Dräger Catalytic EX Sensors
Designed for use with the Dräger X-AM 7000. A platinum coil is embedded in a ceramic bead. A current flows through the coil heating the pellistor. If the pellistor has the proper catalytic material, then in the presence of flammable gas its temperature will increase. This results in an increased resistance, which can be evaluated electronically. This uses a second pellistor which does not react with the gas of interest. The two pellistors are combined in a Wheatstone bridge. This second pellistor eliminates changes in the ambient temperature.
Availability: Commercially Available
+1 800 437 2437
7256 South Sam Houston Parkway, Suite 100
Houston, TX 77085
USA
|
+49 451 8824
Moislinger Allee 53-59
23562 Lübeck
Germany
|
www.draeger.com
Manufacturer |
| Dräger Safety, Inc. |
Product Name |
| Dräger Catalytic EX Sensors |
Detection Category |
| Chemical |
Detection Principle |
| Sensors |
Detection Method |
| Catalytic Bead Sensor; Pellistor; |
Application |
| Gas Analysis |
Equipment Type |
| Sensor |
Product Synopsis |
| Designed for use with the Dräger X-AM 7000. A platinum coil is embedded in a ceramic bead. A current flows through the coil heating the pellistor. If the pellistor has the proper catalytic material, then in the presence of flammable gas its temperature will increase. This results in an increased resistance, which can be evaluated electronically. This uses a second pellistor which does not react with the gas of interest. The two pellistors are combined in a Wheatstone bridge. This second pellistor eliminates changes in the ambient temperature. |
Availability |
| Commercially Available |
Technology Readiness Level (TRL) |
| 9 |
User Feedback Sources |
| Indifferent/No user feedback |
Dimensions |
| 3.3 x 2.5 x 1.0 in (83.8 x 63.5 x 15.4 mm) |
Weight |
| <1 Lb. |
Power Requirements |
| Lithium Battery; Rechargeable |
Transportability |
| Pocket Size |
Ruggedness |
| Extreme Temperatures/Humidity |
Operating Conditions |
| -20 to 55°C (–4 to 122°F); 10 to 95%RH |
Solvents/Reagents |
| None |
Calibration Schedule |
| Yes |
Available Accessories |
| None |
Data Analysis Support Equipment |
| Various Dräger X-am devices specific models vary with specific sensors so check data sheet for compatibility |
Communications Interface |
| IBM compatible PC: Windows XP, and Windows 7 1 available USB port with appropriate adapters, or combination |
Shelf Life |
| <5 years; 2 years |
Unit Cost |
| $406.00 |
Other Chemical Targets |
| Acetone, ammonia, benzene, 1,3-butadiene, n-butane, n-butyl alcohol, 2-butanone, n-butyl acetate, cyclohexane, cyclopentane, diethyl ether, acetic acid, ethane, ethyl alcohol, ethane, ethene, ethine, ethyl acetate, n-heptane, n-hexane, carbon monoxide, methane, methyl alcohol, n-nonane, n-octane, n-pentane, propane, n-propyl alcohol, i-propyl alcohol, propene, 1,2-propylene oxide, 1,2-propylenoxid, toluene, hydrogen, and xylenes |
Adaptability |
| No; cannot detect or add new targets |
Sample Introduction |
| Vapor/Gas |
Sensitivity/Detection Limits |
| %LEL |
Known Interferents/Inhibitors |
| Several and varied, depending on the sensor. Interferents are listed in specific sensor data sheets, provided with sensor |
Start Up Time (From Cold Start To Sample Ready) |
| Up to 18 hours |
Response Time (Sample Application To Output) |
| <1 minute |
Alarm Capability |
| Audible, Visual and vibrational |
Software Control |
| Communication accessories: Dräger CC-Vision/Pac-Vision Printer Set for Dräger Bump Test Station |
Other Operational Parameters |
| Dräger Bump Test Station |
Training Required |
| <1 week training |
Training Available |
| Yes |
Manuals Available |
| Yes |
Reachback Service |
| No |
Warranties |
| 2 years |