feel” of flat materials.

  • Motorized Drive System: Features an integrated electric motor that ensures a constant and uniform bending speed, eliminating human variability and delivering high repeatability in test results.

  • Digital Display Interface: Provides real-time readouts of torque/force and bending angles, allowing operators to capture peak values and performance curves with high precision.

  • Adjustable Test Parameters: The testing span and bending speed are adjustable, allowing the machine to comply with various international standards and different material thicknesses.

  • Multi-Material Compatibility: Ideal for evaluating thin plastic sheets, cardboard, synthetic leather, fine metal wires, and foils.

Technical Specifications

  • Conforming Standards: ASTM D747 (and related standards).

  • Bending Angle Range: 0 ~ 90 degrees.

  • Display System: Digital Display.

  • Angle Resolution: 0.1 degree.

  • Load Weights: Includes a set of weights to calibrate the load range based on the material’s inherent stiffness.

  • Dimensions: Approx. 40 x 30 x 45 cm | Weight: Approx. 25 – 35 kg.

Cometech QC-701A Color Assessment Cabinet (Super Daylight)

Key Features

  • Standardized Light Simulation: Designed to detect metamerism (color shifting) by simulating various lighting environments, ensuring consistent product color whether viewed in a store, outdoors, or indoors.

  • Super Daylight System: This model emphasizes high luminance and a superior Color Rendering Index (CRI), allowing for the precise evaluation of subtle shade differences.

  • Multiple Light Sources: Equipped with 5 to 6 international standard light sources (e.g., D65, TL84, CWF, F, UV) to comply with global export standards for the US, Europe, and Asian markets.

  • Digital Timer for Lamp Life: Features an integrated digital display that tracks the accumulated hours for each lamp type, alerting users when a lamp needs replacement to maintain standardized light intensity.

  • Non-Reflective Interior: The interior is finished with a neutral gray coating (Munsell N7) to prevent light reflection and ensure that the surrounding environment does not interfere with color perception.

Technical Specifications

  • Standard Light Sources:

    • D65: International Standard Artificial Daylight.

    • TL84/U30: Applied to store lighting in Europe and the US.

    • CWF: Cool White Fluorescent (Office/Factory lighting).

    • F/A: Incandescent/Tungsten (Sunset/Home lighting).

    • UV: Ultraviolet (Used to detect optical brighteners/fluorescent dyes).

  • Construction: Rigid metal frame with durable epoxy powder coating.

  • Viewing Area: Approx. 60 x 40 x 40 cm (Large size options available).

  • Power Supply: 220V, 50/60Hz.

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107/69 Moo 6, Khu Khot, Lam Luk Ka District, Pathum Thani 12130

E-mail : [email protected]
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