3.Mechanical Description
3.1The Model 55 is housed in a rugged, high impact enclosre. The sliding ON/OFF power switch is located on the left side, the calibration potentiometer is accessible on the right side and the digital display is on the front surface. The top of the monitor and the digital display is on the front surface. The top of the monitor contains the sensor opening, jacks for earphone and remote sensor , the alarm LED and audible alarms. See Figure 1.
3.2Located on the back surface of the monitor are a belt clip and the battery cover.
OXYGEN DEFICIENCY MONITOR | PAGE 3 |
