规格:1.1 x 2.0 x 3.75 英尺/ 2.8 x 5.0 x 9.5 公分 净重:2.9 蛊司/ 82 克 警报:低、高、STEL 和 TWA 响声和視覺警报;震动警报能选 Tests: Sensor integrity, circuitry, battery and audible/visual alarmson activation, battery (continuous) 泵:适配 Sampler 电动泵 Typical batterylife:1.5 year battery life (typical) with replaceable 3V battery