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QRae Plus - 4 Gas Detector from Rae Systems
The QRae Plus is a full featured, compact one to four sensor confined space gas detector. Available sensors include combustible gas, oxygen, hydrogen sulfide, carbon monoxide, sulfur dioxide, nitric oxide, nitrogen dioxide, chlorine, hydrogen cyanide, ammonia and phosphine. Key features include easy to change, externally accessed battery packs (available in both alkaline and rechargeable versions) and a water resistant case. The rechargeable Li-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 computers with Windows 95, 98, 2000 and NT.
Features
- One to four plus in "smart sensors" including combustibles, oxygen, hydrogen sulfide and carbon monoxide
- Optional sensors include sulfur dioxide, nitric oxide, nitrogen dioxide, chlorine, hydrogen cyanide, ammonia and phosphine
- Rechargeable Lithium-Ion battery pack provides up to 20 hours of continuous operation
- Rugged housing withstands use in harsh environments
- Water and dust resistant case
- Strong protective rubber boot
- Highly resistant to radio frequency and other electromagnetic interference
- Strong built in sample draw pump with optional collapsible sample probe
- Available in diffusion configuration
- One button calibration with auto zero capability
- Loud audible alarm
- Bright visual alarm
- Interchangeable Li-Ion and alkaline battery packs
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 dual mode catalytic bead for combustible gases |
| Interchangeable electrochemical sensors for toxic gases (Oxygen not interchangeable) |
| 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 |
Diffusion: Up to 20 hours continuous operation with Li-Ion battery, up to 18 hours with alkaline battery (typical without alarm)
Pump: Up to 16 hours continuous operation with Li-Ion battery, up to 12 hours with alkaline battery (typical without alarm) |
| 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 |
Belt clip on rugged black rubber boot |
| Direct Readout |
Instantaneous values: Oxygen as % by vol, Combustible gas as % of lower explosion limit (LEL), Toxic gases as parts per million |
| High and low values for all gases |
| STEL & TWA values of toxic gases |
| Battery and shut down voltage |
| Date, time, elapsed time, temperature, LEL scale |
| Alarm |
90 dB buzzer and flashing red LED to indicate exceeded preset limits: High - 3 beeps and flashes per second, Low - 2 beeps, vibrations and flashes per second, STEL & TWA - 1 beep, vibrations 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, user selectable three point calibration for oxygen |
| Datalogging |
16,000 points (67 hours at one minute intervals) with serial number of unit, user ID, site number, calibration date |
| IP Rating |
IP-55 protected against dust and low pressure jets of water from all directions |
| Sampling Pump |
Optional internal pump with user selectable flow rate: High - 250 cc/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 |
4.5" L x 3" W x 1.8" H |
| Weight |
16 ounces |
| Warranty |
Lifetime of non consuming components, 2 years for O2, LEL, CO & H2S sensors, 1 year for all other sensors, pump and battery |
Sensor Specifications
| Sensor |
Range |
Resolution |
Response Time |
| Oxygen |
0-30% |
0.1% |
15 seconds |
| Combustible Gas |
0-100% LEL |
1% LEL |
15 seconds |
| Carbon Monoxide |
0-500 ppm |
1 ppm |
20 seconds |
| Hydrogen Sulfide |
0-100 ppm |
1 ppm |
30 seconds |
| Sulfur Dioxide |
0-20 ppm |
0.1 ppm |
15 seconds |
| Nitric Oxide |
0-250 ppm |
1 ppm |
20 seconds |
| Nitrogen Dioxide |
0-20 ppm |
0.1 ppm |
25 seconds |
| Chlorine |
0-10 ppm |
0.1 ppm |
60 seconds |
| Hydrogen Cyanide |
0-100 ppm |
1 ppm |
60 seconds |
| Ammonia |
0-50 ppm |
1 ppm |
150 seconds |
| Phosphine |
0-5 ppm |
0.1 ppm |
60 seconds |
Ordering Information
Each QRae Plus includes datalogger, rechargeable Lithium Ion battery, 120 V AC/DC wall adapter, alkaline battery adapter, calibration adapter, rubber boot with belt clip, training CD-Rom, manual, software and cable, pumped models include water trap filters, inlet probe and water trap adapter. The accessory kit includes a hard transport case with precut foam, Tygon tubing, tool kit, constant flow hand pump (for diffusion models). The Calibration Kit includes a 4 gas, 34L calibration gas cylinder and regulator. Other sensor configurations available. 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 Plus with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor with Datalogger |
028-1112-010 |
| QRae Plus with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor with Datalogger and Accessory Kit |
028-1112-011 |
| QRae Plus with LEL, Oxygen, Carbon Monoxide & Hydrogen Sulfide Sensor with Datalogger, Accessory Kit and Calibration Kit |
028-1112-012 |
 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 Plus multi gas detector literature
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