Needle Flame Tester，adjustable flame length tester

Whats/App: +86 156 1874 6768

Web: standard-groups.com

The needle flame test uses a needle-shaped burner of a specified size (0.9 mm), supplied with a specific gas (butane or propane), to apply a flame to the test specimen at a 45° angle for a set duration. The flammability risk of small flames caused by fault conditions within the equipment is assessed based on whether the specimen and the ignition support layer ignite, the duration of combustion, and the length of the flame.

Application

The needle flame tester is widely used in various fields, including but not limited to the following applications:

Electrical and electronic equipment: Used to evaluate the flame retardant performance of electrical and electronic products, ensuring the safety of equipment under abnormal conditions.

Household appliances: Used to test the flame retardant performance of materials inside household appliances, ensuring home safety.

Building materials: Used to evaluate the flame retardant performance of building materials, ensuring the safety of building structures.

Automotive interior parts: Used to evaluate the flame retardant performance of automotive interior parts, ensuring safety inside the vehicle.

Aerospace materials: Used to evaluate the flame retardant performance of aerospace materials, ensuring flight safety.

The needle flame tester assesses the flammability risk of materials by simulating small flames under fault conditions. It complies with international and domestic standards and is an important tool for improving product fire safety performance and ensuring personal and property safety.

Standard

GB/T 5169.5: Electrical & Electronic Equipment – Needle Flame Test Method

IEC 60695-11-5/IEC 60695-2-2: Fire Hazard Testing – Needle Flame Test Apparatus

IEC 60745-1/IEC 60335-1: Safety of Handheld Motor-Operated Tools & Household Appliances

IEC 60950-1/IEC 60598-1/IEC 60065: IT Equipment, Luminaires, & Audio/Video Safety

Advantages

Realistic Fault Simulation: Mimics small flames (≤12mm) from internal equipment faults using a 45° angled needle burner.

Precision Compliance: Meets IEC/GB standards for electrical product safety certification.

Automated Control: PLC + touchscreen for flame height adjustment, timing, and data logging.

High-Accuracy Flame: Stainless steel burner (Φ0.5±0.1mm) with butane/propane fuel for stable ignition.

Safety First: Auto-exhaust system and flame height calibration prevent operational risks.

Multi-Material Testing: Evaluates insulation materials, engineering plastics, and solid combustibles.

Features

Needle Burner Design: Φ0.5mm inner hole, 45° tilt angle for precise flame application.

Smart Touch Interface: Programmable control of combustion time (0–999.9s), flame height (12±1mm), and gas flow.

Flame Calibration: Auto-measures temperature rise (100°C→700°C in 23.5±1.0s) with K-type thermocouple.

Sample Bed: White pine board (10mm) + silk paper layer for realistic ignition testing.

Large Chamber: >0.5 m³ (customizable to 0.75/1 m³) with black background (

Exhaust System: 100mm diameter pipe with silent anti-backflow design.

Technical Parameters

Parameter	Specification
Burner Specs	Stainless Steel; Inner Φ0.5±0.1mm; Outer Φ0.9mm; Length >35 mm
Flame Angle	Vertical (Calibration) / 45° (Test)
Combustion Gas	95% Butane/Propane
Flame Temperature	100–700°C (Rise Time: 23.5±1.0s)
Test Time	0–999.9s (Adjustable; Default: 30s)
Burning Time Recording	0–9999s (Automatic)
Chamber Volume	>0.5 m³ (900×590×1050 mm); Custom Options: 0.75/1 m³
Exhaust Pipe	Φ100 mm
Control System	PLC + 7-inch Touchscreen
Dimensions (W×D×H)	1120 × 520 × 1250 mm
Net Weight	80 kg
Power Supply	AC 220V ±10%, 50Hz
Temperature Range	0–1000°C (K-Type Thermocouple)

Test Procedures

The operating procedure for the needle flame tester includes the following key steps:

Preparation: Ensure the instrument is in good condition, all components are present, and the power cord and connecting cables are intact.

Setting test parameters: Turn on the instrument's power, enter the main menu, and set test parameters such as temperature, time, and oxygen concentration.

Sample preparation: Place the sample on the test platform, ensuring the sample is flat and undamaged.

Starting the test: Press the "Start" button to begin the test. Observe the test process to ensure it proceeds smoothly.

Test completion: Press the "Stop" button to end the test. Adjust the angle of the needle flame gun so that the flame is applied vertically to the tested material.

During operation, operators should be familiar with the structure, principle, and operating method of the needle flame tester, ensure that the distance between the sample and the needle flame nozzle meets the requirements, and pay attention to safety to avoid accidents.

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