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QRAE II Diffusion |
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Overview |
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The QRAE II is available as a
diffusion or pumped one-to-four gas
monitor for detection of
combustibles, oxygen, hydrogen
sulfide, carbon monoxide, or sulfur
dioxide. Key features include an
easy-to-change battery pack, a
water-resistant case and a new
state-of-the-art O2 sensor. |
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Key
Features |
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Lead-free design that
complies with RoHS
directive
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Extended life compared
to lead-type
electrochemical oxygen
sensors, resulting in a
low cost of ownership
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Leak-free design,
minimizing downtime
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Best
EMI/RFI immunity
technology for products
in its class,
eliminating radio
interference
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Easy
access to pump, sensors,
filter and battery
compartment without
exposing electronic
components to potential
damage
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IP-65
water- and
dust-resistant case
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Strong,
protective,
concussion-proof design
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Advantages |
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Plug-in
sensors: oxygen,
combustibles, hydrogen
sulfide, carbon monoxide
or sulfur dioxide
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Intuitive
simple-to-operate
two-button user
interface with built-in
pump
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Pump or
diffusion models
available
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Cradle
doubles as an external
battery charger and data
transfer connection
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Rugged
housing
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Large
graphic display for easy
overview of gas type and
concentration
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Rechargeable Lithium-ion
battery pack provides up
to 14 hours of
continuous operation
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Specifications |
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Sensor Specifications (Default) |
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Range |
Resolution |
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Oxygen |
0-30% |
0.1% |
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Combustible |
0-100% LEL |
1% LEL |
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Carbon Monoxide |
0-1000 ppm |
1 ppm |
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Hydrogen Sulfide |
0-100 ppm
0-1000 ppm |
0.1 ppm
1 ppm |
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Sulfur Dioxide |
0.1-100 ppm |
0.1 ppm |
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Detector Specifications
Calibration
Sampling Pump |
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Size |
5" L x 2.8" W x 1.5" H (12.5cm x 7.2cm x 3.8cm) |
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Weight |
9 oz (250 g) |
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Sensors |
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Catalytic bead for combustibles
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Oxygen: SPE O2™ (non-consumable Solid Polymer Electrolyte technology)
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Toxic: electrochemical, H2S, CO or SO2
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Battery |
Interchangeable Lithium-ion and alkaline battery packs |
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Operating Hours |
Up to 14 hours continuous operation with Lithium-ion battery, up to 10 hours with alkaline battery (typical, without alarm) |
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Displays |
4 lines, with LED automatic back light in dim light or alarm condition |
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Keypads |
Two-key operation |
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Direct Readout |
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Instant reading of up to four sensors
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Oxygen as percentage by volume
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Combustible gas as percentage of lower explosive limit (LEL), scaleable using correction factors
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Toxic gases as parts per million
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High and low values for all gases
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Battery and shutdown voltage
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Date, time, elapsed time, temperature
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Alarms |
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95dB buzzer (at 30 cm) and flashing red LED
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High: 3 beeps, vibration and flashes per second
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Low: 2 beeps, vibration and flashes per second
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STEL and TWA: 1 beep, vibration and flash per second
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Alarms: latching with manual override or automatic reset
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Additional diagnostic alarm and display message for low battery
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EM/RFI |
Highly resistant to EMI/RFI. Compliant with EMC directive 2004/108/EC additional +60 volts/meter |
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IP Rating |
IP-65 |
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Data Logging |
Standard 12 days at one-minute intervals |
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Two-point calibration for zero and span |
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Optional, internal pump 300 cc/mn |
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Hazardous Area Approval |
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US and Canada: CI, D1, Groups A, B, C, D, T4
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Europe: ATEX II 2G EEx ia d IIc T4
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IECEX: Ex ia d II C T4
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Temperature |
-4° to 113° F (-20° to 50° C) for T4 temperature code |
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Humidity |
0% to 95% relative humidity (non-condensing) |
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Attachment |
Stainless-steel alligator clip |
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Warranty |
Full 2-year warranty, including all sensors |
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*Specifications are subject to change |
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