... *160 Dot matrix LCD Memory:EEPROMS torage RLM-I Radon measurement instrument Technical parameters 1, Power supply:220VAC/5VDC,1APower adapter2, Battery ... )7, Sensitivity:70cpm·Bq-18, Working mode: continuous sampling period measurement mode:26 points, a precise pattern:5-99minutes of optional ... , Size:385mm×370mm×235mm14, Weight:3.5kg RLM-I Radon measurement instrument