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QRae - 4 Gas Detector for Confined Space Entry
The QRae is a dedicated confined space entry monitor with an internal pump. Its durable, rechargeable standard Li-ion battery provides a 12 hour day of detecting combustibles, oxygen, hydrogen sulfide and carbon monoxide. The extended duration Li-Ion battery provides up to 18 hours of continuous operation.
Features
- Reliable plug in "smart" combustibles, oxygen, hydrogen sulfide and carbon monoxide sensors
- Strong protective rubber boot
- Water and dust resistant
- Rugged ABS plastic/metal case
- Protects from interference by portable radios
- One button calibration with auto zero capability
- Sample flow rate at 150 cc/min
- Patented security mechanism warns of sample tube crimping or blockage
- Prevents liquid flow into monitor with optional collapsible sample probe
- Option of alkaline, Li-Ion and automotive 12V adapter charger
- Field replaceable batteries
- Unit will run and charge simultaneously
- Large keys operable with three layers of gloves
- Loud audible alarm
- Bright visual alarm
- Standard 20,000 point datalogging storage capacity for download to PC compatible with Windows 95, 98, 2000 and NT
Applications
- Confined Space Entry including waste water treatment plants, marine and off shore oil wells, landfill operations, trenches, silos, railcars, coal mines, cruise ships, sewers and manholes and tunnels
- Refineries and petrochemical plants including offshore drilling and plant shut downs
- Power plants
- Pump and paper industry
- Steel mills
Specifications
| Detector |
Protected catalytic bead for combustible gases |
| Electrochemical sensors for oxygen and toxic gases |
| Battery |
Interchangeable Li-Ion and alkaline battery packs, rechargeable units include Li-Ion battery pack with internal smart charging, 120V AC/DC wall adapter and spare alkaline battery pack |
| Operating Hours |
12 hours continuous operation (typical), extended Li-Ion battery produce 18 hours continuous operation (typical). Unit will run and charge simultaneously (not recommended for hazardous locations) |
| Display |
2 line, 16 digit LCD with LED back light automatically in dim light or alarm condition |
| Key Pads |
1 operation key and 2 programming keys |
| Attachment |
Wrist strap and high visible boot |
| Direct Readout |
Instantaneous values: Oxygen as % by vol, Combustible gas as % of lower explosion limit (LEL), Toxic gases as parts per million by volume |
| High and low values for all gases |
| STEL & TWA values of toxic gases |
| Battery and shut down voltage |
| Date, time, elapsed time, temperature |
| Alarm |
90 dB buzzer and flashing red LED to indicate exceeded preset limits: High - 3 beeps and flashes per second, Low - 2 beeps and flashes per second, STEL & TWA - 1 beep and flash per second |
| Alarms latching with manual override or automatic reset |
| Additional diagnostic alarm and display message for low battery and pump stall |
| Calibration |
Two point field calibration for zero and span gas |
| Datalogging |
Standard 20,000 points (100 hours, 4 channels at one minute intervals) down load to PC with serial number of unit, user ID, site number, calibration date |
| Sampling Pump |
Optional internal pump, user selectable flow rate. High - 250cc/min, Low - 150 cc/min |
| Low Flow Alarm |
Auto shut off pump at low flow condition |
| Temperature |
-4° to 113°F |
| Humidity |
0 to 95% relative humidity (non-condensing) |
| Intrinsic Safety |
UL & cUL Class I, Division I, Group A, B, C, D, T3C |
| Size |
4.65" L x 3" W x 1.9" H |
| Weight |
16 ounces |
| Warranty |
Lifetime on non consuming components, 2 years for O2, LEL, CO & H2S sensors, 1 year for pump and battery |
Sensor Specifications
| Sensor |
Range |
Resolution |
Response Time |
| Oxygen |
0-30% |
0.1% |
15 seconds |
| Combustible Gas |
0-100% LEL |
1% |
15 seconds |
| Carbon Monoxide |
0-500 ppm |
1 ppm |
20 seconds |
| Hydrogen Sulfide |
0-100 ppm |
1 ppm |
30 seconds |
Ordering Information
Each QRae includes datalogger, rechargeable Li-Ion battery, 120 V AC/DC wall adapter, alkaline battery adapter, calibration adapter, inlet probe, filters, rubber boot with belt clip, manual, software and cable. The confined space entry kit includes a hard transport case with precut foam, tubing, tool kit, 4 gas 34L calibration gas cylinder and regulator. For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com
| Description |
Catalog No. |
| QRae Multi Gas Detector with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor |
027-0000-010 |
| QRae Multi Gas Detector with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor with Confined Space Entry Kit |
027-0000-011 |
| QRae with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor and Extended Li-Ion Battery, ATEX Wall Adapter |
027-0000-110-ATX
|
| QRae Multi Gas Detector with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor with Confined Space Entry Kit and Extended Li-Ion Battery, ATEX Wall Adapter |
027-0000-111-ATX
|
Downloads
 Sensor Specifications and Cross Sensitivities
Defining the Interval between Calibration Checks
Guide to Atmospheric Testing in a Confined Space
Confined Spaces and the Construction Industry
Carbon Monoxide & Natural Gas Detection for Fire Department Engine Companies
QRae Multi Gas Detector literature
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