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QRAE II Diffusion
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Key Features
Patented SPE O2™ Oxygen sensor unique 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
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
Advantages
Plug-in sensors: oxygen, combustibles, hydrogen sulfide, carbon monoxide or sulfur dioxide
Intuitive simple-to-operate two-button user interface with built-in pump
Pump or diffusion models available
Cradle doubles as an external battery charger and data transfer connection
Rugged housing
Large graphic display for easy overview of gas type and concentration
Rechargeable Lithium-ion battery pack provides up to 14 hours of continuous operation
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Specifications
Sensor Specifications (Default)
| Gas Monitor |
Range |
Resolution |
| Oxygen |
0-30% |
0.1% |
| Combustible |
0-100% LEL |
1% LEL |
| Carbon Monoxide |
0-1000 ppm |
1 ppm |
| Hydrogen Sulfide |
0-100 ppm
0-1000 ppm |
0.1 ppm
1 ppm |
| Sulfur Dioxide |
0.1-100 ppm |
0.1 ppm |
*Consult RAE Systems for custom configurations.
Detector Specifications
Calibration
Sampling Pump
| Size |
5" L x 2.8" W x 2" H (12.5cm x 7.2cm x 5.0cm) |
| Weight |
12 oz (350 g) |
| Sensors |
- Catalytic bead for combustibles
- Oxygen: SPE O2™ (non-consumable Solid Polymer
Electrolyte technology)
- Toxic: electrochemical, H2S, CO or SO2
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| Battery |
Interchangeable Lithium-ion and alkaline battery packs |
| Operating Hours |
Up to 10 hours with Lithium-ion battery, up to 8 hours with alkaline battery |
| Displays |
4 lines, with LED automatic back light in dim light or alarm condition |
| Keypads |
Two-key operation |
| Direct Readout |
- Instant reading of up to four sensors
- Oxygen as percentage by volume
- Combustible gas as percentage of lower explosive limit (LEL), scaleable using correction factors
- Toxic gases as parts per million
- High and low values for all gases
- Battery and shutdown voltage
- Date, time, elapsed time, temperature
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| Alarms |
- 95dB buzzer (at 30 cm) and flashing red LED
- High: 3 beeps, vibration and flashes per second
- Low: 2 beeps, vibration and flashes per second
- STEL and TWA: 1 beep, vibration and flash per second
- Alarms: latching with manual override or automatic reset
- 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 |
| IP Rating |
IP-65 |
| Data Logging |
Standard 12 days at one-minute intervals |
Calibration
Two-point calibration for zero and span |
Sampling Pump
| Optional, internal pump 300 cc/mn |
| Hazardous Area Approval |
- US and Canada: CI, D1, Groups A, B, C, D, T4
- Europe: ATEX II 2G EEx ia d IIc T4
- IECEX: Ex ia d II C T4
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| Temperature |
-4° to 113° F (-20° to 50° C) for T4 temperature code |
| Humidity |
0% to 95% relative humidity (non-condensing) |
| Attachment |
Stainless-steel alligator clip |
| Warranty |
Full 2-year warranty, including all sensors |
Click here to view datasheet details on the QRAE II Diffusion model.
*Specifications are subject to change. |
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