• Range of CH4:
  0 to 10 000 ppm
  0 to 1% vol
  0 to 20% LEL
• Accuracy：20% F.S.
• Visual LED screen & Audible Alarms
• Rugged, accurate, and highly sensitive
• Quick Response Time
• 30cm Flexible probe to reach inaccessible or “impossible” places
• Uses semiconductor sensors with improved sensitivity and extended long life
• Power：4 batteries AAA LR03 1.5 V；20 hours operation