"GEIGER-MUELLER ALPHA, BETA, GAMMA PROBE W/THIN END WINDOW; RADIATION DETECTED: ALPHA ABOVE 4 MEV; BETA ABOVE 70 KEV, GAMMA ABOVE 6 KEV; 3900 CPM/MR/HR SENSITIVITY; -56 TO 85 DEG C TEMP RANGE; 0 TO 5 PSIG PRESSURE RANGE; WELL IS STAINLESS STEEL; 10.2 CM ACTIVE LG; 3.34 CM OD; 19.1 CM OVERALL LG; 125 CM CABLE; STANDARD MHV PROBE CONNECTIIONS"