CK Insto Pvt. Ltd.

flammability chamber, as per UL standards for cables, is a specialized testing apparatus used to evaluate the fire resistance and flammability characteristics of cables and wires. Specifically, UL 1581 and UL 1666 are two common UL standards that specify testing methods and requirements for cables regarding their flammability and resistance to fire.

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Engineered to meet the stringent requirements of international standards like IEC 60695-2-10 and IEC 60695-2-11, this apparatus is an essential tool for manufacturers seeking to ensure the safety and compliance of their products with global fire hazard regulations.

Key Features and Design Highlights:

• Precise Temperature Control:

  • The apparatus features a high-grade nickel/chromium (Ni/Cr) alloy glow wire, which is heated to a precisely controlled temperature.

  • A closed-loop control system, with a dedicated thermocouple, maintains the glow wire temperature with high accuracy (e.g., ± 2°C), allowing for tests at a wide range of temperatures, typically from 550°C to 960°C.

• Automated and User-Friendly Operation:

  •  HMI Touchscreen Interface: A intuitive Human-Machine Interface (HMI) allows operators to easily set test parameters, including temperature, test duration, and contact time.

     

  • Automated Test Sequence: The system automatically moves the test specimen into contact with the glow wire at a controlled force (1.0 ± 0.2 N), maintains contact for the specified time (30 seconds), and retracts upon completion.

  • Integrated Timing: Digital timers accurately measure and record critical events, such as the time of sustained flaming combustion ( t i​ ) and the time after the specimen is removed from the glow wire ( ta​).

• Safety-First Test Chamber:

  • Enclosed & Ventilated: The test is conducted within a fully enclosed, dark chamber to prevent external light from affecting observations and to contain any smoke or fumes. A ventilation system is included to clear the chamber after the test.

  • Observation Window: A heat-resistant, transparent window allows the operator to safely observe the test process without direct exposure to heat or flame.

  • Robust Construction: The internal chamber is made of stainless steel to withstand high temperatures and resist corrosion.

• Comprehensive Safety Features:

  • Emergency Stop: An easily accessible emergency stop button immediately cuts all power.

  • Interlocked Door: The chamber door is equipped with a safety interlock that prevents the glow wire from being powered unless the door is securely closed.

Applications:

The CKINSTO Glow Wire Test Apparatus is indispensable for:

• Home Appliance Manufacturers: Testing plastic parts in refrigerators, washing machines, and air conditioners.

• Electrical Component Manufacturers: Evaluating connectors, terminal blocks, switches, and relays.

• Consumer Electronics: Ensuring the safety of plastic enclosures for TVs, computers, and other devices.

• Material Science Laboratories: For research and development of new fire-retardant materials.

CKINSTO offers various flammability testers compliant with different international standards. The most common model for plastics is the UL 94 Vertical and Horizontal Flammability Tester.

• Primary Goal: To assess how easily a plastic material ignites and its ability to self-extinguish (or its burning behavior) after being exposed to an open flame.

• Safety Compliance: It is crucial for manufacturers to ensure their plastic components comply with stringent international fire safety standards, most notably the UL 94 (Underwriters Laboratories) standard, which provides several flame ratings (e.g., V-0, V-1, V-2, HB).

• Testing Principle: The tester works by applying a controlled flame (typically from a Bunsen burner) to a test specimen for a specific duration in either a Vertical (V) or Horizontal (HB) orientation, inside a closed test chamber.

1. Afterflame Time: The time the material continues to burn with a flame after the test flame is removed.

2. Afterglow Time: The time the material continues to glow without a flame after burning stops.

3. Dripping: Whether the material melts and drips flaming particles that ignite a piece of cotton placed below the sample.

4. Burning Rate: For the Horizontal Burning (HB) test, the rate at which the flame travels along the specimen is measured.

The CKINSTO Glow Wire Heating Element Tester (also commonly referred to as a Glow Wire Test Apparatus) is a specialized laboratory instrument used to assess the fire hazard resistance and flammability of materials, particularly non-metallic parts (like plastics) used in electrical and electronic equipment.

Here is a detailed description of its purpose and key features:

The primary function is to simulate the effect of thermal stress that could be caused by a faulty or overheated component within an electrical device, such as:

• A glowing heating element.

• An overloaded resistor or connection.

• A fault current flowing through a wire.

The test determines whether the material will:

1. Ignite when exposed to the heat source.

2.  Self-extinguish within a short time after the heat source is removed.

3. Propagate fire by igniting a layer of material (like tissue paper) placed underneath if flaming droplets fall from the sample.

This test is critical for compliance with international safety standards like IEC 60695-2-10 and is often referenced in product standards for household appliances (e.g., IEC 60335-1).

The CKINSTO model, like other standard Glow Wire Testers, is built to precise international specifications:

In summary, the CKINSTO Glow Wire Tester is a sophisticated safety testing machine vital for quality control and regulatory compliance in the manufacturing of electrical and electronic goods, ensuring that the materials used will not easily ignite or spread fire in the event of an internal electrical fault.

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The CKINSTO UL 94 Vertical & Horizontal Flammability Tester is designed to test the flammability of plastic materials used in devices and appliances. It evaluates the material's resistance to ignition and the ability to self-extinguish after being exposed to an open flame, ensuring compliance with UL 94 standards.

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The CKINSTO Fabric Textile Vertical Flammability Tester is designed to measure the burning behavior of vertically oriented textiles and other flexible materials when subjected to a small defined flame source. It evaluates the ignition, flame spread, and after-flame behavior as per the requirements of ISO 6941.

The CKINSTO IPX3/IPX4 Hand-Held Shower is a portable, easy-to-use testing device specifically designed to evaluate the ingress protection of enclosures against spraying and splashing water, as defined by the IEC 60529 standard. This apparatus provides a cost-effective and versatile solution for manufacturers and quality control departments that require on-site or laboratory-based testing of large or irregularly shaped products.

This hand-held shower is an essential tool for verifying the IP rating of products such as outdoor lighting, electrical enclosures, vehicle components, and consumer electronics.

Key Features & Design Highlights:

• Standards Compliance: Engineered to precisely meet the test requirements for both IPX3 (Spraying Water) and IPX4 (Splashing Water) ratings. The device ensures accurate replication of the water spray patterns and flow rates specified in the IEC 60529 standard.

   

• Hand-Held Portability: Its lightweight and ergonomic design allows a single operator to conduct tests easily on products of various sizes and shapes, including those that are difficult to position within a fixed test chamber.

• Precision Nozzle: The shower head features a precision nozzle with a specific number of spray holes (e.g., 121 holes, each 0.5 mm in diameter). This design ensures that water is delivered at the correct flow rate and spray angle to meet the standard's requirements.

   

•  Integrated Water Flow Control: The unit is equipped with a built-in flow control and pressure regulation system, often with a pressure gauge, to ensure the water flow rate is consistently maintained during the test, typically 10 L/min ± 0.5 L/min as per the standard.

   

• Durable Construction: Built from high-quality, corrosion-resistant materials, such as stainless steel or high-grade plastic, to ensure long-term durability and reliability in a wet testing environment.

Test Capabilities:

• IPX3 (Spraying Water): The operator uses the hand-held shower to spray the test specimen at an angle of up to 60 degrees from the vertical. The test is performed for a specified duration, ensuring the enclosure can withstand water sprayed at a defined rate and angle.

• IPX4 (Splashing Water): The operator moves the shower head in a full semicircle (180°) to spray the enclosure from all directions. This simulates splashing water from any angle and is a critical test for products that may be exposed to rain, puddles, or other sources of random water splashes.

 Ingress Protection (IP) 

1. IP Test Chamber

2. IP Rating Test Chamber

3. Dust and Water Test Chamber

4. Ingress Protection Testing Equipment

5. Dustproof and Waterproof Test Chamber

6. Water Spray Test Chamber

7. IPX1 to IPX9 Test Chamber

8. IP Code Testing Machine

9. Water Ingress Test Equipment

10. Dust Ingress Test Chamber

11. Rain Test Chamber

12. Jet Spray Test System

13. Sand and Dust Test Apparatus

14. Drip Box Test Equipment

15. Environmental Protection Test Chamber

16. IEC 60529 IP Test Chamber

17. Electrical Enclosure IP Testing Machine

18. Waterproof Grade Test Machine

19. Weatherproofing Test Chamber

20. Sealing Effectiveness Test Chamber