Environmental Monitoring Equipment & Supplies • Sales, Rental & Service by Enviro-Equipment — Charlotte, North Carolina USA

Scott Protege Multi-Gas Meter
  • Simultaneously measures up to four gases.
  • Available gases include oxygen, combustibles, carbon monoxide and hydrogen sulfide.
  • Downloadable data log for up to 7,000 events.
  • Automatic zero-calibration and easy bump test.

Protege Monitor Kits: Includes gas monitor, charger, torx tool, manual, CD with PC Software, USB cable and calibration adapter.

Confined Space Kits: Includes all of the items from Monitor Kits and adds: pump, probe, tubing and calibration kit in a foam lined carry case.

This item is no longer available.

The Protégé is a personal multi-gas monitor designed to monitor potentially hazardous levels of combustible gases, oxygen enrichment or depletion, carbon monoxide, and hydrogen sulfide. Simple, intuitive user operation enables operators to focus on the situation rather than equipment.

The Protégé is designed with automated maintenance features to reduce cost and time associated with training and maintenance. Protégé software allows users to set parameters that are specific for their workplace, and has significant data logging capabilities.

  • Easy to use with one button turn on, easy calibration and functional self-testing
  • Tough, robust construction meets all global regulatory requirements
  • Easy to maintain with automatic zero and span calibrations and simple sensor replacement
  • Enhanced user ergonomics with unique hourglass design to fit all hand sizes
  • Records STEL/TWA alarms, calibrations and gas values with date and time stamps
  • Lightweight: only 7.5 oz.
  • Glove-tested one-hand operation
  • Continuous readout of gas concentrations
  • Audible, visible and tactile alarms
  • Downloadable data log for up to 7,000 events
  • Automatic zero calibration
  • IP67 rated



Response Time

Hydrogen Sulfide (H2S)

0 to 500 ppm

T90 < 30 sec

Carbon Monoxide (CO)

0 to 999 ppm

T90 < 250 sec

Oxygen (O2)

0.0 to 25.0%

T95 = 15 sec

Combustibles (LEL)

0 to 80% LEL; 0 to 5.0% v/v Gas

T50 = 10 sec; T90 = 30 sec

Nominal Voltage



Automatic Calibration and Zero


Lithium ion rechargeable, ~ 5 hours charge time

Battery life

18 hrs no pump, 12 hrs with pump


  • Audible: 90dB at 6"
  • Visual: Widge-angle dual alarm bars
  • Tactile

Data Log

Up to 7000 events


ABS/Rubber over mold


3.26Hx2.76Wx1.16"D (8.28Hx7.01Wx2.95cmD)


7.5oz (233.28g)

Operating Temperature

-4.0 to +122° F (-20 to +50° C)

Operating Humidity

0 to 90% RH, Non-Condensing


EMC 89/336/EEC compliant