"COMPACT, LIGHTWEIGHT, RUGGED ANALYZER INCORPORATING A CELL BLOCK THAT ENSURES EXTREMELY ACCURATE AND FAST ANALYSIS OF OXYGEN LEVELS IN A SAMPLE GAS; HIGH ACCURACY AND SENSITIVITY OVER A WIDE RANGE OF TEMPS ACHIEVED W/PATENT PENDING CELL BLOCK DESIGN AND PROPRIETARY ELECTRONICS; PROVIDES CONTINUOUS TEMP COMPENSATION BETWEEN 5-45 DEG C; METALLIC CELL BLOCK; REVOLUTIONARY FLOW THRU DESIGN; ZERO AND SPAN GASES NOT REQUIRED; EXTENDED LIFE, LOW COST ELECTROCHEMICAL SENSOR SPECIFIC TO OXYGEN; 2 FORM C RELAYS 3A, PROGRAMMABLE LOGIC ALARMS; 9 MONTH EXPECTED SHELF LIFE; APPROX WEIGHT:5 LBS; EASY TO READ 3 1/2 DIGIT LCD; 3 POSITION SELECTOR SWITCH: 0-10%, 0-25% AND 0-100%"