Flameproof cum weather proof enclosure with glass window, push button, rotary switch in cast aluminum construction in compliance with requirements in respect of flameproof ness and temperature class suitable for use in Zone 1 & Zone 2 and gas groups IIA & IIB atmospheres. Certified by Central Institute of Mining & Fuel Research, Govt. of India. Range : 0.1 mg - 300g 1mg - 1000g 0.01g – 3kg 0.1g – 5kg