The QRAE II is a full-featured, compact, one- to four-sensor
gas detector for oxygen, combustibles, hydrogen sulfide,
carbon monoxide or sulfur dioxide. Key features include
easy-to-change battery pack, a water-resistant case and a
new state-of-the-art O2 sensor.
Key Features
 Patented SPE O2™ Oxygen sensor
unique features: Lead-free design that complies with RoHS directive, Extended life compared to
lead-type electrochemical oxygen sensors, resulting in low cost of ownership and Leak-free design, minimizing
downtime
Best EMI/RFI immunity technology
for products in its class, eliminating
radio interference
Easy access to pump, sensors, filter and
battery compartment without exposing
electronic components to potential
damage
IP-65 water- and dust-resistant case
Strong, protective, concussion-proof
design
Data Sheet
Manual
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Additional Features
Plug-in sensors: oxygen, combustibles,
hydrogen sulfide, carbon monoxide or
sulfur dioxide
Intuitive simple-to-operate two-button
user interface with built-in pump
Display can be flipped 180°
with the push of a button
for easy viewing from belt
or hand
Multi-language support
One-button calibration
with auto-zero capability
Loud 95dB audible alarm
Bright, red flashing visible
alarm
Vibration alarm
Interchangeable drop-in
Lithium-ion and alkaline
battery packs
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