PROTÉGÉ ZM
PORTABLE, ZERO-MAINTENANCE, SINGLE-GAS MONITOR
INTRODUCTION
087-0047, Rev. G/December 2019
2-1
2. INTRODUCTION
2.1. Monitor Overview
The Protégé ZM is a portable, single-gas, disposable monitor that operates with a single button and
has a two (2) year life span (typical). It comes ready for use with a lithium-based battery, a filter and
a sensor.
Gas indication is via a direct-reading backlit LCD, multiple bright LEDs, a loud audible alarm and a
vibratory alarm. The monitor includes a downloadable data log for twenty-five (25) events, record
-
ing exposures, calibrations, and gas values.
The Protégé ZM monitors the atmosphere for potentially hazardous levels of gases. Three types
are available: Hydrogen Sulfide (H
2
S), Carbon Monoxide (CO), and Oxygen (O
2
), as detailed in
For any questions about the monitor or its operation, refer to
NOTE: The monitor is supplied with factory default settings. Some settings can be altered
to suit varying applications.
Table 1-1: Monitor Types
Gas
Hibernation Mode Option*
Factory Default Alarm Set
Points**
Oxygen (O
2
)
No
Low = 19.5%
High = 23.5%
Hydrogen Sulfide (H
2
S)
Yes
Low = 10 PPM
High = 15 PPM
Carbon Monoxide (CO)
Yes
Low = 35 PPM
High = 200 PPM
*Hibernation mode fully switches off the monitor to extend battery life.
This can only be performed with the IR Connect software or Test Station.
When a device is hibernated, the event log is cleared.
** Customer may change these set points using IR Connect after delivery.
To display alarm set points, press the monitor’s button.
Monitors may be ordered with custom alarm set points.
