Protege ZM
Protege ZM -2
Protege ZM -3
IR Connect Module
Stationery Test Station
Configuration Software

Protege ZM

Single Gas Detector



The Scott Protégé ZM Single Gas Monitor is an easy-to-use, zero-maintenance gas detection solution that delivers high performance in a small package. The product is available in oxygen, carbon monoxide and hydrogen sulfide models. Once activated, the Protégé ZM monitor does not require charging or calibration and will operate for two years, maintenance and hassle free.


Key Features:

  • Zero maintenance single gas solution
  • Available in hydrogen sulfide, carbon monoxide and oxygen configurations
  • Two year operating life, no charging or calibration required
  • Hydrogen sulfide and carbon monoxide models include hibernate feature to extend battery life
  • Three point alarm system including audible, visual and tactile alarms
  • Customizable LCD display can show operating life remaining, real time gas readings or both
  • User configurable alarm setpoints, bump, and calibration reminders
  • Datalogging capabilities
  • IP 66/67 rated enclosure (3rd party certified)
  • Supported by portfolio of accessories including a 4-bay test station and IR Connect programmer



Dimension9.4 cm H x 5.6 cm W x 3.3 cm D
Weight76 grams
AlarmsVisual Alarm - Red LED
Audible Alarm - 95 db
Vibrating Alarm - Available
DisplayTime Remaining (Default) or Gas Reading (Optional) or Both (Optional), Gas Type, Functional Test Validation, Bump Test Due Indicator, Battery Level
BatteryLithium Ion battery
2 years battery life, Hibernate Mode extends life up to one additional year on CO and H2S models
SensorsCO : 1-300 PPM
H2S : 1-100 PPM
O2 : 1.0-30.0% Volume
OperationOne-hand operation
Carrying AttachmentsStainless Steel Alligator Clip
Case MaterialImpact-absorbant Rubber Overmold
Data LoggingLogs last 25 events
Data RetentionYes - backup to PC
Data TransmissionInfrared
Global ApprovalsIP 66/67 (Third-party Certified)
CE Mark includes both ATEX & EMC testing
ETL/cETL certification to UL 913 7th, CSA C22.2 No. 157 for use in Class I Division 1 & 2, Groups A, B, C and D hazardous areas; IECEx Ex ia IIC T4 Ga; ATEX Directive (94/9/EC) ATEX II 1 G Ex ia IIC T4 Ga
Approved Temperature Ranges-30°C to 50°C (CO)
-40°C to 50°C (H2S)
-50°C to 50°C (O2)
Humidity5 - 95% RH non-condensing