755 System
The 755 is specifically for Hydrogen sulfide; however, it belongs to a class of sensors from Delphian called Common Sensors which have a part prefix of 365
Availability: Commercially Available
| Manufacturer |
| Delphian Corporation |
| Product Name |
| 755 System |
| Detection Category |
| Chemical |
| Detection Principle |
| Sensors; |
| Detection Method |
| Electrochemical Detection ; |
| Application |
| Emergency Response; Gas Analysis; |
| Equipment Type |
| Sensor |
| Product Synopsis |
| The 755 is specifically for Hydrogen sulfide; however, it belongs to a class of sensors from Delphian called Common Sensors which have a part prefix of 365 |
| Availability |
| Commercially Available |
| Technology Readiness Level (TRL) |
| 9 |
| User Feedback Sources |
| Indifferent/No user feedback |
| Dimensions |
| 8 x 6 in (204 x 153 mm) |
| Weight |
| <1 lb.; 0.5 lbs (.23 kg) |
| Transportability |
| Pocket Size |
| Operating Conditions |
| -40 to 40°C, 15 to 90% RH |
| Consumables |
| <$1,000/year; Source could be damaged and sensor cells need replacement |
| Calibration Schedule |
| Yes |
| Suggested Routine Maintenance |
| Minimal |
| Data Analysis Support Equipment |
| Flame Arrestor, Analog and Digital Controllers Available, Controllers require a Flexirack system to house the controller |
| Communications Interface |
| Digital Controller has an output relay Analog Controller has a 4-20 mA output |
| Shelf Life |
| <5 years; 2 years |
| Unit Cost |
| $411.00 |
| Maintenance Cost |
| Electrochemical sensor cells $259 |
| Sample Introduction |
| Vapor/Gas |
| Sensitivity/Detection Limits |
| ppm |
| Known Interferents/Inhibitors |
| Electrochemical cells are vulnerable to organic solvents. |
| Start Up Time (From Cold Start To Sample Ready) |
| Variable, the cell must be biased for a stable output and depending on the temperature could be up to 8 hours. |
| Response Time (Sample Application To Output) |
| <5 minutes; Usually less than 90 seconds to 90% |
| Alarm Capability |
| Yes |
| Software Control |
| Yes, but separately from system |
| Training Required |
| <1 week training |
| Manuals Available |
| Yes |
| Warranties |
| 2 year on system |
