Overview

The QRAE Plus is a full-featured, compact, one-to-four sensor confined space gas detector. Its features include easy-to-change, externally accessed battery packs (available in both alkaline and rechargeable versions) and water-resistant case design.

The rechargeable, Lithium-ion battery pack provides up to 20 hours of continuous operation.

The QRAE Plus includes 16,000 datalogging points of storage capacity for download to PC compatible with Windows 98, NT, 2000, and XP.

Available Sensors Include:

%Vol/LEL
LEL Combustible Gas Sensor
H2S Hydrogen Sulphide sensor
CO Carbon Monoxide sensor
SO2 Sulphur Dioxide sensor
NO Nitric Oxide sensor
NO2 Nitrogen Disoide sensor
Cl2 Chlorine sensor
HCN Hydrogen Cyanide sensor
NH3 Ammonia sensor
PH3 Phosphine sensor

Features & Benefits

Rechargeable Lithium-ion battery pack provides up to 20 hours of continuous operation
Rugged housing withstands use in harsh environments
Highly resistant to radio frequency and other electromagnetic interference
Strong, built-in sample draw pump with optional collapsible sample probe
One-button calibration with auto-zero capability
Loud audible alarm
Bright visual alarm

Applications

Confined Space Entry
Waste water treatment plants
Marine and off-shore oil wells
Landfill operations
Trenches, silos, railcars
Coal mines
Cruise ships
Sewers and manholes
Tunnels
Refineries and petrochemical plants, including off-shore drilling and plant shut downs
Power plants
Pulp and paper industry
Steel mills

Downloads

QRAE Plus: Product Brochure (695 KB)
QRAE Plus: User Training (943 KB)
QRAE Plus: User Manual (254 KB)
Technical Note: Guide to Confined Space Entry (225 KB)
Technical Note: LEL Sensor Correction Factors (75 KB)
Technical Note: Exporting Data to Excel (50 KB)

Technical Specifications

Gas Sensor	Range	Resolution
Oxygen	0 – 30%	0.1%
Combustible	0 – 100% LEL	1% LEL
Carbon Monoxide	0 – 500ppm	1ppm
Hydrogen Sulfide	0 – 100ppm	1ppm
Sulfur Dioxide	0 – 20ppm	0.1ppm
Nitric Oxide	0 – 250ppm	1ppm
Nitrogen Dioxide	0 – 20ppm	0.1ppm
Chlorine	0 – 10ppm	0.1ppm
Hydrogen Cyanide	0 – 100ppm	1ppm
Ammonia	0 – 50ppm	1ppm
Phosphine	0 - 5ppm	0.1ppm