Key Specifications/Special Features:

Keyboard input interface
Colorized LCD indication
Anti-return and sterilized mouthpieces
2,000 pieces record memory
Password management
Changeable sensor module
Real-time and temperature indication
Printer and computer communication
CE and RoHS approval
Sensor: full cell gas sensor
Power: 4 AA batteries
Detection range: 0.000 to 2.500mg/L
Accuracy: 0.025mg/L