Two easy to use personal monitors. Both models measure two gases. They are battery operated and lightweight.
For safety check before working in underground construction site in the tank, manhole and tunnel etc.
For safety of site workers.
Features
Can be used continuously for 5000 hours.
3 types of Alarm: loud buzzer, alarm lamp and vibration.
Thin, lightweight design.
Available with TWA (Time Weighted Average) gas concentration display, memory of peak value, and peak hold function
1 x AAA alkaline dry cell, 1 x safety pin adaptor (with fixing screw)