
Explosion Range Tester
The HWP21-30SE determines the upper and lower flammability limits of chemical vapors in the air at test temperatures and normal pressure. Suitable for gases, liquefiable liquids, and solid substances, it offers three modes: “gas sample process,” “liquid sample process,” and “solid sample process.”
Test Parameters
The Upper and Lower Flammability Limits (UFL and LFL)
Applicable Fields
Flammable Compound
Keywords
Flammability Hazards, Lower and Upper Explosive Limit
Features
Specifications
Operating Environment | 5°C – 40°C, <85% RH |
Test Object | Gases, Vaporizable Liquids or Solids |
Temperature Control Range of the Cabinet | -10–210 °C |
Temperature Control Accuracy | ± 1 °C |
Sample Temperature Measurement Range | -50–350 °C |
Sample Temperature Measurement Resolution | ±0.1 ℃ |
Sample Temperature Measurement Accuracy | ±0.5 ℃ |
Pressure Measurement Range | 0–110 kPa |
Pressure Measurement Accuracy | ± 0.1% FS |
Ambient Temperature Measurement Range | -10–60 °C |
Ambient Temperature Measurement Accuracy | ± 0.5 ℃ |
Ambient Humidity Measurement Range | 5% RH – 95% RH |
Ambient Humidity Measurement Accuracy | ± 5.0% RH |
Ambient Atmospheric Pressure Measurement Range | 60–110 kPa |
Ambient Atmospheric Pressure Measurement Accuracy | ± 0.5 kPa |
Work Can Reach the Vacuum Degree | ≤ 1.33 kPa |
Leakage Degree | ≤ 0.1 kPa/min |
Igniter Spark Gap | 6.4 mm |
Igniter Arc Voltage/Current | 15kV/30mA |
Ignition Duration | 0–1 s |
5L Glass Container Size | Diameter about 222 mm, height about 305 mm |
12L Glass Container Size | Diameter about 295 mm, height about 378 mm |
Stirring Speed | ≥ 300 rpm |
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