Sierra Monitor Corporation 55, T10008 instruction manual Weight

WEIGHT	11 Oz. (0.3 Kg)
INTERFERING GASES	Ozone, chlorine and other highly
	oxidizing gases will interfere to the
	extent of their oxygen equivalent. Highly
	corrosive atmosphere will cause
	premature failure.
CASE	Three-piece, molded of high impact
	plastic.

OXYGEN DEFICIENCY MONITOR PAGE 15