601/651 PORTABLE GAS DETECTORS
Aim Safety USA, Inc.: Features field-replaceable, high-efficiency integral pump for remote sampling of confined spaces before entry. Pump has auto-shutoff to prevent damage when flow is obstructed. High-strength ABS construction, weighs less than 20 ounces, and operates with pump operating for up to 8.5 hours on AA alkaline or nicad batteries. 651 has full data-logging capabilities. Sealed option for extremely harsh environments. (800) 275-4246.