UL94 테스트는 UL94 표준시험법인 94HB 및 94V-0, 94V-1, 95-5V, 94VTM-0, 94VTM1, 94VTM2에 적용하며, 이는 전기전자 제품 제조 관련 산업분야에 걸쳐 폭넓게 적용되는 시험으로써, 수직 도는 수평으로 놓인 샘플의 연소속도(burning rate)를 측정하는 데 사용된다. 

Concept Equipment사의 향상된 UL94 모델은 최신의 기술을 활용하여, 사용자 편의의 시험이 가능하도록 인체공학적으로 설계되었다.

Standards

UL94
• Safety of Flammability of Plastic Materials for Parts in Devices and Appliances

IEC 60695-11-10/20
• Test Flames – 50 W Horizontal and Vertical Flame Test Methods
• Test Flames – 500 W Flame Test Method

ISO 1210
• Plastics – Determination of the Burning Behaviour of Horizontal and Vertical Specimens in Contact With a Small-Flame Ignition Source

ISO 9773
• Plastics – Determination of Burning Behaviour of Thin Flexible Vertical Specimens in Contact with a Small-Flame Ignition Source

ISO 10351
• Plastics – Determination of the Combustibility of Specimens Using a 125 mm Flame Source

BS 2782
• Methods of Testing Plastics. Thermal Properties. Determination of the Burning Behaviour of Horizontal and Vertical Specimens in Contact with a Small-Flame Ignition Source

ASTM D635
• Standard Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position

ASTM D3801
• Standard Test Method for Measuring the Comparative Burning Characteristics of Solid Plastics in a Vertical Position

ASTM D4804
• Standard Test Method for Determining the Flammability Characteristics of Non-rigid Solid Plastics

ASTM D 4986
• Standard Test Method for Horizontal Burning Characteristics of Cellular Polymeric Materials

Specification & Features

• The instrument complies with the UL94 standard (excluding radiant panel testing)
• Draft free corrosion coated chamber with volume of more than 1m³
• Extraction system with low noise fan (62.5 dB) and back draft damper
• Large area opening tempered glass window to allow easy viewing
• Adjustable burner angle - 0°, 20° and 45°
• Ergonomically designed access ports for sample and burner positioning
• Integral control panel which includes: 
• Three digital timers
• Pressure manometer
• Extractor switch and control
• Calibrated Gas flow meter
• Gas solenoid control switch with indicator lamp
• Interior light
• Bench mounted with optional support frame.
• Other European tests can be performed on the apparatus, such as; IEC 60695-11-10/20, IEC 60707, IEC 60695-2-2, ISO 1210, 9772.3, 9773, 10351, as well as BS 2782 Methods,140A and 140B.
• Other ASTM test methods can also be performed on the apparatus including; ASTM D635, D3801, D4804, ASTM D4986, D5025 and D5048.

Technical Data & Requirements

• Electrical: 115 to 230 Volts AC 5 Amps @ 230V
• Ambient Temperature: Operating 10°C to 35°C
• Dimensions: 1500mm (W) x 826mm x (H) x 1150mm (D)
• Gas Supplies: The fuel gas used in the test is methane with a minimum purity of 98%.The pressure required to obtain flame stability needs to be adjustable between 0-2 bar.