| Test Temperature |
Adjustable from room temperature to 150°C |
| Temperature Deviation |
±1°C |
| Oxygen Concentration (Oxygen Index) |
Direct digital display reading, resolution: 0.1% |
| Air Supply Pipeline |
Flow meter, pressure gauge, and needle valve |
| Measuring Range |
0-100% O₂, resolution: 0.1% vol/1L/min |
| Measurement Accuracy |
Class 2.5 |
| Combustion Cylinder |
Quartz glass, inner diameter: 75mm, height: 450mm |
| Gas Flow Rate (Top of Cylinder) |
90mm ±10mm/s |
| Gas Flow Rate (Inside Cylinder) |
40mm ±2mm/s |
| Input Pressure |
Adjustable from 0.25 to 0.5 MPa |
| Flow Meter |
One for oxygen and one for nitrogen, range: 1-10L/min, resolution: 0.1L/min |
| Gas Inlet System |
Includes pressure regulator valve, flow regulating valve, and mixing chamber |
| Ignition System |
Dedicated propane hand-held electronic igniter, copper tube diameter: 2.0mm, flame spray: 16mm ±1mm downward |
| Specimen Clamps |
One set for hard self-supporting materials and one for soft materials |
| Heating System |
Nickel-chromium alloy rapid heating wire, wound on a glass tube for uniform temperature distribution |
| Temperature Measurement |
Mineral-insulated heater thermocouple, accuracy: ±1.5mm |
| Gas Source |
Oxygen and nitrogen with purity above 98% (provided by the buyer) |
| Power Requirements |
AC 220V ±10%, 50Hz |
| Dimensions |
L530 × W350 × H605 mm |
