Spectrex SafEye 300 Series
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Spectrex SafEye 300 Series
SafEye 300 Duct Open Path Detectors were specially designed and are widely used to monitor and alarm against the ingress of hazardous gas concentrations into air intakes of turbine engines and HVAC air ducts. The formation and migration of gas clouds and their possible penetration into safe places, control rooms, turbine engines, etc., is a substantial risk that needs to be addressed.
Users, designers, and safety and operational engineers are increasingly required to provide adequate and fast detection to protect against these hazards.
For duct applications, over a small path across an air inlet, the system is designed to respond with very high sensitivity, the full scale of 1 LEL.m for a 2-6.6 ft. (0.6-2 m) wide inlet.
The SafEye 300 Duct system, due to its special optics design, provides for a misalignment tolerance of 2° in all directions and is protected against false gas readings and alarms which are caused by partial obscuration and blocking, misalignment, vibration, flexing or tilts.
Each SafEye unit is factory-calibrated in a temperature cycle run at the entire operating temperature range. The temperature compensating mechanism allows correct operation in changing and extreme temperatures while maintaining the system’s accuracy. Its internal microprocessor will automatically compensate for low signals with its internal Automatic Gain Control (AGC)
The SafEye 300 Duct system can be factory-calibrated to gas mixtures associated with offshore production, processing, and onshore installations.
Features
- Proven technology
- Cost saving compared to point-type detectors and sampling systems
- Low maintenance
- Aluminium housing
- Fast response time typically 2 seconds, maximum 5 seconds
- 1.5 year warranty
- Standard interface options
- Ex approval
- FM approved
Order Information
OPS-L10-D-F-A SafEye 300 TRANSMITTER including one mount, Duct mount,
FM, and Aluminium housing.
OP-IL-0-D-F-A SafEye 300 RECEIVER includes one mount, short-range
0.6-3.5 m, a duct mount, FM, and aluminium housing.
Accessories
794716 Duct mount.
794247-5 Commissioning kit.
794220-5 Check filter.
794079 USB/RS485 Harness Converter Kit.
888810 HART Handheld Diagnostics Kit (ATEX IS).
TREXCHPKL9S3S AMS Trex Device Communicator.
| General Specifications | |
| Detected Gases | Simultaneous detection of C1-C8 flammable gases |
| Detection Range and Response Time |
Model 301 Distance 2-11.5ft (0.6-3.5m) Response Time Typically 2 sec., max. 5 sec. |
| Immunity to False Alarm | Not influenced by solar radiation, hydrocarbon flames, other external IR radiation sources, high airflows and high loaded streams |
| Spectral Response | 3.0-4.0 µm |
| Sensitivity Range | 0-2.5 LEL.m Standard; 0-1 LEL.m by software |
| Misalignment Tolerance | ±2˚ |
| Drift | Long-term ±5% of full scale |
| Temperature Range | -40˚F (-40˚C) to 185˚F (85˚ C) |
| Electrical Specifications | |
| Power Supply | 24 VDC (18-32 VDC) |
| Power Consumption |
Detector: 200mA @ 24 VDC (250 mA Peak) Source: 250mA @ 24 VDC (450 mA Peak) |
| Electrical Connection | 2 x 3/4” – 14NPT conduits |
| Electrical Input Protection | According to MIL-STD-1275B |
| Electromagnetic Compatibility | EMI/RFI protected CE Marked |
| Outputs | |
| 0-20mA | Maximum load 600Ω at 18-32V DC |
| Sink (source option) configuration |
4-20mA Gas reading 4mA Normal, zero reading 2mA Obscuration/misalignment /beam block 1mA Zero calibration mode 0mA Fault |
| HART Protocol | HART communications on the 0-20mA analog current (FSK)- used for maintenance, configuration changes and asset management |
| RS-485 | The RS-485 input/output provides complete data information to a PC and receives control commands from the PC or handheld unit |
| Mechanical Specifications | |
| Dimensions | 5.2″ (132mm) x 5.2″ (132mm) x max. 4.7″ (120mm) |
| Weight Al. Encl. |
Detector: max 8.7 lb (3.7 kg) Source: max 8.58 lb (3.9 kg) |
| Mechanical Design | The standard detector housing is heavy-duty, copper-free (less than 1%) aluminum. The housing is finished in white epoxy enamel |
| Environmental Standards | Designed to meet MIL-STD-810C for Humidity, Salt & Fog, Vibration, Mechanical shock, High Temp, Low Temp |
| Water and Dust Tight |
IP66 and 67 per EN60529 NEMA 250 6P |
| Hazardous Area Approvals | |
| FM |
Class I, Division 1, Groups B, C and D, Dust Ignition proof for
Class II, Division 1, Groups E, F and G. Performance per Class no. 6325 |
| Reliability | SIL2 per IEC61508 (TUV) |
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