General Description:
A gas detector system consisting of a toxic gas and detector pump, carrying case, lubricant, rubber tube holders and instructions for use; pump, a positive displacement type operated with variable orifices which provide flow rates of 25 to 200 cc/minute have a capability to sample toxic metal gas or vapor, organic and inorganic gas, vapor or mist; capable of change from a high rate to low rate of flow sampling with a flow meter variation of no more than plus or minus 5 pct when using 0.45 to 5 micronfilte media; constructed of a suitable material to resist deterioration caused by sampling corrosive gases and vapors; handle lock at 50 or 100 cc intake volume; measure approximately 8 inches in length and weighs 10 ounces; compatible with gas detection tubes
Dept. of the Army 
Dept. of the Navy