Detector min detectable level 2 picograms of benzene, sensitivi type 0.3 coulombs/gram of benzene, carrier flow rate 10-150 cc/min., operating temp ambient to 300 degrees c, 0.125 in. Sample input connection, sample outlet connection 0.0625 in. Od tubing, 115 vac, 70 w max, 10.2 cm h, 9.2 cm max dia, lamp housing diameter 4.1 cm; electrometer/power supply, 22.9 cm h, 22.9 cm w, 19.7 cm d