Released Gas Explosion Limit Tester

TESTech Instrument (Suzhou) Technologies is one of the leading manufacturers and suppliers of released gas explosion limit tester in China. Welcome to wholesale premium test equipment at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.

• This explosion limit tester can measure the explosion limits of combustible gases or volatilized solids or liquids in a high-temperature environment.
• It can also measure the maximum explosion pressure when combustible gas explodes.
• Explosion limits determined under high-temperature and high-pressure conditions provide important reference value for chemical process design, hazard assessment, and control.
• The tester satisfies the UL 9540A requirement to measure the lower flammability limit and maximum explosion pressure of gases released during battery thermal failure.
• It can also test upper and lower concentration limits for combustion and explosion of combustible gases or vapors, as well as explosion pressure and explosion index, and the results can be used to characterize combustion and explosion risk, explosion violence, and damage potential of the sample.

• Uses a 20 L stainless steel explosion sphere.
• Wrapped heater design enables rapid control and adjustment of the temperature inside the explosion vessel, with more stable heating rate.
• Equipped with imported high-precision pressure sensors; mixed gas is prepared by Dalton partial pressure method for accurate gas concentration control.
• Computer-controlled high-voltage automatic spark ignition.
• Equipped with imported OMEGA thermocouples from the USA, temperature accuracy ±0.5 °C.
• Equipped with a vacuum pump for chamber evacuation and an imported brand vacuum gauge.
• Equipped with imported gas distribution solenoid valves for automatic gas preparation and automatic measurement.
• Final combustion or explosion status can be judged through pressure changes.
• Magnetic stirring function ensures full gas mixing inside the vessel.
• Uses special explosion pressure sensors with high working temperature capability, stable performance, and higher accuracy.
• Computer automatic control system outputs temperature and pressure curves in real time and automatically calculates lower flammability limit, maximum explosion pressure, explosion index, and other test parameters.
• Fully automatic control with automatic vacuuming, automatic gas distribution, and automatic stirring.
• Stainless steel vessel pressure resistance: 2.0 MPa; burst valve pressure: 2.0 MPa.
• Explosion pressure sensor: 2.0 MPa, linearity ±1.0% FS.
• Pressure recording sampling rate: 10.0 kHz.
• High-voltage spark ignition energy: 15 kV, 30 mA; ignition electrode gap: 6.4 mm.

• Working environment: -5 to 45 °C, less than 95% RH.
• Test objects: gases or gasifiable solids and liquids.
• Chamber temperature control range: -10 to 250 °C.
• Temperature control accuracy: ±1 °C.
• Sample temperature measuring range: -50 to 300 °C.
• Sample temperature resolution: 0.1 °C.
• Sample temperature accuracy: ±0.5 °C.
• Pressure measuring range: 0 to 110 kPa.
• Pressure measuring accuracy: ±0.1% FS.
• Achievable vacuum level: not greater than 1.33 kPa.
• Leak rate: not greater than 0.1 kPa/min.
• Igniter spark gap: 6.4 mm.
• Igniter arc voltage/current: 15 kV / 30 mA.
• Ignition duration: 0 to 1 s.
• 20 L stainless steel vessel.
• Stirrer speed: not less than 300 rpm.

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