EXPLOSION CHARACTERISTICS OF GASES & VAPOURS
model: TESS 3.2

20-LITER SPHERE APPARATUS
FOR DETERMINATION OF EXPLOSION CHARACTERISTICS
OF GASES & VAPOURS:   LEL  ♦  UEL  ♦  P_max  ♦  (dp/dt)_max  ♦  K_G

STANDARD REFERENCES:

• EN 1839 (method B)   Determination of explosion limits of gases and vapours.
• EN 15967                   Determination of maximum explosion pressure and the maximum rate 
                                     of pressure rise  of gases and vapours.

SPECIFICATION:

• Explosion test vessel 20-liter sphere, stainless steel
• Working pressure Pmax ≥ 30 bar
• Software: ANKO Gas Explosion Plotter® 
    - LEL, UEL
    - pmax, (dp/dt)max, KG - automatic test procedure      - enhanced test procedure
    - noise reduction applied
    - test report printing
• Measurement range:
    - explosion pressure Pmax 0-25 [bar abs]
    - explosion pressure rise rate (dp/dt)max >4000 [bar/s]
    - normalised explosion pressure rise KG >1000 [bar/s]
    - lower explosion level LEL 0% - 100%
    - upper explosion level UEL 0% - 100%
• Built-in gas stirrer 800 rpm
• Ignition block:
    - fusing wire method
    - spark ignition (optional)
• Partial pressure gas range: 0-1 bar abs
    - mixture composition accuracy: 1 mbar
• Initial vacuum pressure basic: 5 mbar abs max.
   - 0,1 mbar abs (optional)
• Vessel temperature range: 20-150°C , PID control
• Gas temperature probe type K thermocouple installed inside vessel
• Sight glass single glass window diameter 42mm
• Vacuum evaporator separate heating system vacuum value
• Smoke extractor outlet ø100-150 ◦ 4”-6”
• Dimensions: 750 x 600 x 2200 mm
• Weight: 180kg
• Power supply: 110 or 230 VAC

• tess-32-20l-sphere-gases.pdf (PDF)