SE-MONITOR4
Monitor 4 & 4EC
Geiger-Mueller tube | 3 ranges: 0–0.5/5/50 mR/hr & 0–500/5,000/50,000 CPM | ±15% accuracy (±10% NIST cal) | 9V alkaline battery ~2,000 hr | -10°C to +50°C operating range
Price on quote · 4 business hours